The Technisonic TLC-150 Low Cost base station allows for quick keypad frequency selection and liquid crystal display of selected frequency. Operating range is 117.975 MHz to 138 MHz with 25.0 KHz channel spacing. Microprocessor control circuitry allows the user to store up to 10 preprogrammed channels in non-volatile memory, and easily recall, seek or scan by keypad command A receive only function (to prevent unauthorized transmission) and a 90 second “time out” can also be programmed from the front panel. Power required is 117 VAC (220 VAC Optional) As with the TLC-100, automatic battery back-up capability is provided (battery not supplied).