diff --git a/@types/modemtalk.d.ts b/@types/modemtalk.d.ts
new file mode 100644
index 00000000..49e36184
--- /dev/null
+++ b/@types/modemtalk.d.ts
@@ -0,0 +1 @@
+declare module '@bifravst/modemtalk'
diff --git a/cli/bifravst.ts b/cli/bifravst.ts
index 6d5c2d0a..d9acbb8c 100644
--- a/cli/bifravst.ts
+++ b/cli/bifravst.ts
@@ -11,6 +11,7 @@ import { reactConfigCommand } from './commands/react-config'
 import { infoCommand } from './commands/info'
 import { registerCaCommand } from './commands/register-ca'
 import { historicalDataCommand } from './commands/historical-data'
+import { flashCertificate } from './commands/flash-cert'
 
 const stackId = process.env.STACK_ID || 'bifravst'
 const region = process.env.AWS_DEFAULT_REGION || ''
@@ -58,6 +59,7 @@ const bifravstCLI = async () => {
 
 	const commands = [
 		registerCaCommand({ stackId, certsDir, region }),
+		flashCertificate({ certsDir }),
 		generateCertCommand({ endpoint }),
 		connectCommand({ endpoint, deviceUiUrl, certsDir }),
 		reactConfigCommand({ stackId, region }),
diff --git a/cli/commands/flash-cert.ts b/cli/commands/flash-cert.ts
new file mode 100644
index 00000000..f7e2964a
--- /dev/null
+++ b/cli/commands/flash-cert.ts
@@ -0,0 +1,84 @@
+import { ComandDefinition } from './CommandDefinition'
+import { ModemPort } from '@bifravst/modemtalk'
+import chalk from 'chalk'
+import { deviceFileLocations } from '../jitp/deviceFileLocations'
+import { promises as fs } from 'fs'
+import * as path from 'path'
+
+export const flashCertificate = ({
+	certsDir,
+}: {
+	certsDir: string
+}): ComandDefinition => ({
+	command: 'flash <deviceId>',
+	options: [
+		{
+			flags: '-p, --port <port>',
+			description: 'Serial port, defaults to /dev/ttyACM0',
+		},
+		{
+			flags: '-t, --sectag <secTag>',
+			description: 'sec tag, defaults to 42',
+		},
+	],
+	action: async (
+		deviceId: string,
+		{ port, secTag }: { port?: string; secTag?: string },
+	) => {
+		const deviceFiles = deviceFileLocations({ certsDir, deviceId })
+		const PORT = port || '/dev/ttyACM0'
+		const SEC_TAG = parseInt(secTag || '', 10) || 42
+		const device = new ModemPort(PORT, {
+			writeCallback: (data: string) => {
+				console.log(chalk.magenta(data.trim()))
+			},
+		})
+
+		device.on('event', (...args: any) => {
+			console.log('even', JSON.stringify(args))
+		})
+		device.on('error', (err: Error) => {
+			console.error(chalk.red(`Serial port error: ${err.message}`))
+		})
+		device.on('disconnect', () => {
+			console.log(chalk.magenta('Serial port has been disconnected'))
+		})
+		device.on('rx', (data: string) => {
+			console.debug(chalk.grey.bold('device <<'), chalk.grey(data.trim()))
+		})
+
+		await device.open()
+
+		const [caCert, clientCert, privateKey] = await Promise.all([
+			fs.readFile(
+				path.join(process.cwd(), 'data', 'AmazonRootCA1.pem'),
+				'utf-8',
+			),
+			fs.readFile(deviceFiles.certWithCA, 'utf-8'),
+			fs.readFile(deviceFiles.key, 'utf-8'),
+		])
+
+		console.log(chalk.yellow('Port:'), chalk.cyan(PORT))
+		console.log(chalk.yellow('SecTag:'), chalk.cyan(`${SEC_TAG}`))
+
+		await device.writeAT('+CGSN', {
+			timeout: 2000,
+		})
+		// FIXME: How to read the response?
+
+		console.log(chalk.cyan('Turning off modem'))
+		await device.writeAT('+CFUN=4', {
+			timeout: 2000,
+		})
+
+		console.log(chalk.cyan('Writing credentials'))
+		await device.writeTLSCredential(SEC_TAG, 0, caCert) // CA certificate
+		await device.writeTLSCredential(SEC_TAG, 1, clientCert) // client certificate
+		await device.writeTLSCredential(SEC_TAG, 2, privateKey) // private key
+
+		await device.close()
+
+		console.log(chalk.yellow('Done. Restart the device now.'))
+	},
+	help: 'Flash the certificate onto the device',
+})
diff --git a/package-lock.json b/package-lock.json
index 73c002c7..ca9db640 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -972,6 +972,15 @@
         "prettier": "^1.18.0"
       }
     },
+    "@bifravst/modemtalk": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/@bifravst/modemtalk/-/modemtalk-1.0.0.tgz",
+      "integrity": "sha512-0RwQ4q1yBQuzPqqo34hl252+aZm2u3cJ6vm2q/I/P4N0OS0vFXrg+3es5cODthaXQZKURvPOgSeHNOEY6R92Sw==",
+      "requires": {
+        "mcc-mnc-list": "^1.0.82",
+        "serialport": "^7.1.5"
+      }
+    },
     "@bifravst/random-words": {
       "version": "3.0.0",
       "resolved": "https://registry.npmjs.org/@bifravst/random-words/-/random-words-3.0.0.tgz",
@@ -2211,6 +2220,78 @@
         }
       }
     },
+    "@serialport/binding-abstract": {
+      "version": "2.0.5",
+      "resolved": "https://registry.npmjs.org/@serialport/binding-abstract/-/binding-abstract-2.0.5.tgz",
+      "integrity": "sha512-oRg0QRsXJFKHQbQjmo0regKLZ9JhjLmTqc47ocJgYM5UtU9Q1VFrVPh0B2lr2pfm/tr3aNvTLX1eiVAvXyZ/bg==",
+      "requires": {
+        "debug": "^4.1.1"
+      }
+    },
+    "@serialport/binding-mock": {
+      "version": "2.0.5",
+      "resolved": "https://registry.npmjs.org/@serialport/binding-mock/-/binding-mock-2.0.5.tgz",
+      "integrity": "sha512-1kD1qI686pIIolGZ6TPjAtvy8c3XIUlE4OXRZf7ZHaZgGaOUHAUMLKZt4tNTxsfedRTFyiYyHoe5QAbx82R9pQ==",
+      "requires": {
+        "@serialport/binding-abstract": "^2.0.5",
+        "debug": "^4.1.1"
+      }
+    },
+    "@serialport/bindings": {
+      "version": "2.0.8",
+      "resolved": "https://registry.npmjs.org/@serialport/bindings/-/bindings-2.0.8.tgz",
+      "integrity": "sha512-paKLa9JkoH5FAy2sATTdXLCiKpuKn0pN15/etcCqzX8vi25fnQgJ8Yx9Z6zdbcKe1No7s/9PuH9yfjDR61fbOQ==",
+      "requires": {
+        "@serialport/binding-abstract": "^2.0.5",
+        "@serialport/parser-readline": "^2.0.2",
+        "bindings": "^1.3.0",
+        "debug": "^4.1.1",
+        "nan": "^2.13.2",
+        "prebuild-install": "^5.2.1"
+      }
+    },
+    "@serialport/parser-byte-length": {
+      "version": "2.0.2",
+      "resolved": "https://registry.npmjs.org/@serialport/parser-byte-length/-/parser-byte-length-2.0.2.tgz",
+      "integrity": "sha512-cUOprk1uRLucCJy6m+wAM4pwdBaB5D4ySi6juwRScP9DTjKUvGWYj5jzuqvftFBvYFmFza89aLj5K23xiiqj7Q=="
+    },
+    "@serialport/parser-cctalk": {
+      "version": "2.0.2",
+      "resolved": "https://registry.npmjs.org/@serialport/parser-cctalk/-/parser-cctalk-2.0.2.tgz",
+      "integrity": "sha512-5LMysRv7De+TeeoKzi4+sgouD4tqZEAn1agAVevw+7ILM0m30i1zgZLtchgxtCH7OoQRAkENEVEPc0OwhghKgw=="
+    },
+    "@serialport/parser-delimiter": {
+      "version": "2.0.2",
+      "resolved": "https://registry.npmjs.org/@serialport/parser-delimiter/-/parser-delimiter-2.0.2.tgz",
+      "integrity": "sha512-zB02LahFfyZmJqak9l37vP/F1K+KCUxd1KQj35OhD1+0q/unMjVTZmsfkxFSM4gkaxP9j7+8USk+LQJ3V8U26Q=="
+    },
+    "@serialport/parser-readline": {
+      "version": "2.0.2",
+      "resolved": "https://registry.npmjs.org/@serialport/parser-readline/-/parser-readline-2.0.2.tgz",
+      "integrity": "sha512-thL26dGEHB+eINNydJmzcLLhiqcBQkF+wNTbRaYblTP/6dm7JsfjYSud7bTkN63AgE0xpe9tKXBFqc8zgJ1VKg==",
+      "requires": {
+        "@serialport/parser-delimiter": "^2.0.2"
+      }
+    },
+    "@serialport/parser-ready": {
+      "version": "2.0.2",
+      "resolved": "https://registry.npmjs.org/@serialport/parser-ready/-/parser-ready-2.0.2.tgz",
+      "integrity": "sha512-6ynQ+HIIkFQcEO2Hrq4Qmdz+hlJ7kjTHGQ1E7SRN7f70nnys1v3HSke8mjK3RzVw+SwL0rBYjftUdCTrU+7c+Q=="
+    },
+    "@serialport/parser-regex": {
+      "version": "2.0.2",
+      "resolved": "https://registry.npmjs.org/@serialport/parser-regex/-/parser-regex-2.0.2.tgz",
+      "integrity": "sha512-7qjYd7AdHUK8fJOmHpXlMRipqRCVMMyDFyf/5TQQiOt6q+BiFjLOtSpVXhakHwgnXanzDYKeRSB8zM0pZZg+LA=="
+    },
+    "@serialport/stream": {
+      "version": "2.0.5",
+      "resolved": "https://registry.npmjs.org/@serialport/stream/-/stream-2.0.5.tgz",
+      "integrity": "sha512-9gc3zPoAqs/04mvq8TdZ7GxtnacCDuw3/u0u18UXXHgC/5tNDYkY+hXFIJB1fQFnP5yyNB1L2XLfX974ySJg9Q==",
+      "requires": {
+        "@serialport/binding-mock": "^2.0.5",
+        "debug": "^4.1.1"
+      }
+    },
     "@types/aws-iot-device-sdk": {
       "version": "2.2.0",
       "resolved": "https://registry.npmjs.org/@types/aws-iot-device-sdk/-/aws-iot-device-sdk-2.2.0.tgz",
@@ -2846,8 +2927,7 @@
     "ansi-regex": {
       "version": "2.1.1",
       "resolved": "https://registry.npmjs.org/ansi-regex/-/ansi-regex-2.1.1.tgz",
-      "integrity": "sha1-w7M6te42DYbg5ijwRorn7yfWVN8=",
-      "dev": true
+      "integrity": "sha1-w7M6te42DYbg5ijwRorn7yfWVN8="
     },
     "ansi-styles": {
       "version": "3.2.1",
@@ -3017,8 +3097,7 @@
     "aproba": {
       "version": "1.2.0",
       "resolved": "https://registry.npmjs.org/aproba/-/aproba-1.2.0.tgz",
-      "integrity": "sha512-Y9J6ZjXtoYh8RnXVCMOU/ttDmk1aBjunq9vO0ta5x85WDQiQfUF9sIPBITdbiiIVcBo03Hi3jMxigBtsddlXRw==",
-      "dev": true
+      "integrity": "sha512-Y9J6ZjXtoYh8RnXVCMOU/ttDmk1aBjunq9vO0ta5x85WDQiQfUF9sIPBITdbiiIVcBo03Hi3jMxigBtsddlXRw=="
     },
     "archiver": {
       "version": "3.1.1",
@@ -3072,6 +3151,15 @@
       "integrity": "sha1-+cjBN1fMHde8N5rHeyxipcKGjEA=",
       "dev": true
     },
+    "are-we-there-yet": {
+      "version": "1.1.5",
+      "resolved": "https://registry.npmjs.org/are-we-there-yet/-/are-we-there-yet-1.1.5.tgz",
+      "integrity": "sha512-5hYdAkZlcG8tOLujVDTgCT+uPX0VnpAH28gWsLfzpXYm7wP6mp5Q/gYyR7YQ0cKVJcXJnl3j2kpBan13PtQf6w==",
+      "requires": {
+        "delegates": "^1.0.0",
+        "readable-stream": "^2.0.6"
+      }
+    },
     "argparse": {
       "version": "1.0.10",
       "resolved": "https://registry.npmjs.org/argparse/-/argparse-1.0.10.tgz",
@@ -3701,6 +3789,14 @@
       "integrity": "sha512-Un7MIEDdUC5gNpcGDV97op1Ywk748MpHcFTHoYs6qnj1Z3j7I53VG3nwZhKzoBZmbdRNnb6WRdFlwl7tSDuZGw==",
       "dev": true
     },
+    "bindings": {
+      "version": "1.5.0",
+      "resolved": "https://registry.npmjs.org/bindings/-/bindings-1.5.0.tgz",
+      "integrity": "sha512-p2q/t/mhvuOj/UeLlV6566GD/guowlr0hHxClI0W9m7MWYkL1F0hLo+0Aexs9HSPCtR1SXQ0TD3MMKrXZajbiQ==",
+      "requires": {
+        "file-uri-to-path": "1.0.0"
+      }
+    },
     "bl": {
       "version": "1.2.2",
       "resolved": "https://registry.npmjs.org/bl/-/bl-1.2.2.tgz",
@@ -3880,6 +3976,20 @@
         "ieee754": "^1.1.4"
       }
     },
+    "buffer-alloc": {
+      "version": "1.2.0",
+      "resolved": "https://registry.npmjs.org/buffer-alloc/-/buffer-alloc-1.2.0.tgz",
+      "integrity": "sha512-CFsHQgjtW1UChdXgbyJGtnm+O/uLQeZdtbDo8mfUgYXCHSM1wgrVxXm6bSyrUuErEb+4sYVGCzASBRot7zyrow==",
+      "requires": {
+        "buffer-alloc-unsafe": "^1.1.0",
+        "buffer-fill": "^1.0.0"
+      }
+    },
+    "buffer-alloc-unsafe": {
+      "version": "1.1.0",
+      "resolved": "https://registry.npmjs.org/buffer-alloc-unsafe/-/buffer-alloc-unsafe-1.1.0.tgz",
+      "integrity": "sha512-TEM2iMIEQdJ2yjPJoSIsldnleVaAk1oW3DBVUykyOLsEsFmEc9kn+SFFPz+gl54KQNxlDnAwCXosOS9Okx2xAg=="
+    },
     "buffer-crc32": {
       "version": "0.2.13",
       "resolved": "https://registry.npmjs.org/buffer-crc32/-/buffer-crc32-0.2.13.tgz",
@@ -3892,6 +4002,11 @@
       "integrity": "sha1-WWFrSYME1Var1GaWayLu2j7KX74=",
       "dev": true
     },
+    "buffer-fill": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/buffer-fill/-/buffer-fill-1.0.0.tgz",
+      "integrity": "sha1-+PeLdniYiO858gXNY39o5wISKyw="
+    },
     "buffer-from": {
       "version": "1.1.1",
       "resolved": "https://registry.npmjs.org/buffer-from/-/buffer-from-1.1.1.tgz",
@@ -4390,8 +4505,7 @@
     "chownr": {
       "version": "1.1.2",
       "resolved": "https://registry.npmjs.org/chownr/-/chownr-1.1.2.tgz",
-      "integrity": "sha512-GkfeAQh+QNy3wquu9oIZr6SS5x7wGdSgNQvD10X3r+AZr1Oys22HW8kAmDMvNg2+Dm0TeGaEuO8gFwdBXxwO8A==",
-      "dev": true
+      "integrity": "sha512-GkfeAQh+QNy3wquu9oIZr6SS5x7wGdSgNQvD10X3r+AZr1Oys22HW8kAmDMvNg2+Dm0TeGaEuO8gFwdBXxwO8A=="
     },
     "chrome-trace-event": {
       "version": "1.0.2",
@@ -4592,8 +4706,7 @@
     "code-point-at": {
       "version": "1.1.0",
       "resolved": "https://registry.npmjs.org/code-point-at/-/code-point-at-1.1.0.tgz",
-      "integrity": "sha1-DQcLTQQ6W+ozovGkDi7bPZpMz3c=",
-      "dev": true
+      "integrity": "sha1-DQcLTQQ6W+ozovGkDi7bPZpMz3c="
     },
     "collection-map": {
       "version": "1.0.0",
@@ -4729,6 +4842,11 @@
         "date-now": "^0.1.4"
       }
     },
+    "console-control-strings": {
+      "version": "1.1.0",
+      "resolved": "https://registry.npmjs.org/console-control-strings/-/console-control-strings-1.1.0.tgz",
+      "integrity": "sha1-PXz0Rk22RG6mRL9LOVB/mFEAjo4="
+    },
     "constant-case": {
       "version": "2.0.0",
       "resolved": "https://registry.npmjs.org/constant-case/-/constant-case-2.0.0.tgz",
@@ -5181,7 +5299,6 @@
       "version": "4.1.1",
       "resolved": "https://registry.npmjs.org/debug/-/debug-4.1.1.tgz",
       "integrity": "sha512-pYAIzeRo8J6KPEaJ0VWOh5Pzkbw/RetuzehGM7QRRX5he4fPHx2rdKMB256ehJCkX+XRQm16eZLqLNS8RSZXZw==",
-      "dev": true,
       "requires": {
         "ms": "^2.1.1"
       }
@@ -5216,6 +5333,14 @@
       "integrity": "sha1-6zkTMzRYd1y4TNGh+uBiEGu4dUU=",
       "dev": true
     },
+    "decompress-response": {
+      "version": "3.3.0",
+      "resolved": "https://registry.npmjs.org/decompress-response/-/decompress-response-3.3.0.tgz",
+      "integrity": "sha1-gKTdMjdIOEv6JICDYirt7Jgq3/M=",
+      "requires": {
+        "mimic-response": "^1.0.0"
+      }
+    },
     "dedent": {
       "version": "0.7.0",
       "resolved": "https://registry.npmjs.org/dedent/-/dedent-0.7.0.tgz",
@@ -5225,8 +5350,7 @@
     "deep-extend": {
       "version": "0.6.0",
       "resolved": "https://registry.npmjs.org/deep-extend/-/deep-extend-0.6.0.tgz",
-      "integrity": "sha512-LOHxIOaPYdHlJRtCQfDIVZtfw/ufM8+rVj649RIHzcm/vGwQRXFt6OPqIFWsm2XEMrNIEtWR64sY1LEKD2vAOA==",
-      "dev": true
+      "integrity": "sha512-LOHxIOaPYdHlJRtCQfDIVZtfw/ufM8+rVj649RIHzcm/vGwQRXFt6OPqIFWsm2XEMrNIEtWR64sY1LEKD2vAOA=="
     },
     "deep-is": {
       "version": "0.1.3",
@@ -5351,6 +5475,11 @@
       "integrity": "sha1-3zrhmayt+31ECqrgsp4icrJOxhk=",
       "dev": true
     },
+    "delegates": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/delegates/-/delegates-1.0.0.tgz",
+      "integrity": "sha1-hMbhWbgZBP3KWaDvRM2HDTElD5o="
+    },
     "depd": {
       "version": "1.1.2",
       "resolved": "https://registry.npmjs.org/depd/-/depd-1.1.2.tgz",
@@ -5399,6 +5528,11 @@
       "integrity": "sha1-8NZtA2cqglyxtzvbP+YjEMjlUrc=",
       "dev": true
     },
+    "detect-libc": {
+      "version": "1.0.3",
+      "resolved": "https://registry.npmjs.org/detect-libc/-/detect-libc-1.0.3.tgz",
+      "integrity": "sha1-+hN8S9aY7fVc1c0CrFWfkaTEups="
+    },
     "detect-newline": {
       "version": "2.1.0",
       "resolved": "https://registry.npmjs.org/detect-newline/-/detect-newline-2.1.0.tgz",
@@ -6232,6 +6366,11 @@
         }
       }
     },
+    "expand-template": {
+      "version": "2.0.3",
+      "resolved": "https://registry.npmjs.org/expand-template/-/expand-template-2.0.3.tgz",
+      "integrity": "sha512-XYfuKMvj4O35f/pOXLObndIRvyQ+/+6AhODh+OKWj9S9498pHHn/IMszH+gt0fBCRWMNfk1ZSp5x3AifmnI2vg=="
+    },
     "expand-tilde": {
       "version": "2.0.2",
       "resolved": "https://registry.npmjs.org/expand-tilde/-/expand-tilde-2.0.2.tgz",
@@ -6470,8 +6609,7 @@
     "file-uri-to-path": {
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/file-uri-to-path/-/file-uri-to-path-1.0.0.tgz",
-      "integrity": "sha512-0Zt+s3L7Vf1biwWZ29aARiVYLx7iMGnEUl9x33fbB/j3jR81u/O2LbqK+Bm1CDSNDKVtJ/YjwY7TUd5SkeLQLw==",
-      "dev": true
+      "integrity": "sha512-0Zt+s3L7Vf1biwWZ29aARiVYLx7iMGnEUl9x33fbB/j3jR81u/O2LbqK+Bm1CDSNDKVtJ/YjwY7TUd5SkeLQLw=="
     },
     "filing-cabinet": {
       "version": "2.3.3",
@@ -6834,8 +6972,7 @@
     "fs-constants": {
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/fs-constants/-/fs-constants-1.0.0.tgz",
-      "integrity": "sha512-y6OAwoSIf7FyjMIv94u+b5rdheZEjzR63GTyZJm5qh4Bi+2YgwLCcI/fPFZkL5PSixOt6ZNKm+w+Hfp/Bciwow==",
-      "dev": true
+      "integrity": "sha512-y6OAwoSIf7FyjMIv94u+b5rdheZEjzR63GTyZJm5qh4Bi+2YgwLCcI/fPFZkL5PSixOt6ZNKm+w+Hfp/Bciwow=="
     },
     "fs-extra": {
       "version": "8.1.0",
@@ -7477,6 +7614,21 @@
       "integrity": "sha1-GwqzvVU7Kg1jmdKcDj6gslIHgyc=",
       "dev": true
     },
+    "gauge": {
+      "version": "2.7.4",
+      "resolved": "https://registry.npmjs.org/gauge/-/gauge-2.7.4.tgz",
+      "integrity": "sha1-LANAXHU4w51+s3sxcCLjJfsBi/c=",
+      "requires": {
+        "aproba": "^1.0.3",
+        "console-control-strings": "^1.0.0",
+        "has-unicode": "^2.0.0",
+        "object-assign": "^4.1.0",
+        "signal-exit": "^3.0.0",
+        "string-width": "^1.0.1",
+        "strip-ansi": "^3.0.1",
+        "wide-align": "^1.1.0"
+      }
+    },
     "get-amd-module-type": {
       "version": "3.0.0",
       "resolved": "https://registry.npmjs.org/get-amd-module-type/-/get-amd-module-type-3.0.0.tgz",
@@ -7613,6 +7765,11 @@
         }
       }
     },
+    "github-from-package": {
+      "version": "0.0.0",
+      "resolved": "https://registry.npmjs.org/github-from-package/-/github-from-package-0.0.0.tgz",
+      "integrity": "sha1-l/tdlr/eiXMxPyDoKI75oWf6ZM4="
+    },
     "glob": {
       "version": "7.1.4",
       "resolved": "https://registry.npmjs.org/glob/-/glob-7.1.4.tgz",
@@ -8103,6 +8260,11 @@
       "integrity": "sha1-uhqPGvKg/DllD1yFA2dwQSIGO0Q=",
       "dev": true
     },
+    "has-unicode": {
+      "version": "2.0.1",
+      "resolved": "https://registry.npmjs.org/has-unicode/-/has-unicode-2.0.1.tgz",
+      "integrity": "sha1-4Ob+aijPUROIVeCG0Wkedx3iqLk="
+    },
     "has-value": {
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/has-value/-/has-value-1.0.0.tgz",
@@ -8519,8 +8681,7 @@
     "ini": {
       "version": "1.3.5",
       "resolved": "https://registry.npmjs.org/ini/-/ini-1.3.5.tgz",
-      "integrity": "sha512-RZY5huIKCMRWDUqZlEi72f/lmXKMvuszcMBduliQ3nnWbx9X/ZBQO7DijMEYS9EhHBb2qacRUMtC7svLwe0lcw==",
-      "dev": true
+      "integrity": "sha512-RZY5huIKCMRWDUqZlEi72f/lmXKMvuszcMBduliQ3nnWbx9X/ZBQO7DijMEYS9EhHBb2qacRUMtC7svLwe0lcw=="
     },
     "inquirer": {
       "version": "6.5.1",
@@ -8800,7 +8961,6 @@
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/is-fullwidth-code-point/-/is-fullwidth-code-point-1.0.0.tgz",
       "integrity": "sha1-754xOG8DGn8NZDr4L95QxFfvAMs=",
-      "dev": true,
       "requires": {
         "number-is-nan": "^1.0.0"
       }
@@ -11051,6 +11211,11 @@
         }
       }
     },
+    "mcc-mnc-list": {
+      "version": "1.0.82",
+      "resolved": "https://registry.npmjs.org/mcc-mnc-list/-/mcc-mnc-list-1.0.82.tgz",
+      "integrity": "sha512-lvvEza+tLwM/1ix65LAAag4u+Si2W9lb7J+TuS4yd9+QosUc59FUSg89cUGO5J2zSmzNzmVgs76zRry9p//yDA=="
+    },
     "md5": {
       "version": "2.2.1",
       "resolved": "https://registry.npmjs.org/md5/-/md5-2.2.1.tgz",
@@ -11178,6 +11343,11 @@
       "integrity": "sha512-OqbOk5oEQeAZ8WXWydlu9HJjz9WVdEIvamMCcXmuqUYjTknH/sqsWvhQ3vgwKFRR1HpjvNBKQ37nbJgYzGqGcg==",
       "dev": true
     },
+    "mimic-response": {
+      "version": "1.0.1",
+      "resolved": "https://registry.npmjs.org/mimic-response/-/mimic-response-1.0.1.tgz",
+      "integrity": "sha512-j5EctnkH7amfV/q5Hgmoal1g2QHFJRraOtmx0JpIqkxhBhI/lJSl1nMpQ45hVarwNETOoWEimndZ4QK0RHxuxQ=="
+    },
     "minimalistic-assert": {
       "version": "1.0.1",
       "resolved": "https://registry.npmjs.org/minimalistic-assert/-/minimalistic-assert-1.0.1.tgz",
@@ -11256,7 +11426,6 @@
       "version": "0.5.1",
       "resolved": "https://registry.npmjs.org/mkdirp/-/mkdirp-0.5.1.tgz",
       "integrity": "sha1-MAV0OOrGz3+MR2fzhkjWaX11yQM=",
-      "dev": true,
       "requires": {
         "minimist": "0.0.8"
       },
@@ -11264,8 +11433,7 @@
         "minimist": {
           "version": "0.0.8",
           "resolved": "https://registry.npmjs.org/minimist/-/minimist-0.0.8.tgz",
-          "integrity": "sha1-hX/Kv8M5fSYluCKCYuhqp6ARsF0=",
-          "dev": true
+          "integrity": "sha1-hX/Kv8M5fSYluCKCYuhqp6ARsF0="
         }
       }
     },
@@ -11357,8 +11525,7 @@
     "ms": {
       "version": "2.1.2",
       "resolved": "https://registry.npmjs.org/ms/-/ms-2.1.2.tgz",
-      "integrity": "sha512-sGkPx+VjMtmA6MX27oA4FBFELFCZZ4S4XqeGOXCv68tT+jb3vk/RyaKWP0PTKyWtmLSM0b+adUTEvbs1PEaH2w==",
-      "dev": true
+      "integrity": "sha512-sGkPx+VjMtmA6MX27oA4FBFELFCZZ4S4XqeGOXCv68tT+jb3vk/RyaKWP0PTKyWtmLSM0b+adUTEvbs1PEaH2w=="
     },
     "mute-stdout": {
       "version": "1.0.1",
@@ -11375,8 +11542,7 @@
     "nan": {
       "version": "2.14.0",
       "resolved": "https://registry.npmjs.org/nan/-/nan-2.14.0.tgz",
-      "integrity": "sha512-INOFj37C7k3AfaNTtX8RhsTw7qRy7eLET14cROi9+5HAVbbHuIWUHEauBv5qT4Av2tWasiTY1Jw6puUNqRJXQg==",
-      "dev": true
+      "integrity": "sha512-INOFj37C7k3AfaNTtX8RhsTw7qRy7eLET14cROi9+5HAVbbHuIWUHEauBv5qT4Av2tWasiTY1Jw6puUNqRJXQg=="
     },
     "nanomatch": {
       "version": "1.2.13",
@@ -11397,6 +11563,11 @@
         "to-regex": "^3.0.1"
       }
     },
+    "napi-build-utils": {
+      "version": "1.0.1",
+      "resolved": "https://registry.npmjs.org/napi-build-utils/-/napi-build-utils-1.0.1.tgz",
+      "integrity": "sha512-boQj1WFgQH3v4clhu3mTNfP+vOBxorDlE8EKiMjUlLG3C4qAESnn9AxIOkFgTR2c9LtzNjPrjS60cT27ZKBhaA=="
+    },
     "natural-compare": {
       "version": "1.4.0",
       "resolved": "https://registry.npmjs.org/natural-compare/-/natural-compare-1.4.0.tgz",
@@ -11442,6 +11613,21 @@
         "lower-case": "^1.1.1"
       }
     },
+    "node-abi": {
+      "version": "2.11.0",
+      "resolved": "https://registry.npmjs.org/node-abi/-/node-abi-2.11.0.tgz",
+      "integrity": "sha512-kuy/aEg75u40v378WRllQ4ZexaXJiCvB68D2scDXclp/I4cRq6togpbOoKhmN07tns9Zldu51NNERo0wehfX9g==",
+      "requires": {
+        "semver": "^5.4.1"
+      },
+      "dependencies": {
+        "semver": {
+          "version": "5.7.1",
+          "resolved": "https://registry.npmjs.org/semver/-/semver-5.7.1.tgz",
+          "integrity": "sha512-sauaDf/PZdVgrLTNYHRtpXa1iRiKcaebiKQ1BJdpQlWH2lCvexQdX55snPFyK7QzpudqbCI0qXFfOasHdyNDGQ=="
+        }
+      }
+    },
     "node-emoji": {
       "version": "1.10.0",
       "resolved": "https://registry.npmjs.org/node-emoji/-/node-emoji-1.10.0.tgz",
@@ -11573,6 +11759,11 @@
         "@babel/parser": "^7.0.0"
       }
     },
+    "noop-logger": {
+      "version": "0.1.1",
+      "resolved": "https://registry.npmjs.org/noop-logger/-/noop-logger-0.1.1.tgz",
+      "integrity": "sha1-lKKxYzxPExdVMAfYlm/Q6EG2pMI="
+    },
     "normalize-package-data": {
       "version": "2.5.0",
       "resolved": "https://registry.npmjs.org/normalize-package-data/-/normalize-package-data-2.5.0.tgz",
@@ -15134,11 +15325,21 @@
         "path-key": "^2.0.0"
       }
     },
+    "npmlog": {
+      "version": "4.1.2",
+      "resolved": "https://registry.npmjs.org/npmlog/-/npmlog-4.1.2.tgz",
+      "integrity": "sha512-2uUqazuKlTaSI/dC8AzicUck7+IrEaOnN/e0jd3Xtt1KcGpwx30v50mL7oPyr/h9bL3E4aZccVwpwP+5W9Vjkg==",
+      "requires": {
+        "are-we-there-yet": "~1.1.2",
+        "console-control-strings": "~1.1.0",
+        "gauge": "~2.7.3",
+        "set-blocking": "~2.0.0"
+      }
+    },
     "number-is-nan": {
       "version": "1.0.1",
       "resolved": "https://registry.npmjs.org/number-is-nan/-/number-is-nan-1.0.1.tgz",
-      "integrity": "sha1-CXtgK1NCKlIsGvuHkDGDNpQaAR0=",
-      "dev": true
+      "integrity": "sha1-CXtgK1NCKlIsGvuHkDGDNpQaAR0="
     },
     "nwsapi": {
       "version": "2.1.4",
@@ -15155,8 +15356,7 @@
     "object-assign": {
       "version": "4.1.1",
       "resolved": "https://registry.npmjs.org/object-assign/-/object-assign-4.1.1.tgz",
-      "integrity": "sha1-IQmtx5ZYh8/AXLvUQsrIv7s2CGM=",
-      "dev": true
+      "integrity": "sha1-IQmtx5ZYh8/AXLvUQsrIv7s2CGM="
     },
     "object-copy": {
       "version": "0.1.0",
@@ -15348,6 +15548,11 @@
       "integrity": "sha1-hUNzx/XCMVkU/Jv8a9gjj92h7Cc=",
       "dev": true
     },
+    "os-homedir": {
+      "version": "1.0.2",
+      "resolved": "https://registry.npmjs.org/os-homedir/-/os-homedir-1.0.2.tgz",
+      "integrity": "sha1-/7xJiDNuDoM94MFox+8VISGqf7M="
+    },
     "os-locale": {
       "version": "3.1.0",
       "resolved": "https://registry.npmjs.org/os-locale/-/os-locale-3.1.0.tgz",
@@ -15881,6 +16086,40 @@
         "uniq": "^1.0.1"
       }
     },
+    "prebuild-install": {
+      "version": "5.3.0",
+      "resolved": "https://registry.npmjs.org/prebuild-install/-/prebuild-install-5.3.0.tgz",
+      "integrity": "sha512-aaLVANlj4HgZweKttFNUVNRxDukytuIuxeK2boIMHjagNJCiVKWFsKF4tCE3ql3GbrD2tExPQ7/pwtEJcHNZeg==",
+      "requires": {
+        "detect-libc": "^1.0.3",
+        "expand-template": "^2.0.3",
+        "github-from-package": "0.0.0",
+        "minimist": "^1.2.0",
+        "mkdirp": "^0.5.1",
+        "napi-build-utils": "^1.0.1",
+        "node-abi": "^2.7.0",
+        "noop-logger": "^0.1.1",
+        "npmlog": "^4.0.1",
+        "os-homedir": "^1.0.1",
+        "pump": "^2.0.1",
+        "rc": "^1.2.7",
+        "simple-get": "^2.7.0",
+        "tar-fs": "^1.13.0",
+        "tunnel-agent": "^0.6.0",
+        "which-pm-runs": "^1.0.0"
+      },
+      "dependencies": {
+        "pump": {
+          "version": "2.0.1",
+          "resolved": "https://registry.npmjs.org/pump/-/pump-2.0.1.tgz",
+          "integrity": "sha512-ruPMNRkN3MHP1cWJc9OWr+T/xDP0jhXYCLfJcBuX54hhfIBnaQmAUMfDcG4DM5UMWByBbJY69QSphm3jtDKIkA==",
+          "requires": {
+            "end-of-stream": "^1.1.0",
+            "once": "^1.3.1"
+          }
+        }
+      }
+    },
     "precinct": {
       "version": "6.1.2",
       "resolved": "https://registry.npmjs.org/precinct/-/precinct-6.1.2.tgz",
@@ -16172,7 +16411,6 @@
       "version": "1.2.8",
       "resolved": "https://registry.npmjs.org/rc/-/rc-1.2.8.tgz",
       "integrity": "sha512-y3bGgqKj3QBdxLbLkomlohkvsA8gdAiUQlSBJnBhfn+BPxg4bc62d8TcBW15wavDfgexCgccckhcZvywyQYPOw==",
-      "dev": true,
       "requires": {
         "deep-extend": "^0.6.0",
         "ini": "~1.3.0",
@@ -17109,11 +17347,27 @@
       "integrity": "sha512-ke8UG8ulpFOxO8f8gRYabHQe/ZntKlcig2Mp+8+URDP1D8vJZ0KUt7LYo07q25Z/+JVSgpr/cui9PIp5H6/+nA==",
       "dev": true
     },
+    "serialport": {
+      "version": "7.1.5",
+      "resolved": "https://registry.npmjs.org/serialport/-/serialport-7.1.5.tgz",
+      "integrity": "sha512-NplGdqaY+ZL8t3t5egbT+3oqLW4d7WvDT/x1ACxAyWa1fSnx+KTAmlDHeCls39lXwu8voaOr3bPOW4bwM7PdAA==",
+      "requires": {
+        "@serialport/binding-mock": "^2.0.5",
+        "@serialport/bindings": "^2.0.8",
+        "@serialport/parser-byte-length": "^2.0.2",
+        "@serialport/parser-cctalk": "^2.0.2",
+        "@serialport/parser-delimiter": "^2.0.2",
+        "@serialport/parser-readline": "^2.0.2",
+        "@serialport/parser-ready": "^2.0.2",
+        "@serialport/parser-regex": "^2.0.2",
+        "@serialport/stream": "^2.0.5",
+        "debug": "^4.1.1"
+      }
+    },
     "set-blocking": {
       "version": "2.0.0",
       "resolved": "https://registry.npmjs.org/set-blocking/-/set-blocking-2.0.0.tgz",
-      "integrity": "sha1-BF+XgtARrppoA93TgrJDkrPYkPc=",
-      "dev": true
+      "integrity": "sha1-BF+XgtARrppoA93TgrJDkrPYkPc="
     },
     "set-value": {
       "version": "2.0.1",
@@ -17184,8 +17438,7 @@
     "signal-exit": {
       "version": "3.0.2",
       "resolved": "https://registry.npmjs.org/signal-exit/-/signal-exit-3.0.2.tgz",
-      "integrity": "sha1-tf3AjxKH6hF4Yo5BXiUTK3NkbG0=",
-      "dev": true
+      "integrity": "sha1-tf3AjxKH6hF4Yo5BXiUTK3NkbG0="
     },
     "signale": {
       "version": "1.4.0",
@@ -17220,6 +17473,21 @@
         }
       }
     },
+    "simple-concat": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/simple-concat/-/simple-concat-1.0.0.tgz",
+      "integrity": "sha1-c0TLuLbib7J9ZrL8hvn21Zl1IcY="
+    },
+    "simple-get": {
+      "version": "2.8.1",
+      "resolved": "https://registry.npmjs.org/simple-get/-/simple-get-2.8.1.tgz",
+      "integrity": "sha512-lSSHRSw3mQNUGPAYRqo7xy9dhKmxFXIjLjp4KHpf99GEH2VH7C3AM+Qfx6du6jhfUi6Vm7XnbEVEf7Wb6N8jRw==",
+      "requires": {
+        "decompress-response": "^3.3.0",
+        "once": "^1.3.1",
+        "simple-concat": "^1.0.0"
+      }
+    },
     "sisteransi": {
       "version": "1.0.3",
       "resolved": "https://registry.npmjs.org/sisteransi/-/sisteransi-1.0.3.tgz",
@@ -17691,7 +17959,6 @@
       "version": "1.0.2",
       "resolved": "https://registry.npmjs.org/string-width/-/string-width-1.0.2.tgz",
       "integrity": "sha1-EYvfW4zcUaKn5w0hHgfisLmxB9M=",
-      "dev": true,
       "requires": {
         "code-point-at": "^1.0.0",
         "is-fullwidth-code-point": "^1.0.0",
@@ -17721,7 +17988,6 @@
       "version": "3.0.1",
       "resolved": "https://registry.npmjs.org/strip-ansi/-/strip-ansi-3.0.1.tgz",
       "integrity": "sha1-ajhfuIU9lS1f8F0Oiq+UJ43GPc8=",
-      "dev": true,
       "requires": {
         "ansi-regex": "^2.0.0"
       }
@@ -17753,8 +18019,7 @@
     "strip-json-comments": {
       "version": "2.0.1",
       "resolved": "https://registry.npmjs.org/strip-json-comments/-/strip-json-comments-2.0.1.tgz",
-      "integrity": "sha1-PFMZQukIwml8DsNEhYwobHygpgo=",
-      "dev": true
+      "integrity": "sha1-PFMZQukIwml8DsNEhYwobHygpgo="
     },
     "stylus-lookup": {
       "version": "3.0.2",
@@ -17901,6 +18166,42 @@
       "integrity": "sha512-4WK/bYZmj8xLr+HUCODHGF1ZFzsYffasLUgEiMBY4fgtltdO6B4WJtlSbPaDTLpYTcGVwM2qLnFTICEcNxs3kA==",
       "dev": true
     },
+    "tar-fs": {
+      "version": "1.16.3",
+      "resolved": "https://registry.npmjs.org/tar-fs/-/tar-fs-1.16.3.tgz",
+      "integrity": "sha512-NvCeXpYx7OsmOh8zIOP/ebG55zZmxLE0etfWRbWok+q2Qo8x/vOR/IJT1taADXPe+jsiu9axDb3X4B+iIgNlKw==",
+      "requires": {
+        "chownr": "^1.0.1",
+        "mkdirp": "^0.5.1",
+        "pump": "^1.0.0",
+        "tar-stream": "^1.1.2"
+      },
+      "dependencies": {
+        "pump": {
+          "version": "1.0.3",
+          "resolved": "https://registry.npmjs.org/pump/-/pump-1.0.3.tgz",
+          "integrity": "sha512-8k0JupWme55+9tCVE+FS5ULT3K6AbgqrGa58lTT49RpyfwwcGedHqaC5LlQNdEAumn/wFsu6aPwkuPMioy8kqw==",
+          "requires": {
+            "end-of-stream": "^1.1.0",
+            "once": "^1.3.1"
+          }
+        },
+        "tar-stream": {
+          "version": "1.6.2",
+          "resolved": "https://registry.npmjs.org/tar-stream/-/tar-stream-1.6.2.tgz",
+          "integrity": "sha512-rzS0heiNf8Xn7/mpdSVVSMAWAoy9bfb1WOTYC78Z0UQKeKa/CWS8FOq0lKGNa8DWKAn9gxjCvMLYc5PGXYlK2A==",
+          "requires": {
+            "bl": "^1.0.0",
+            "buffer-alloc": "^1.2.0",
+            "end-of-stream": "^1.0.0",
+            "fs-constants": "^1.0.0",
+            "readable-stream": "^2.3.0",
+            "to-buffer": "^1.1.1",
+            "xtend": "^4.0.0"
+          }
+        }
+      }
+    },
     "tar-stream": {
       "version": "2.1.0",
       "resolved": "https://registry.npmjs.org/tar-stream/-/tar-stream-2.1.0.tgz",
@@ -18143,6 +18444,11 @@
       "integrity": "sha1-fSKbH8xjfkZsoIEYCDanqr/4P0M=",
       "dev": true
     },
+    "to-buffer": {
+      "version": "1.1.1",
+      "resolved": "https://registry.npmjs.org/to-buffer/-/to-buffer-1.1.1.tgz",
+      "integrity": "sha512-lx9B5iv7msuFYE3dytT+KE5tap+rNYw+K4jVkb9R/asAb+pbBSM17jtunHplhBe6RRJdZx3Pn2Jph24O32mOVg=="
+    },
     "to-fast-properties": {
       "version": "2.0.0",
       "resolved": "https://registry.npmjs.org/to-fast-properties/-/to-fast-properties-2.0.0.tgz",
@@ -18325,7 +18631,6 @@
       "version": "0.6.0",
       "resolved": "https://registry.npmjs.org/tunnel-agent/-/tunnel-agent-0.6.0.tgz",
       "integrity": "sha1-J6XeoGs2sEoKmWZ3SykIaPD8QP0=",
-      "dev": true,
       "requires": {
         "safe-buffer": "^5.0.1"
       }
@@ -19039,6 +19344,19 @@
       "integrity": "sha1-2e8H3Od7mQK4o6j6SzHD4/fm6Ho=",
       "dev": true
     },
+    "which-pm-runs": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/which-pm-runs/-/which-pm-runs-1.0.0.tgz",
+      "integrity": "sha1-Zws6+8VS4LVd9rd4DKdGFfI60cs="
+    },
+    "wide-align": {
+      "version": "1.1.3",
+      "resolved": "https://registry.npmjs.org/wide-align/-/wide-align-1.1.3.tgz",
+      "integrity": "sha512-QGkOQc8XL6Bt5PwnsExKBPuMKBxnGxWWW3fU55Xt4feHozMUhdUMaBCk290qpm/wG5u/RSKzwdAC4i51YigihA==",
+      "requires": {
+        "string-width": "^1.0.2 || 2"
+      }
+    },
     "windows-release": {
       "version": "3.2.0",
       "resolved": "https://registry.npmjs.org/windows-release/-/windows-release-3.2.0.tgz",
diff --git a/package.json b/package.json
index 465746bc..525251f7 100644
--- a/package.json
+++ b/package.json
@@ -28,6 +28,7 @@
   "license": "BSD-3-Clause",
   "dependencies": {
     "@bifravst/athena-helpers": "^4.0.0",
+    "@bifravst/modemtalk": "^1.0.0",
     "aws-iot-device-sdk": "^2.2.1",
     "aws-sdk": "^2.514.0",
     "backoff": "^2.5.0",