Product Specifications:

Operating Voltage: DC 9-13V(Recommendation : 12V);

Operating Temperature : -40-+85 °C

Size: 76x73x20mm

Weight :72g

Relay maximum load capacity: DC 0-48V/6A; AC 85-250V/5A

Product Features:

4 channel relay.DTMF audio decoder control,Dial the number 1/2/3/4 control channel 1/2/3/4.

Power anti-reverse diode.

8 kinds of Mode selection: Momentary, Toggle, Latch,Delay 5/20/60/120/250 seconds

Flexible wiringcan be controlled all kinds of electrical equipment:

DC 12V LED Motor Forward and reverse,DC 1-48V /AC 85-265V LED Motor Electric light Refrigerator Air conditioning etc.

Use Method:

This decoding module is for mobile and fixed telephone voice dialing decoding function , has 4 channels, 8 kinds of selectable output function,4 channels outputs decode mobile and fixed telephone keys (number1/2/3/4).or can be use “DTMF Dial” Software control.

Control by mobile phone:

Control by DTMF Dial Software:

Mode selection:

NC : Normal Connect

COM : Common terminal

NO: Normal open

Relay close: COM connect NO.

Relay open : COM disconnect NO.

Mode selection explanation:

Momentary———— Dial number 1, the relay 1(Out 1)is close,  one second delay relay 1 open, the same as Relay 2/3/4 ,Every Relay is Independent ;

Toggle————— Dial number 1, the relay 1(Out 1) is close, Dial the number 1 again relay 1 open, the same as  Relay 2/3/4 ,Every Relay is Independent;

Latched——————

Dial number 1, the relay 1(Out 1) is close,  relay 2/3/4(OUT 2/3/4) is open

Dial number 2, the relay 2(Out 2) is close,  relay 1/3/4(OUT 1/3/4) is open

Dial number 3, the relay 3(Out 3) is close,  relay 1/2/4(OUT 1/2/4) is open

Dial number 4, the relay 4(Out 4) is close,  relay 1/2/3(OUT 1/2/3) is open

Delay 5/20/60/120/250 seconds —————— Dial number 1, the relay 1(Out 1)is close,  5/20/60/120/250 seconds delay relay 1 open, the same as Relay 2/3/4 ,Every Relay is Independent.