タイトルまたは説明

     The RTU***4 is an upgraded version of famous RTU***5 gate opener, a very simple device which can be used for remote control swing or sliding gates and doors or switching devices with authorized access management(Caller-ID),well used on door access, gate control, remote switching, or car parking systems. Actually the RTU***4 can be used in places which require to turn  ON/OFF your system, machines, equipments remotely with a FREE phone call from your mobile or fixed line telephone.

Quad-band, can work in the worldwide GSM networks;
No call charges. the RTU***4 rejects the call from authorized
number then carries out the turn ON/OFF action on the first 'ring';
Secure - Using caller-ID for identification, unknown callers are ignored;
Can be operated from anywhere, no distance limit;
Add or remove users by SMS Text command;
No need to provide a remote control or keys for different users;
Up to **0 authorized phone numbers can be configured at the
specified time;
  One output with relay rating 3A/**0VAC for connecting the switch of the door or machines;
  The relay action will return a SMS confirmation to the owner or authorized call in number, this function is editable by user;
  The relay close or open time is programmable;
  Multiple applications. (gates, bollards, barriers, garage doors, shutters and access doors or machines);