Another way to get multiple frequencies is to use network based gateways. Check out these projects: https://www.openhardware.io/view/457/Easy-Peasy-Amplified-MySensors-Serial-Gateway https://www.openhardware.io/view/394/Minimalist-LoRa-Ra-01-Shield-for-WeMos-D1-Mini https://www.openhardware.io/view/390/Minimalist-RFM69HCW-Shield-for-Wemos-D1-Mini I have serial gateways for NRF24 and RFM 69, but added a LoRa RA-01 Wemos-D1-Mini with no issues.