3g /4g module gsm sms power failure alarm, power lost alarm, Buyer and Importer from Romania - Buying Lead

3g /4g module gsm sms power failure alarm, power lost alarm, power recover alarm

Usage:Auto DC Power supply:12-24V DC (Standard adapter: DC 12V 1.5A) Frequency range:Quad-frequency 900 1800 850 1900HMz Digital Input:8 digital inputs(Dry contact) output:8 drivable relay outputs(open-collector outputs) Exterior dimension:96X63X25mm Weight:256 g Usage:gsm sms alarm control system Type:Automatic Door Operators Color:Black Certificate:CE Rohs

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