Dtmf Relay Board, AD22A08 DC 12V 8CH DTMF Relay Phone Voice Signal Decoder Remote Controller Switch Module auspowers_batchfour please use tools instead of

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Dtmf Relay Board, AD22A08 DC 12V 8CH DTMF Relay Phone Voice Signal Decoder Remote Controller Switch Module auspowers_batchfour please use tools instead ofDtmf Relay Board, AD22A08 DC 12V 8CH DTMF Relay Phone Voice Signal Decoder Remote Controller Switch Module Specifications: Model: AD22A08Working Voltage: DC 12VSize: 946218mm 3. 72. 440. 7inWeight: 114 gramsMaximum Load: 10A 250VAC, 10A 125VAC, 10A 30VDC, 10A 28VDC, 10A 12VDCPackage Includes: 1 x Relay Module, 1 x 3. 5mm Audio Cable Read more Glossary: NO: Normal openCOM: Common terminalNC: Normal ConnectRelay open: COM connected NO but disconnected