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2. History of radio - Wikipedia

   en.wikipedia.org/wiki/History_of_radio

   History of radio. The early history of radio is the history of technology that produces and uses radio instruments that use radio waves. Within the timeline of radio, many people contributed theory and inventions in what became radio. Radio development began as "wireless telegraphy".

3. Wireless Communications of the German Army in World War II

   en.wikipedia.org/wiki/Wireless_Communications_of...

   Comparable to the American SCR-508 tank radio, which covered a similar frequency range (20-27.9 MHz) at 25 watts and the SCR-608 artillery variant (which operated in the 27-38.9 MHz frequency band) The major difference between German Army tank sets and US Army tank and artillery sets was the American use of FM for the high-HF/low-VHF bands.

4. Walkie-talkie - Wikipedia

   en.wikipedia.org/wiki/Walkie-talkie

   Walkie-talkie. Recreational, toy and amateur radio walkie-talkies. Assorted two-way FRS and GMRS walkie talkies with hand mic. A walkie-talkie, more formally known as a handheld transceiver ( HT ), is a hand-held, portable, two-way radio transceiver. Its development during the Second World War has been variously credited to Donald Hings, radio ...

5. Wireless Set No. 46 - Wikipedia

   en.wikipedia.org/wiki/Wireless_Set_No._46

   The Wireless Set No. 46 was a HF portable manpack transceiver used by the British Army during World War II. Designed by Ekco for use during beach landings, the set was introduced in 1942. [1] It was a 6 valve set with 3 preset crystal controlled channels, housed in a water-resistant enclosure carried in a webbing pouch. The set was powered by a ...

6. List of radios - Wikipedia

   en.wikipedia.org/wiki/List_of_radios

   The RCA model R7 Superette superheterodyne table radio. This is a list of notable radios, which encompasses specific models and brands of radio transmitters, receivers and transceivers, both actively manufactured and defunct, including receivers, two-way radios, citizens band radios, shortwave radios, ham radios, scanners, weather radios and airband and marine VHF radios.

7. Wireless Set No. 38 - Wikipedia

   en.wikipedia.org/wiki/Wireless_Set_No._38

   The Wireless Set No. 38 was a High frequency (HF) portable man-pack radio transceiver used by the British Army during World War II. Designed by Murphy Radio, it was a five- valve set covering 7.4 to 9 MHz and powered by a large dry cell battery carried in a separate haversack. [1] An armoured fighting vehicle variant was also developed for use ...