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TWINTECH
Electronics & Computer Services
AUDIO/VIDEO INTERCOM SYSTEM
Communications to your gate or door is essential for total security and convenience. The
Audio/Video intercom system is very convenient for verification and identification of person
requesting entry and can range from a single door audio unit to multiple doors video systems.
Video entry systems have the added advantage of visual verification before allowing access
through releasing door locks.
Multi-unit intercom system is disclosed in which a plurality of remote stations can be signaled
from a common station. Switches are provided at the remote stations for persons located there
to either control a two-way communication link between the particular remote station and the
common station or operate an electrical device such as a door latch for admitting the person at
the central station to a facility.
