Phone transmitter - FM Transmitter Kit

Listen to those 'private' calls! This is a very popular kit, and you know why. It transmits both sides of the conversation of a telephone call to any FM radio. Comes with all the necessary quick connections to make hook-up fast. No batteries needed!! It takes its power from the telephone line. 100 foot range even through walls. Build one today and let the fun begin! Can be ordered assembled. Measures 2.5cm x 4.5cm.

This small power supply provides a regulated DC voltage adjustable from 0 to 18V with the maximum current adjustable from 0 to 1A. It uses the popular 723 regulator Integrated Circuit in conjunction with 2 transistors to provide a well regulated DC output with current limit and overload protection. Supply voltage: 14 to 16V AC @ 1A.

This small power supply provides a regulated DC voltage adjustable from 0 to 18V with the maximum current adjustable from 0 to 2A. It uses the popular 723 regulator Integrated Circuit in conjunction with 2 transistors to provide a well regulated DC output with current limit and overload protection. Supply voltage: 14 to 16V AC @ 2A.

This is a very stable and regulated power supply for all your needs with a maximum output current adjustable from 2 ma to 1.5 Amps. Heat sink is included. Comes complete instructions, and etched silk-screened circuit board. Can be ordered assembled.

Two modes of operation: "Symetrical", which provides two equal (+) and (-) outputs, and "Independent", which provides two independent (+) and (-) outputs. Voltage: 48 VAC C.T. @ 1.5 Amps. Heat sinks are included. Comes complete instructions, transformer and etched silk-screened circuit board.