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2. SCR-300 - Wikipedia

   en.wikipedia.org/wiki/SCR-300

   The SCR-300 operated in the 40.0 to 48.0 MHz frequency range, and was channelized. Along with other mobile FM tank and artillery radios such as the SCR-508 (20.0 to 27.9 MHz) and the SCR-608 (27.0 to 38.9 MHz), the SCR-300 marked the beginning of the transition of combat-net radio from low-HF AM/CW to low-VHF FM. [2]

3. SCR-536 - Wikipedia

   en.wikipedia.org/wiki/SCR-536

   The SCR-536 is often considered the first of modern hand-held, self-contained, "handie talkie" transceivers (two-way radios). It was developed in 1940 by a team led by Don Mitchell, chief engineer for Galvin Manufacturing (now Motorola Solutions) and was the first true hand-held unit to see widespread use. [1] By July 1941, it was in mass ...

4. List of Motorola products - Wikipedia

   en.wikipedia.org/wiki/List_of_Motorola_products

   Canopy – A line-of-sight wireless technology, primarily used by ISPs to provide broadband internet; MotoMESH – A mobile wireless broadband product providing proprietary "Mesh-Enabled Architecture" and standards-based 802.11 network access in both the unlicensed 2.4 GHz band and the licensed 4.9 GHz public-safety band

5. Family Radio Service - Wikipedia

   en.wikipedia.org/wiki/Family_Radio_Service

   Motorola T5320 FRS handheld radio. The Family Radio Service ( FRS) is an improved walkie-talkie radio system authorized in the United States since 1996. This personal radio service uses channelized frequencies around 462 and 467 MHz in the ultra high frequency (UHF) band. It does not suffer the interference effects found on citizens' band (CB ...

6. iDEN - Wikipedia

   en.wikipedia.org/wiki/IDEN

   iDEN. Integrated Digital Enhanced Network ( iDEN) is a mobile telecommunications technology, developed by Motorola, which provides its users the benefits of a trunked radio and a cellular telephone. It was called the first mobile social network by many technology industry analysts. [ 1] iDEN places more users in a given spectral space, compared ...

7. Antique radio - Wikipedia

   en.wikipedia.org/wiki/Antique_radio

   Homemade two tube radio from 1958. 1930s style homemade one-tube regenerative radio. The idea of radio as entertainment took off in 1920, with the opening of the first stations established specifically for broadcast to the public such as KDKA in Pittsburgh and WWJ in Detroit. More stations opened in cities across North America in the following ...