4G GSM Remote Controller WH-120 PRO Single Relay Switch For Sliding Swing Garage Gate Opener

Features:
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 keyfobs.
More convenient and friendly than any other solutions.

Specifications:
GSM / 4G Frequency
GSM: quad-band 850 / 900 / 1800 / 1900MHz 

4G-EU(For EMEA):
LTE-FDD Bands: B1/B3/B5/B7/B8/B20/B28
LTE-TDD Bands: B38/B40/B41
GSM: 850/900/1800/1900MHz
 
4G-AU/AUX(For Latin America/ Australia/New Zealand):
LTE-FDD Bands:B1/B2/B3/B4/B5/B7/B8/B28
LTE-TDD Bands: B40

GSM: 850/900/1800/1900MHz
 
4G-US(For North America):
LTE-FDD Bands: B2/B4/B5/B12/B13/B14/B66/B71
WCDMA: B2/B4/B5
 

DC power: DC 9V – 36V/1A
Power consumption: max 50mA / average 25mA
SIM card: nano type, 3V
Antenna: 50Ω SMA
Relay specification: 3A/250V AC, 20A/14V DC
Relay type: NO/NC
Relay time: max 0 - 900s
Wired switch: supports 
Operating temp: - 10 - 60 Deg. C 
Relative humidity: 10 - 90% (RH)