Feature:
- Add or remove users by SMS Text com mand.
- The relay close or open time is programmable.
- Can be operated from anywhere, no distance limit.
- Quad-band, can work in the worldwide GSM Networks.
- No need to provide a remote control or keys for different users.
- Secure - Using caller-ID for identification, unknown callers are ignored.
- Up to 200 authorized phone numbers can be configured at the specified time.
- One output with relay rating 3A/240VAC for connecting the switch of the door or machines.
- Multiple applications. (gates, bollards, barriers, garage doors, shutters and access doors or machines).
- The relay action will return a SMS confirmation to the owner or authorized call in number, this function is editable by user.
- No call charges. the GSM GPRS Relay Switch rejects the call from authorized number then carries out the turn ON/OFF action on the first 'ring'.

Specification:
GSM Frequency: Quad-band 850/900/1800/1900MHz
Gigital Output: NC/NO dry contact, 3A/240V AC
DC Power Supply: 9-24V DC/2A
Power Consumption: 12V Input Max. 50mA/ Average 25mA
SIM Card: Support 3V SIM Card
Antenna: 50? SMA Antenna Interface
Temperature Range: -20~+60?
Humidity Range: Ralative Humidity 90%
Size: 82mm*76mm*27mm/3.23*2.99*1.06"

Note:
1. There may be slight size deviations due to manual measurement, different measuring methods and tools.
2. The picture may not reflect the actual color of the item because of different photographing light, angle and display monitor.

1 X GSM Gate Opener
1 X Antenna
1 X Manual