- GSM door opener: It uses GSM/2G network communication, which is not limited by distance and can be used anywhere. No call charges. The GSM GPRS relay switch rejects the call from the authorized number, and then performs the opening/closing operation when the first ringing.
- 200 groups of numbers: Support 200 groups of numbers, and each group of numbers can be set to control the relay within a specified time period. Add or delete users via SMS text commands. After the authority phone controls the relay, the operation record can be sent to the user via SMS.
- SMS control: The current status of the device (relay status and GSM signal data) can be queried through SMS commands, or the current status of the device can be uploaded regularly and sent to the first user by SMS, or the clock on the module can be used to send it to yourself every time it is powered A text message is time correct.
- Timing switch: One relay output is closed when the authorized number calls in, and it is automatically disconnected when the set time is reached. Set the relay closing time from 0 to 999 seconds, 0 means: the relay is closed 0.5 seconds and then disconnected, 999 means: the relay is closed all the time, and will not disconnect until the authority number calls in.
- Application range: Small size, support wall installation, especially suitable for industrial control field applications. It is suitable for garage access control, electronic fan, microwave oven, air conditioning control. And other remote switch devices, used to remotely open/close casement/sliding doors, doors, shutters, garage doors, etc.
