CUAV XBEE Radio Telemetry Module 28mile - MotioNew
3DR Radio v1 — Copter documentation
3DR 100mW Radio Telemetry Kit 433MHZ 915MHZ MAVLink protocol framing for APM APM 2.5 2.6 2.8 Pixhawk Flight Control - AliExpress
Amazon.com: Drone Accessories for 3DR Radio Telemetry 433Mhz 915Mhz 1000MW/500MW Air and Ground Data Transmit Module with OTG Cables for APM 2.8 /Pixhawk 2.4.8 Replaceable (Color : 1000MW 433MHZ) : Industrial & Scientific
SiK Telemetry Radio V3 - 915MHz, 100mW - WRL-19032 - SparkFun Electronics