This specially designed, ultra sensitive, electret condenser microphone picks up normal conversation at distances of 25 feet or more. Specify cable length from 1 to 50 feet. This pencil eraser size microphone picks up normal conversation at distances of 25 feet or more. Includes tie clasp connector, battery, and 5 ft. cord. Uses 1.35 Volt mercury battery.
Unit is also compatible with public address and paging systems.
When connected to a single line telephone, the TEL-220 recording control will start the recorder when any telephone in the house is used and produce a quality recording of both sides of the conversation. This unit requires no tools for installation and is FCC approved. Our TRX-20 telephone recording control is for recording the conversation only on the phone instrument it is connected to. When used with a multi-line phone, it will record whichever line you are talking on. Modular connector simply plugs between handset cord and the telephone.