This small remote-control transmitter is featured in Radio Craft Magazine for operating a lamp without wires. The circuit is powered by batteries and has a “hidden” blade switch to activate it. The frequency is determined by the coil.

This small remote-control transmitter is featured in Radio Craft Magazine for operating a lamp without wires. The circuit is powered by batteries and has a “hidden” blade switch to activate it. The frequency is determined by the coil.