Shanghai Wafer Microelectronics Co., Ltd.

GSM SMS Controller, SMS Remote Controller, GSM Remote Controller manufacturer / supplier in China, offering GSM-Dkey Double SIM Card GSM SMS Remote Controller, Coin Acceptor Operated Timer Control Board (WF-501LCD), Coin Acceptor Operated LCD Timer Control Board and so on.

Supplier Homepage Product List GSM Remote Controller GSM-Dkey Double SIM Card GSM SMS Remote Controller

GSM-Dkey Double SIM Card GSM SMS Remote Controller

FOB Price:US $100 - 150 / Set
Purchase Qty. (Sets) FOB Price
1-9 US $150 / Set
10+ US $100 / Set
Get Latest Price
Min. Order: 1 Set
Production Capacity: 1000 Sets / Week
Transport Package: Paper Carton
Payment Terms: T/T, Paypal

Basic Info.

Model NO.:GSM-DKEY
Application:Automatic Doors
Signal Transmission:RF Remote Control
Type:GSM
Certification:CE
Universal:Universal
Transmission Distance:>100m
Voltage:AC100-240V
Material:Plastic
Battery Type:AAA Battery
Power Iniput:AC100-240V
GSM Band:850/900/1800/1900MHz
Box Type:Water Proof Box
Input:Alarm Input
Output:Double Relay Output
Trademark:WAFER
Specification:CE
Origin:China

Product Description

GSM SMS remote controller for automatic door opener
(Model: GSM-DKEY)

GSM-Dkey Double SIM Card GSM SMS Remote Controller

GSM-DKEY is a updated version from GSM-KEY-AC2000 , double sim card slot on board. you can use each SIM card to do the phone calling control the seperate Relay.


GSM-Dkey Double SIM Card GSM SMS Remote Controller
GSM-DKEY-AC (GSM Version) Specification:

Power SupplyAC100-240V
Working frequency850/900/1800/1900MHz
OutputDouble relay output
InputDouble alarm input
Box typeWater proof box
MODELPhone numbersSpecial phone numbersAlarm phone numbersLog listPower supply

(Inside pictures,and the transparent cover is also optional)

Our standard products is QUAD GSM BAND at 900/1800MHz
GSM-Dkey Double SIM Card GSM SMS Remote Controller

What is GSM-DKEY?

The GSM-KEY System is an advanced secured system that is based on the cellular network , The GSM-KEY system works with Caller ID and when an authorize number calls, the system will recognize the caller and open the gate, While it will not answer the call as the call will not cost anything.

How does it work?

GSM-KEY incorporates a professional industrial grade GSM engine that receives calls at its SIM number, as any ordinary GSM phone. You need to use any operator that operates in the 900/1800 Mhz band, that is the standard in most of the world, Just to give an example, if your SIM has a phone number 35674564, that is the number you have to call to open the gate.GSM-KEY has a memory where you will store the numbers of people enabled to open your gate (up to 200) When GSM-KEY receives a call, it will check the calling number and if the number is in the list you have prepared it will reject the call and open the gate.

GSM-KEY Software for PC program ( more parameters to program the special phone numbers)

Does it work with any electric gate?

Yes. All electric gates have a button that is used to open them. GSM-KEY has a relay whose contact has to be connected to the oopening button. Actually it pushes the button in your place.

Does it cost me anything to use my phone to open my gate?

GSM-KEY doesn't answer the call, it simply checks the caller ID. Your network must send the caller ID otherwise GSM-KEY won't work. Usually operators don't charge until you answer the call, so it won't cost you anything to open the gate with GSM-KEY.
Of course you need to have an active SIM inside it, and this may have a monthly fee regardless of the calls.
Check your local operators for these details.

How can I enable different phone numbers to open my gate?

To store a number, you simply send an SMS, that starts with a password, to GSM-KEY, indicating the phone number to enable, and its position in the list.
Numbers are stored in GSM-KEY memory and not on the SIM. This prevents somebody from removing the SIM to copy all the numbers into a mobile phone.
Only the one who knows the password can insert or delete enabled phone numbers.
For faster operation you can order from us a special Software to connect the GSM-KEY to your PC and input numbers.

How many different phones can open my gate?

GSM-KEY accepts up to 200 full numbers,In additional 40 special phone numbers available that allow entrance to the building by time and days of the week..

What else do I need besides GSM-KEY?

You need only a valid SIM card. Install GSM-KEY, insert SIM, program enabled numbers and you are ready to go. 

Is it difficult to install it?

You need to connect the 2 wires that come out of the box in parallel with the Gate push button.
Connect it to AC power ( 230V 20VA), insert SIM and start programming numbers (12 numbers can be programmed with only one SMS).
Installing GSM-KEY is simple for anybody with enough technical skills.

Standard simple RS232 prgoram card (free of charge, standard component)

Optional Wireless WiFi program module, Magnetic mount antenna, USB program adapter:

WiFi-Plug module, Wireless program makes Everythings become very simple and easy !

GSM Magnet Mount Antenna ( Specially designed for Water proof type GSM remote control box)

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Shanghai Wafer Microelectronics Co., Ltd.

- Shanghai, China
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