The rfPIC Development Kit 1 facilitates application development using the company's 20-pin rfPIC12F675 flash microcontroller (MCU) plus UHF RF transmitter and the rfRXD0420 receiver device. The modules support frequencies of 315 MHz and 433 MHz. Included are two receivers, two transmitters, and the PICkit 1 Flash Starter Kit. It goes for $135.
Microchip Technology Inc.