Building radio

Building 2 way radios are installed in the building of the entrance guard against theft, choose the intercom control device. Host general installation in each unit at the entrance of the gate of the house of guard against theft or near the wall, the host of the panel, including box, operation, audio, video part of parts, control parts.
According to the extension of their functions:
A,The visual extension: the major function for the reception of the call, and calls, the lock, call management center
B, visual extension: the major function for the reception of the call, and calls, the lock, call management center, the receiving host image
C, multi-function extension: the above two for the extension and visual basic intercom extension, at present the market products in the function of the extension enhancement, the main value-added features include:
a, indoor alarm: extension can control indoor alarm detector in the module, the fortification, according to indoor probe removal operation and management center to alarm;
b, image storage: visual extension have internal image storage module, but the video signal to host manual and automatic storage and playback; (our currently does not have this function)
c, information release: extension can receive a residential property management center released information, the type of display that commonly there are two ways: a visual display of the extension for through the show; Another for extension equipment have LED LCD screen, information can be in the extension of the LED display on display.