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The Second World War (1939-1945) saw the military use of radio-telephony links. Hand-held radio transceivers have been available since the 1940s. Mobile telephones for automobiles became available from some telephone companies in the 1940s.
During World War II, the German Army relied on a diverse array of communications to maintain contact with its mobile forces and in particular with its armoured forces. Most of this equipment received the generic prefix FuG for Funkgerät , meaning "radio device".
For instance cavalry, trenches, and World War I-era battleships were normal in 1940, but six years later, armies around the world had developed jet aircraft, ballistic missiles, and even atomic weapons in the case of the United States. World War II was the first war where military operations often targeted the research efforts of the enemy.
World War II [b] or the Second World War (1 September 1939 – 2 September 1945) was a global conflict between two coalitions: the Allies and the Axis powers. Nearly all the world's countries participated, with many investing all available civilian resources in pursuit of total war .
It could send up to two images per second over Japan's Personal Handy-phone System (PHS) cellular network, and store up to 20 JPEG digital images, which could be sent over e-mail. [85] The first mass-market camera phone was the J-SH04 , a Sharp J-Phone model sold in Japan in November 2000.
The service was established during the First World War and used again during the Second World War. [1] The sites were operated by a range of agencies including the Army, Navy and RAF, and the Foreign Office (MI6 and MI5). The General Post Office and the Marconi Company provided some receiving stations, ashore and afloat. There were more than ...
After World War I, the Nokia Company was nearing bankruptcy and was acquired by the Finnish Rubber Works. [5] In 1932, the Finnish Rubber Works also acquired the Suomen Kaapelitehdas Oy (Finnish Cable Works). The cable works had been founded in 1912 by Arvid Wickström. His company produced telephone, telegraph, and electrical cables. [1] [6]
This is a list of World War II electronic warfare equipment and code words and tactics derived directly from the use of electronic equipment.. This list includes many examples of radar, radar jammers, and radar detectors, often used by night fighters; also beam-guidance systems and radio beacons.