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.
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!
The PICAXE Connect board lets you hook up a Digi XBee module or LocSense GPS module to your PICAXE or (using a MAX3232 chip) a computer.