Cable TV: amplifier, splitter, distributor, terminal socket.

Satellite TV: antenna, receiver, signal source equipment, others are the same as cable TV.

Computer local area network: routers, switches at all levels, small servers, voice and data wiring switching equipment, broadband optical fiber access equipment, cabinets, power supply.

Conference TV: integrated camera, IP phone, projector and screen, connected to the network system.

Monitoring room: the main equipment and handover equipment of each weak current system.

Access control: switch, management station, door lock, card reader.

Surveillance TV: video camera, digital matrix, hard disk video recorder, distributor, management station, etc.

Large screen system: large screen controller, splicing screen or primary color screen.