The is a breakout board for the popular XBee modules. Board includes easy-to-sew tabs and all the necessary power regulation to run on the LilyPad system.
The Pololu IR beacon is a compact board that is used in pairs to allow robots to locate each other.
This kit contains a 125 KHz RFID reader and additional parts.
If you're going to use a RF module that needs an SMA antenna, we've got you covered! Here's a 152mm swivel/tilt whip with RP-SMA connector!