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 er-ID for identification, unknown ers are ignored.
– Up to 200 authorized 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 in number, this function is editable by user.
– No charges. the GSM GPRS Relay Switch rejects the from authorized number then carries out the turn ON/OFF action on the first ‘ring’.

Specification:
GSM Frequency: Quad-Band 850/900/1800/1900MHz
Network: 2G
Digital Output: NC/NO dry contact, 3A/240VAC
DC Power Supply: 9-24VDC/2A
Power Consumption: 12V Input Max.50mA/Average 25mA
SIM Card: Support 3V SIM Card
Antenna: 50Ω SMA Antenna Interface
Cable Length: 3m/9.84ft
Temperature Range: -20-60℃
Humidity Range: Ralative Humidity 90%
Exterior Size: 82 X 76 X 27mm/3.23 X 2.99 X 1.06″

Note:
1. Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you!
2. Please allow 1-3mm measuring deviation due to manual measurement.