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GSM switch generator SMS control

Auto start modules

Model: GSM switch

Important note: this product doesn't work in USA

Technical specifications
Rated Voltage: DC 9V~36V/1A
Working temperature: -10+60
Storage temperature: -20+60
Relative humidity: 10-90%, No condensation
GSM frequencies supported: 850/900/1800/1900MHz
Related Voltage of the Output Relay: 3A/240V AC
SIM Card required Nano type, 3V
Antenna: 50 Ω SMA
Wired Switch: Supports

Please make sure your network provider supports these bands. If not sure please contact us, we will do our best to help.


The GSM switch is a very simple device which can be used for authorized door access, controlling gates, switching of remote equipment, car parking systems. Actually, the GSM switch can be used in places which requires turning ON/OFF your system, machines, engines, generators, etc remotely with a FREE call from your mobile phone and protect your assets.


Just dial from Authorized User number then the Barrier and doors are opened, or the machine are turn on or off by the GSM switch. There are no call costs, the GSM switch rejects the call from authorized number then carries out the turn ON/OFF action.
1.No call charges. The GSM switch rejects the call from authorized number, then the relay will turn
ON/OFF on the first ring;
2.It is no longer traditional to open the door, but it is more interesting to shake the mobile phone to unlock the door.
3.Multiple applications. (gates, bollards, barriers, garage doors, shutters and access doors or machines);
4.Secure - Using caller ID for identification, unknown callers are ignored;
5.Can be operated from anywhere, no distance limit;
6.Add or remove users by SMS Text command;
7.No need to provide a remote control for different users;
8.Up to 200 authorized phone numbers can be configured;
9.One output with relay(3A/240VAC)for connecting the switch of the door or machines;
10.The relay action will return an SMS confirmation to the owner, this function is editable by user;
11.Based on GSM Network, applied to many applications.
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