4G SIP Audio Intercom Installer, DP92-SG malaysia, 4G wireless SIP audio intercom near me, DINSTAR 4G SIP Audio Intercom supplier

4G SIP Audio Intercom
The DP92-SG Series are high quality 4G wireless SIP audio intercom with the echo cancellation function. The whole device is made of aluminum alloy. The surface housing is whole black sandblasted. Compared with the normal intercom on the market, it has a more attractive appearance, it looks more luxury and stable after installation.


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