RC-100 Remote Control Add wireless comms to your CM2+, CM5 or CM5x0. This module is based around the Chipcon 802.15.4 chipset. If you need PC to CM comms then you'll also need the Zig2Serial pcb shown below.
BT-100 plus BT-110A This set allows you to control your robot with Bluetooth from an RC-100. The BT-100 module can be soldered into the RC-100 whilst the BT-110A module can be connected to a CM-100, CM-5x0 and CM-700 module.