Xbee/Bluetooth/SRS485 RS485/APC220 I/O Sensor Expansion Shield V5.0 For Arduino
The Adapter also could support XBee interface. XBee-setting support software X-CTU. Usage 1: PC via a USB cable directly connected with XBee adapters. Bee Adapter is a compact USB to serial adapter equipped with BEE (20pin 2.0mm) sockets.