Dresden Elektronik and Embit have some sub Ghz modules, but Embit only supports Zigbee and different Atmel protocols, TIMAC and Wireless M-bus. https://en.wiki

Dresden Elektronik and Embit have some sub Ghz modules, but Embit only supports Zigbee and different Atmel protocols, TIMAC and Wireless M-bus. https://en.wikipedia.org/wiki/Comparison_of_802.15.4_radio_modules https://en.wikipedia.org/wiki/Comparison_of_802.15.4_radio_m...