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2 channel GSM relay output SMS remote controller for automatic gate opener
GSM door opener is a GSM switch remote control system which can activate automatic gates with a free call from you mobile phone. The users’ phone numbers are programmed into the device by SMS. The device recognizes incoming Caller ID and drop the call before switching. With this system you can authorize up to 99 mobile phones to open the gate at no cost. This system has two models N/O,N/C output.
Features
1. Free charges. the call from authorized number then carry’s out the turn ON/OFF
2. Multiple applications. (Gates, bollards, barriers, garage doors, shutters and access doors or machines);
3. Secure - Using caller ID for identification, unknown callers are ignored;
4. Can be operated from anywhere, no distance limit;
5. Add or remove users by SMS Text command;
6. No need to provide a remote control for different users;
7. Up to 99 authorized phone numbers can be configured;
8. Two Digital inputs for door sensor, motion sensors or other sensors to protect your door and windows, when any one of them triggered, will send SMS alert message to admin immediately;
9.One output with relay rating 1A/12V AC,2A/30V DC for connecting the switch of the door or machines;
10. The relay action will return a SMS confirmation to the owner; this function is editable by user;
11. Based on GSM Network, no need any applications.
Specifications
Parameter item | Reference scope |
DC Power supply | 9~24VDC 2A |
Power consumption | 12V input Max. 50mA/Average 50mA |
Frequency range | Quad band 850/900/1800/1900Mhz(Optional) |
SIM Card | Supporting 1.8/3V SIM Card |
Antenna | 50 Ω SMA Antenna interface |
Temperature range | -20-+60 °C |
Humidity range | Relative humidity 90% (condensation free) |
Relay Output | 1, Dry Contact, NC or NO, 2A/30V DC |


1) Payment: Western Union, T/T, Money Gram
2) Shipping: DHL, UPS, EMS, and other courier available as required.
3) Delivery time: 7-15 days after your full payment.

1. About Price:
The price is negotiable. It can be changed according to your quantity or package.
When you are making an inquiry, please let us know the quantity you want.
2. About Sample:
Sample is Free, but the air freight is collect or you pay us the cost in advance.
3. About MOQ:
The MOQ is subject to the items ;Please refer to the items description .
For some products we have in stock, the MOQ is thousands pcs.
4. About OEM:
Welcome, you can send your own design of product and LOGO, we can open new
mold and print or emboss any LOGO for you.
5. About warranty:
We are very confident in our products, and we pack them very well, so usually you will
Receive Your Order In Good condition. Any quality issue, we will deal with it immediately.
6. About Payment or other question:
Pls email me or chat with me on Trade Manager directly.
Whatsapp/Mobilephone: +86 185 8844 7416
Skype: Yin Boris
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