diff --git a/lib/Hoymiles/src/HoymilesRadio_CMT.cpp b/lib/Hoymiles/src/HoymilesRadio_CMT.cpp
index 75c99ff77..bd831eeb8 100644
--- a/lib/Hoymiles/src/HoymilesRadio_CMT.cpp
+++ b/lib/Hoymiles/src/HoymilesRadio_CMT.cpp
@@ -22,8 +22,8 @@ constexpr CountryFrequencyDefinition_t make_value(FrequencyBand_t Band, uint32_t
 
 constexpr frozen::map<CountryModeId_t, CountryFrequencyDefinition_t, 3> countryDefinition = {
     { CountryModeId_t::MODE_EU, make_value(FrequencyBand_t::BAND_860, 863e6, 870e6, 865e6, 868e6) },
-    { CountryModeId_t::MODE_US, make_value(FrequencyBand_t::BAND_900, 905e6, 925e6, 915e6, 915e6) },
-    { CountryModeId_t::MODE_BR, make_value(FrequencyBand_t::BAND_900, 915e6, 928e6, 915e6, 915e6) },
+    { CountryModeId_t::MODE_US, make_value(FrequencyBand_t::BAND_900, 905e6, 925e6, 918e6, 915e6) },
+    { CountryModeId_t::MODE_BR, make_value(FrequencyBand_t::BAND_900, 915e6, 928e6, 918e6, 915e6) },
 };
 
 uint32_t HoymilesRadio_CMT::getFrequencyFromChannel(const uint8_t channel) const