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  • 8CH DTMF MT8870 Decoder Relay Phone Remote Control Switch for AC DC Motor LED CNC Smart Home PLC DC12V
  • 8CH DTMF MT8870 Decoder Relay Phone Remote Control Switch for AC DC Motor LED CNC Smart Home PLC DC12V
  • 8CH DTMF MT8870 Decoder Relay Phone Remote Control Switch for AC DC Motor LED CNC Smart Home PLC DC12V
  • 8CH DTMF MT8870 Decoder Relay Phone Remote Control Switch for AC DC Motor LED CNC Smart Home PLC DC12V
  • 8CH DTMF MT8870 Decoder Relay Phone Remote Control Switch for AC DC Motor LED CNC Smart Home PLC DC12V
  • 8CH DTMF MT8870 Decoder Relay Phone Remote Control Switch for AC DC Motor LED CNC Smart Home PLC DC12V
  • 8CH DTMF MT8870 Decoder Relay Phone Remote Control Switch for AC DC Motor LED CNC Smart Home PLC DC12V
  • 8CH DTMF MT8870 Decoder Relay Phone Remote Control Switch for AC DC Motor LED CNC Smart Home PLC DC12V
8CH DTMF MT8870 Decoder Relay Phone Remote Control Switch for AC DC Motor LED CNC Smart Home PLC DC12V

8CH DTMF MT8870 Decoder Relay Phone Remote Control Switch for AC DC Motor LED CNC Smart Home PLC DC12V COD

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                        - Working voltage: DC 12V(with reverse polarity protection)
                        - Operating Current: Standby 11-13 MA, 1 relay ''open'' 44MA, 2 relays ''Open'' 77MA, 3 relays ''Open'' 110MA, 4 relays''open'' 140MA, 5 relays open 170MA,6 relays open 197MA,7 relays open 223MA,8 relays open 247MA.
                        - 8 modes of operation:Non-locking (Momentary ), self-locking (Toggle),inter-locking (Latch), 5/20/60/120/250-second delay
                        - The default control command is 1/2/3/4/5/6/7/8.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. 
                        - Size: 94.1 x 62.2 x 19.4 mm
                        - Maximum load: 10A / 250VAC, 10A / 125VAC, 10A / 30VDC, 10A / 28VDC, 10A / 12VDC
                         
                        Note:
                         
                        1. Please use a small ripple DC power supply (Recommended: Power with  earth wire)
                        2. Please adjust the sound output to 80-90%.
                         
                        Typical Applications:
                         
                        Home lighting system  
                        DTMF Remote control switch 
                        Smart Home / Home Automation
                        DC 12V LED lighting 
                        Fluorescent lamp 
                        12V DC Motor 
                        Fluorescent lamp 
                        Automotive electronics 
                        Industrial automation and control

                        Control 8 Channel DC 12V electrical equipment: LED / Automotive electronics
                         AD22A08_12
                         
                         
                        General electrical equipment control:DC 1-110V or AC 85-265V
                        AD22A08_12
                         
                         
                         

                        Use Method:

                        This is the DTMF audio controller with four channels, any phone or fixed telephone with DTMF key code remotely controls product relay ''open'' and ''close''.(the majority of smartphones and functions machine are DTMF code). Our software ''DTMF Dial'' (installed in a computer) can be also provided to control relays.

                        AD22A08_7
                        As shown above, by phone remote control relay. You need two phones, one as a receiver (phone_1), the other one as a transmitter (phone_2); mobile phone_1 connected by DTMF audio cable 3.5MM audio controller (the controller to be powered), and then using phone_2 ( may be a fixed telephone) call the phone_1, phone_1 answered, so that two phone call each other; then dial 1/2/3/4 by phone_2 keypad to control four relays .

                         

                         

                         
                        AD22A08_9
                        As shown above, you can install one of our ''DTMF Dial'' software in your computer, through the software control DTMF audio controller. At first, use 3.5MM audio cable to the computer video port and audio port controller, then click on the software to control relays 1/2/3/4.

                        Caution: 
                         

                        1. DTMF audio controller must use stable work of DC 12V power supply (recommendations 1A or above the power adapter)
                        2. remote control the controller by a mobile phone, the receiver must be the phone with 3.5MM audio interface, the transmitter can be a cell phone or landline
                        3. as a receiver of the phone or a computer installed the ''DTMF Dial'' software must output a sound (not muted), or they will not control relays.
                         
                        Glossary:
                         
                        NO: Normal open
                        COM: Common terminal
                        NC: Normal Connect
                        Relay open: COM connected NO but disconnected NC
                        Relay close: COM disconnected NO but NC connected COM.
                        Non-locking (Momentary ): Dial 1 (2/3/4 is the same), relay 1 ''Open'', relay close after 1 second delay
                        Self-locking: Dial 1, relay 1 ''Open'', dial 1 again, relay 1 ''off'', and so on
                        Inter-lock: Dial 1, relay 1 ''Open'', other relays ''Off''; dial 2, relay 2 ''Open'', other relays ''off'', and so on
                        ''Delay'': Dial 1, relay 1 ''Open'', relay 1 ''Close'' after a time 

                        Mode Selection:

                         

                        AD22A08_11

                        8 modes of operation, electric iron jumper (picture above) on the pads

                         



                        Package Included:

                        1 x 8CH DTMF MT8870 Decoder Relay







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