King Pigeon Communication Co. Ltd

shenzhen, China

We offer gsm relay gsm switch gsm gate opener. The gsm relay gsm switch gsm gate opener rtu5024 is a upgrade version of gsm gate opener, it supports 200 authorized users, the authorized users can call in to open the gate or switch on off the equipments with a free charge call at the specified time. 1. gsm frequency: 85090018001900mhz , can work in the worldwide gsm networks;2. no call charges. The gsm relay rejects the call from authorized number then carries out the turn onoff action on the first 'ring';3. multiple applications. (gates, bollards, barriers, garage doors, shutters and access doors or machines);4. add or remove users by sms text commands;5. no need to provide a remote control or keys for different users;6. up to 200 authorized phone numbers can be configured at the specified time;7. 1 output with relay rating 3a240vac for connecting the switch of the door or machines.