This is the very popular 2.4GHz XBee module from Digi. These modules take the 802.15.4 stack (the basis for Zigbee) and wrap it into a simple to use serial command set. These modules allow very reliable and simple communication between microcontrollers, computers, systems, really anything with a serial port! Point to point and multi-point networks are supported.
XCTU Configuration & Test Utility Software User Guide
XBee Development Examples and Guides
Example C Code for Communicating with XBee Devices
PRODUCT EOL/MIGRATION NOTICE #151119
Schematic: XBIB-U-DEV Interface Board (TH)
Application Guide: How To Transmit Data to Device Cloud From Zigbee Network
Product Manual: XBee / XBee-PRO ZB RF Modules
Drivers
