Cebek DTMF-2 is a Dual-Tone Multi-Frequency (DTMF) 4-channel receiver module with mains rated relay outputs.
It allows you to remotely control the relay outputs using a DTMF transmitter like the DTMF-1. It decodes DTMF tones 0 to 9, * and #.
The relay outputs can be configured to operate in Momentary, Latching or Timer mode.
It includes password or access code functions.
NB This is NOT the same as a Telephone Activated Relay Board. It cannot be directly connected to the phone system.Specifications
|Suitable Power Supply||CFE123|
|Output||4 x SPDT Relays|
|Up to 240Vac or 28Vdc @ 5 Amps max. (Relay Datasheet)|
|Relay Connections||NO, NC, C (Relay FAQ)|
|DTMF Output||-29 / 1 dBm|
|Memory Capacity / Password||1 - 10 tones|
|Memory Life||100'000 cycles|
|Board Connections||Screw terminal blocks|
|Dimensions (WxDxH)||~ 107 x 110 x 30mm|
|Product Format||PRE-ASSEMBLED Electronic Module Product Format Info|