Single Channel GSM Receiver

1 channel remote control receiver via mobile network
Free call to the unit from registered authorized phone numbers (fixed or mobile phones)
All calls from unauthorized phone numbers are ignored.
Ability to register up to 98 authorized phone numbers.
Add or remove authorized phone numbers through SMS.
Can be used in multiple applications (garage doors, shutters, burners, lights, water heaters, alarm panels, cars)
No distance limitation.
There is no longer any need for concession or service of remote controls or replacement of batteries for users of a private parking.
It has a relay contact with tolerance (1A / 125VAC) or (2A / 30VDC)
No software installation is needed on the mobile phones that are using this system