Universal GSM Module – No limitation on distance to operate your garage door or gates.
Sim card is not provided with this module
The GSM controller allows you to make a phone call or send a text message to control the garage door or gate.
The status of the door (open/close) can be checked by sending a message to the controller.
Frequency: Double Frequency
Simcard: External slot
DC24V 500mA / DC12V 1A
Input signal: 3 channels
Output relay: 4 channels (3NO+1NC/NO)