There are many different types available - make sure to get the "X2-Z11-EC-A" (like from SparkFun or Digi)
All XBees have to be configured as "ZIGBEE ROUTER AT", which means a firmware with the number 22xx. Change the settings to:
Setting | Command | Value |
---|---|---|
PAN ID | ID | AAAA |
Scan Channels | SC | 1FFE |
Channel Verification | JV | 1 |
Destination Address High | DH | 0 |
Destination Address Low | DL | 0 |