A mini dual station intercom recommended for use at home.

A receiving intercomm circuit that suits those who want to learn about the operation.

This circuit creates a receiving telephone circuit that suits those who want to learn about the telephone operation.

This circuit is very easy and fun to use. When the telephone line is on hold, this circuit enables music to play through the telephone! Special order only

Kit makes a Microphone preAmp circuit. works with 12 volt power supply 1 Left in stock and only Factory assembled(no kits)!

Telephone Cut off Timer kit to limit the length of phone calls. Kit includes all components and circuit board. Kit requires assembly by soldering.

Telephone Privacy Potector

Automatically Activates Recording device when the phone is picked up, Special order contact us for price & delivery

Out of stock! Kit makes a Mono to Stereo Simulator. Works with 12 volt DC power supply