WH-120 4G GSM Gate Opener Systems in UAE.

Features:
4G GSM network communication, no distance limitation, can be used anywhere.
Works with a Nano SIM card, users could dial the SIM card number to open the door.
No phone charges, no distance limits, no key fobs.
More convenient and friendly than any other solutions.
No call charges. The GSM 4G Gate Opener rejects the call from authorized number, then the relay will turn ON/OFF.
It is no longer traditional to open the door, but it is more interesting to shake the mobile phone to unlock the door.
Multiple applications. (gates, bollards, barriers, garage doors, shutters and access doors or  machines);
Secure – Using caller ID for identification, unknown callers are ignored;
Can be operated from anywhere, no distance limit;
Add or remove users by SMS Text command;
No need to provide a remote control for different users;
Up to 200 or 1200 authorized phone numbers can be configured;
One output with relay （3A/240VAC）for connecting the switch of the door or machines;
The relay action will return a SMS confirmation to the owner, this function is editable by user;
Based on GSM Network, applied to many applications.

Specifications:
Rated Voltage: DC 9V~36V/1A
Working temperature: -10℃～+60℃
Storage temperature: -20℃～+60℃
Relative humidity: 10-90%, No condensation
Work frequency: 4G
Related Voltage of the Output Relay: 3A/240V AC
SIM Card Nano type, 3V
Antenna: 50 Ω SMA
Wired Switch: Supports
Dimension: 96.5*50*31.5mm
Net Weight: 88g.