Bidirectional 868MHz BUS/radio interface, management of up to 64 peripherals (sensors and sirens).

It comes complete with container.

Powered by BUS or battery art. 4238.

The 4280 radio module (868MHz/bidirectional) allows you to expand the system with sensors (up to 64 wireless devices for each radio module for a total of 128 wireless zones) and radio remote controls (max 20).

Up to 2 transceivers can be connected to the BUS both to expand signal coverage and to act as back-up for each other.

The second radio module can also function as a signal repeater of the first. In this case, it is possible to add a rechargeable battery to the device (art. 4238, not supplied) which allows it to function even in the event of a prolonged absence of power.

The device is protected by the anti-saturation (anti-jamming) function, which in the event of saturation of the radio channel sends a sabotage alarm signal to the control unit.