GSM Gate Opener Relay Switch Remote Access Controller Automatic sliding door motor control by free phone call

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 / 3G Frequency
GSM: quad-band 850 / 900 / 1800 / 1900MHz
3G WCDMA: 900 / 2100MHz UMTS
3G CDMA2000: 850 / 1900MHz UMTS
3G: 850 / 2100MHz UMTS
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)

Please Note:
Notice: The power adapter and push button are NOT included. The default device only support GSM.

Package List:
1 x Controller, 1 x Antenna, 1 x User Manual in English
 
Package weight: 0.181 kg 
Product size (L x W x H): 9.65 x 5.00 x 3.15 cm / 3.8 x 1.97 x 1.24 inches 
Package size (L x W x H): 12.50 x 4.00 x 7.00 cm / 4.92 x 1.57 x 2.76 inches