The detector magnetocontact radio channel "Astra-3321" is designed to detect the opening of a door, window or moving structures made of magnetoneconductive (aluminium, wood, plastic, etc.) materials and transmit notices over the radio channel 433 MHz to the radio receiver systems Astra-RI-M and Security Hub. The range of the radio channel is 300 metres.
Power supply from CR123A battery. There is a terminal block for connecting external wired magnetokontaktov.
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