The Texas Instruments CC2531EMK kit consists of a CC2531 USB Dongle and software to support a PC USB interface to IEEE 802.15.4 and ZigBee protocol wireless communication applications. This dongle can be plugged directly into your PC and can be used as an IEEE 802.15.4 packet sniffer.
CC2531F256 IEEE 802.15.4 Wireless SoC 2 x user pushbuttons 2 x user LEDs USB A connector for PC 10-pin program/debug header PCB antenna (meandered inverted F) CC2531 USB Firmware Library and Examples downloadable from web Works with RemoTI, TIMAC and ZStack for CC2530 Supported by SmartRF Studio, Packet Sniffer and Flash Programmer