1. Getting Ready - Building Wireless Sensor Networks [Book]
XBee USB Adapter V2 - Atmega8U2 - DFRobot
Dfrobot Xboard/x-board (a Bridge Between Home And Internet) V2 Atmega328p Wiz5100 5~12v With Xbee Socket Compatible With Arduino - Demo Board - AliExpress
Free 3D file TPU HD Cam Mounts - Xbee X v2 - 10/20/30・3D printing design to download・Cults
XBee Shield V2 For Arduino - RobotShop
Arduino Wireless Shield with XBee Series 2 Radios | Arduino Documentation | Arduino Documentation