DTMF Relay Board 8 Channel DC 12V 8CH DTMF Relay Phone Voice Decoder Remote Controller Switch Module Decoder Relay
Product Description
DTMF Relay Board 8 Channel DC 12V 8CH DTMF Relay Phone Voice Decoder Remote Controller Switch Module Decoder Relay
- 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
- Working voltage DC 12V,with reverse polarity protection
- 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
- Eight modes of operation, Non-locking (Momentary ),self-locking (Toggle),inter-locking(Latch), 5/20/60/120/250-second delay
Technical Specifications
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