RTU5034 2G GSM Gate Opener Relay — Secure Door Controller for Garage & Automatic Gates

RTU5034 2G GSM relay door controller that supports 850/900/1800/1900MHz quad bands and works on GSM networks worldwide. No call charges. The unit answers an incoming call from an authorized number and performs the ON/OFF relay action on the first 'ring' without billing for the call. Security is handled via caller-ID: unknown callers are ignored. Users can be added or removed by SMS Text command, so there is no need to distribute remote controls or keys to different users. Up to 200 authorized phone numbers can be configured at the specified time. After the relay operates, an SMS confirmation can be returned to the owner or to the authorized calling number; this confirmation function is editable by the user. Relay open and close time is programmable.