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China Defense Aerospace Electronics Manufacturing Service Manufacturer
Dec 15, 2016

Aerospace defence military equipment Militarized  WAN battlefield product pcba motherboards assembly electronics contract manufacturing services OEM CEM EMS experience company—China Shenzhen Topscom
A wide area network (WAN) is a telecommunications network or computer network that extends over a large geographical distance. Wide area networks are often established with leased telecommunication circuits.

Business, education and government entities use wide area networks to relay data among staff, students, clients, buyers, and suppliers from various geographical locations. In essence, this mode of telecommunication allows a business to effectively carry out its daily function regardless of location. The Internet may be considered a WAN.

Related terms for other types of networks are personal area networks (PANs), local area networks (LANs), campus area networks (CANs), or metropolitan area networks (MANs) which are usually limited to a room, building, campus or specific metropolitan area respectively.

Metropolitan area network (MAN)
Storage area network (SAN)
Internet area network (IAN)
ISDN
Packet switching
Cell switching
Label Switching
X.25
Frame Relay
Asynchronous Transfer Mode
SONET/SDH
Wireless wide area network
Low Power Wide Area Network (LPWAN)
Wide area file services
Wide area application services