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The new B4 burglar alarm system comprises three control units offering a choice of software functions and the number of inputs, and can be remotely programmed using the special modem, making installation especially simple; it is also possible to install an on-board voice synthesizer, thus transforming the modem into a telephonic communications device. The entire system is controlled from a wall-mount or recessed keyboard with LCD display, and can monitor up to 64 zones, extending the bus line up to one kilometre without requiring repeater modules.
Devices and software
Plug and key