SHX1 is small multi-channel 25kHz narrow band VHF transceiver with up to 500mW RF power output. It is usable for 144MHz band amateur, 151MHz US MURS and European 169MHz band high power applications.
The TLM2 transmitter module offers a 500mW RF output in the UK 458MHz. This unit is ideally suited to applications where existing lower powered transmitters provide insufficient range.