Subscriber loudspeaker `` UV '' (Calling device).
Subscriber loudspeakers.DomesticThe subscriber loudspeaker "UV" (Calling device) has been produced by the software "Kyzyl TU" since 1986. Kazakhstan. Alma-Ata. Calling device "UV" is designed to alert employees of law enforcement agencies, firefighters, the Ministry of Emergency Situations, ambulance and other services about emergencies. "UV" works like a normal 30-volt subscriber loudspeaker, and in the case of an emergency room it has a five-tone warning system, where each tone corresponds to the type and danger of the emergency room. "UV" is powered by 3 A-373 batteries. More details are not yet available.
