4 Channel Programmable DTMF circuit board
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4 Channel Programmable DTMF circuit board

$35.00
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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)

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