Function:

1, 9-15V power supply

2, GSM frequency: 850/900/1800/1900MHz, 3G/4G optional

3, One DIN input for opening the door inside, press to open the door

4, One key to dial, press to call the first 5 authorization numbers. If it is connected ,press # to open the door.

5, 200 authorized telephone numbers, each number can be called in to open the door in the setting period.

6, After the authorized number calls in to open the door, it can send SMS to inform users.

7, The opening time can be set for 0-999 seconds. 0 indicates that the relay is closed for 0.5 seconds then it breaks off. 999 indicates that the relay is closed all the time, until the authorized number calls in again, then it breaks off.

8, Query the current state of the device via SMS (relay status and GSM signal value)

9, Have timed self-test.The current state of the host can be sent to the first user via SMS at regular time.

10, Use clock on the modules. Each time the host will send a SMS to correct the time after starting.

GSM Frequency:850/900/1800/1900MHz ;

Relay Rating:3A/240VAC

Power consumption:12V input  Max. 50mA

SIM Card:Supporting 3V SIM Card

Temperature range:-20-+60 °C

Humidity range:Relative humidity 10%~90%