CTCSS Encoder / Decoder & DCS Encoder / Decoder

CTCSS Encoder Decoder & DCS Encoder Decoder: TDS-1

Sales Brochures


Product Manuals

TDS-1 Product Manual



Midian's TDS-1 is an encoder and decoder of CTCSS and DCS tones. These include the 38 CTCSS tones plus splits and 106 DCS codes, as well as custom tones. Features include reverse burst squelch tail elimination, time-out timer, penalty timer, and more. The TDS-1 supports Motorola's Private Line (PL) and Digital Private Line (DPL), as well as Channel Guard and Digital Channel Guard.


The TDS-1 is used to quiet the user's radio when other users with different CTCSS & DCS codes are talking on the system or to allow access to a repeater.


The TDS-1 can be adapted to most any two-way radio.