GSM Relay Switch Remote Control Automatic Door Opener Access for RTU5034

1 Adopt GSM / 2G network communication, no distance limitation, can be used anywhere. 2 850/900/1800 / 1900MHz quad-band, can work in global GSM network. 3 No call charges. The GSM GPRS relay switch rejects the call from the authorized number and then performs the on / off action on the first line. 4 Wide working voltage design, support 9-24VDC power supply, and anti-reverse protection design. 5 Using SMS to set parameters remotely, easy to operate and use. 6 Support 200 groups of numbers, each group of numbers can be set to control the relay within a specified period of time. 7 1 line relay output, the authorized number will be closed after the incoming call, and will automatically open when the set time is reached. 8 Add or delete users through SMS text commands. After the phone controls the relay, you can send action SMS to users. 9 Between 0-999s, the relay closing time can be controlled arbitrarily, where 0 means: the relay is closed after 0.5s, and 999 means: the relay is closed until the authorization number is dialed in. 10 You can query the current status of the device (relay status and GSM signal value) through SMS instructions. 11 You can upload the current status of the device to the first user by SMS in a timely manner. 12 Use the clock on the module and send yourself a text message to synchronize after each boot. 13 Metal case with IP30 protection. The metal case is safely isolated from the system, which is especially suitable for industrial control field applications. 14 Small size and compact structure, support wall installation.

What's in the box
1 x GSM Automatic Door Opener Relay Switch