RTU5024 GSM Gate Opener, GSM Remote Switch Door Opener SMS Door Control Automatically Open and Close, NOT support 3G/4G

Support 200 authorized phone numbers, each group of numbers can be set to control the relay within the specified time period. One relay output, it will be closed when the authorized number calls in, and it will be automatically disconnected when the set time is reached, with metal housing, protection class IP30. After the authorized phone controls the relay, it can send the action short message to the user, 850/900/1800/1900MHz quad band. Noted: NOT support 3G or 4G networks. The current status of the device can be uploaded regularly by SMS and sent to the first user. You can query the current status of the device (relay status and GSM signal value) through SMS commands.