2770311 - LITTLEBITS WIRELESS TRANSMITTER MODULEThe wireless transmitter sends a signal to your wireless receiver and activates your littleBits circuit remotely! The three channels (labeled 1 2 and 3) on the transmitter and receiver correspond to each other and can be used simultaneously. The module can transmit its signal to a distance of about 100? indoors. Multiple wireless receivers can be used with a single wireless transmitter but only one wireless transmitter can be used in proximity to