Radio door intercom

- Mar 29, 2017 -

With the advancement of technology, walkie-talkies in the security industry has been widely used, door intercom system was born. Access control on the intercom is radio application in access control system, users call or video communications over an intercom, door intercom system consists of a Talkback host, intercom extension, UPS power supplies, electronic components, such as locks and door closers. According to the type may be classified as direct, digital, digital household work, direct-video intercom, digital-video intercom, digital household-way video intercom, etc.

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