Hi, I developed an interesting XBee shield PCB.
Features:
- RSSI LED
- Blue Associate LED
- Prototyping Area
- XBee module firmware upgrade jumpers
- Compatible with the original XBee Shield
I am offering it in a DIY kit format and you can review the assembly guide here: http://mcukits.com/?p=20
And if you find it interesting and useful, you can purchase it here: http://www.nkcelectronics.com/freeduino-arduino-xbee-shield-v20-k21.html