4 Channel Programmable DTMF circuit board

4 CH DTMF Tone Signal Decoder Remote Control Relay Switch Module 12V DC

Functional characteristics:

 1.working voltage DC 12V, with reverse polarity protection

2.Operating Current: Standby 11-13 MA, 1 relay "open" 44MA, 2 relays "Open" 77MA, 3 relays "Open" 110MA, 4 relays "open" 140MA  

3. Eight modes of operation: Non-locking (Momentary ), self-locking (Toggle),inter-locking (Latch), 5/20/60/120/250-second delay

4. Default control command is 1/2/3/4.Example: Dial 1 to control relay 1, dial 2 to control relay 2, dial 3 to control relay 3, dial 4 to control relay 4; control commands can be changed any 1-4 bits. (For more details, refer to " AD22B04_4 channel DTMF controller commands setting manual "). 

 Package  Included:

  1 x  AD22B04 DC 12V 4 Channel DTMF Decoder Relay Board ;

 1 x  Male to Male audio wire (3.5mm jack)