3.3V-5V 800-100M 57600bps APC220 Wirless RF Module 433MHz-478MHz Data Communicator USB Converter Board UART TTL for Arduino: Amazon.com: Industrial & Scientific
Amazon.com: RF Amplifier, 433MHz RF Low Noise Amplifier Radio Frequency LNA Gain: 22dB Suitable for Amateur Radio Receiver Front-end Amplification Use : Electronics
XZN 433MHZ/915MHZ 3DR Radio Telemetry Kit: Amazon.com: Industrial & Scientific
ImmersionRC EzUHF JR Module 433MHz for the 9XR and Taranis : Toys & Games