WH-160 200 user GSM Gate Opener Remote Control Single Relay Switch For Sliding Swing Garage Barrier Opener

Overview:THE WH-300 4G GSM controller is designed to remotely control a relay output on an authorised incoming call. The unit will check the database of allowed users, reject the call and only sw..

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,..

Features4G 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 limit..

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,..

The GSM SMS Environment Alarm WH-170 is special for remotely monitoring site temperature, humidity, power status through wireless GSM Network. When the temperature, humidity, power status exceed high ..

Brief introductionThe GSM SMS Environment Alarm WH-180 is special for remotely monitoring site temperature, power status through wireless GSM Network. When the temperature, power status exceed hi..

The GSM Gate Opener/Relay Switch RTU5034 is an powerful GSM Relay, it is a very simple device which can be used for authorized door access, controlling gates, switching of remote equipment, ..

Advantages:> GSM or 3G band,distribute worldwide applications;> Up to 999 authorized phone numbers can be configured at the specified time for access control;>  No call charges.Reject ca..