The model TP-154 is a high quality low cost tone panel supporting 50 CTCSS tones and 104 DCS codes. This product was first introduced in 1992 and was the first tone panel to support the simultaneous decoding of all CTCSS tones and DCS codes. The unit is available in both rack mount and desk top. Screw type of terminal block on the back allows easy hookup to any repeater.

Programming is via a telephone plugged in the back of the unit or remotely over the air using the DTMF keypad of the radio. There is no need to use computers.