Rf solutions gamma 868r lora telemetry amp modem modules rf solutions gamma 868r this hugely versatile sil gamma module from rf solutions provides a reliable transceiver based industrial remote control for use as a modem or a bi directional switch the module is easy to use with direct no volt switch input direct switching telemetry outputs and serial data in data out it uses the latest ofdm spread spectrum technology and extensive algorithm enhancements to achieve an industry leading