cellular radio network
71Optical Transport Network — ITU T defines an Optical Transport Network (OTN) as a set of Optical Network Elements (ONE) connected by optical fibre links, able to provide functionality of transport, multiplexing, switching, management, supervision and survivability of… …
72Matrix Cellular Services — Matrix Cellular Services[1][2] Industry Telecommunications Founded 1995[3] by Gagan Dugal Headquarters …
73Telecommunications network — Example of how nodes may be interconnected with links to form a telecommunications network A telecommunications network is a collection of terminals, links and nodes which connect together to enable telecommunication between users of the… …
74Citizens' band radio — Typical 1980s CB base station, used with outdoor antenna. This radio may also be used in an automobile, since it is powered by 13.8V DC. Shown with Astatic Power D 104 desk mic …
75Crystal radio — Crystal set redirects here. For the Australian rock band, see The Crystal Set. A modern reproduction of an antique crystal set. It is tuned to different stations by moving the sliding contact (right) up and down the tuning coil (red). The device… …
76Swedish National Defence Radio Establishment — Infobox Government agency agency name = Swedish National Defence Radio Establishment nativename = Försvarets radioanstalt seal width = 160px seal caption = Unofficial rendering of the coat of arms of the Swedish National Defence Radio… …
77Municipal wireless network — (Municipal Wi Fi, Muni Wi Fi or Muni Fi) is the concept of turning an entire city into a Wireless Access Zone (WAZ), with the ultimate goal of making wireless access to the Internet a universal service. This is usually done by providing municipal …
78OLT (mobile network) — OLT (Norwegian for Offentlig Landmobil Telefoni, Public Land Mobile Telephony), was the first land mobile telephone network in Norway. It was established December 1, 1966, and continued until it was obsoleted by NMT in 1990. In 1981, there were… …
79Next-generation network — (NGN) is a broad term used to describe key architectural evolutions in telecommunication core and access networks. The general idea behind the NGN is that one network transports all information and services (voice, data, and all sorts of media… …
80Amateur radio emergency communications — In times of crisis and natural disasters, Amateur radio is often used as a means of emergency communication when wireline, cell phones and other conventional means of communications fail. Unlike commercial systems, Amateur radio is not as… …
