Surface detector security surface optoelectronic radio channel "Astra-5131" version Sh (curtain) is designed to detect intrusion into the protected space of the closed room and the transmission of notices over the radio channel 433 MHz to the radio receiver systems Astra-RI-M and Security Hub. Surface detection zone type "vertical curtain" range of 5 m.
The range of the radio channel 300 m. Powered by a CR123A battery (included).
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