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Wireless Transmission Solution

Safe train operation
- Real-time monitoring of the platform and passenger cars
- Ensuring the safety of passengers and preventing accidents

Safe driving and operational support - Helping an engineer drive safely by monitoring - Doubling the efficiency of train operation with quality equipment

Establishing the future integrated wireless network
- Aiming for the unified (voice/video/data) wireless communication network for train
- Realizing the wireless telecommunications network for unmanned automatic operation and TCMS data transmission.
- Providing a voice call by introducing VoIP as an alternative to wire communication

Providing useful services
- Advertising, real-time news, information
- Remote control of the conditions of passenger cars (Heating/Cooling)

Building the world’s first two-way wireless transmission system for the whole subway section

18GHz wireless transmission system equipment installed on the ground
(the whole section of subway line 5,6,7,8 and 148 stations)

18GHz wireless transmission system equipment installed on the train
(200 trains: 400 sets of equipment)

The optimum wireless network design. Equipment delivery, installation, and test.

	Category	Product	Feature
SWC-1800 : Wireless transmitter-receiver (on the ground)	Main Device	Wireless transmitter-receiver	Wireless transmitting-receiving device
		L2 switch for tunnel	Optical switch of network
		Power cabinet	(FDF, AC/DC converter, surge protector)
	Additional Device	Video compressor	Digital conversion and compression of video signals
		Station building switch	Optical switch of network
		Video distributer	Transmitting input video signal to the other video monitors
		Control and monitoring device	Wireless Gateway control device
		Wireless NMS (Network Management System)	Radio transmitter-receiver output, channel control
		Access Gateway	Wireless network routing G/W
SWC-1800 : Wireless transmitter-receiver (on the train)	Main Device	Wireless transmitter-receiver	Wireless transmitting-receiving device
		NVR	Network Video Recorder
		IP camera	Video (passenger car) transmission device
	Additional Device	LCD monitor	Image displaying device
		L3 switch	Network switch
		L2 switch	Network switch in the passenger car