Focket GSM Door Gate Opener, RTU5024 IP30 Protection GSM Mobile Phone Access Controller Remote Control Switch Free Call SMS Door Control Security Door Access Control, Support 850/900/1800/1900MHz

850/900/1800/1900MHz quad band, can be used in the global GSM network. Up to 200 authorized phone numbers can be configured at the specified time. No call charges. The GSM relay switch answers the call from the authorized number and then performs an on/off on the first "ringing". The relay will return a text message confirmation to the owner or authorized call, which can be edited by the user. Security - Use the caller ID to identify and ignore unknown callers. The relay closing or opening time is programmable. Add or remove users with the SMS Text command. With metal casing, IP30 level. The metal casing and system are safely isolated, especially suitable for industrial control applications. There is no need to provide remote controls or buttons for different users. Small size and support for wall mounting. Multiple applications., Weight: 0.48060773116 pounds, Manufacturer: Focket