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2. 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 ...

3. 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

4. Police radio - Wikipedia

   en.wikipedia.org/wiki/Police_radio

   Police radio. Police radio is a radio system used by police and other law enforcement agencies to communicate with one another. Police radio systems almost always use two-way radio systems to allow for communications between police officers and dispatchers . Most modern police radio systems are encrypted, and many jurisdictions have made ...

5. SCR-300 - Wikipedia

   en.wikipedia.org/wiki/SCR-300

   Motorola SCR-300 circa 1940. The SCR-300 was a portable radio transceiver used by US Signal Corps in World War II. This backpack -mounted unit was the first radio to be nicknamed a "walkie talkie". [ 1]

6. Martin Cooper (inventor) - Wikipedia

   en.wikipedia.org/wiki/Martin_Cooper_(inventor)

   Martin Cooper (inventor) Martin Cooper (born December 26, 1928) is an American engineer. He is a pioneer in the wireless communications industry, especially in radio spectrum management, with eleven patents in the field. [ 2][ 3] On April 3, 1973, he placed the first public call from a handheld portable cell phone while working at Motorola ...

7. Astro (Motorola) - Wikipedia

   en.wikipedia.org/wiki/Astro_(Motorola)

   The New Hampshire U.S. State Police were the first to test and use a conventional ASTRO Digital Solutions system. They began testing of ASTRO portable radios, mobile radios, base stations, dispatch consoles, and a wide-area system in December 1992 for State Police Troop A, and completed a phased installation several years later.

8. Project 25 - Wikipedia

   en.wikipedia.org/wiki/Project_25

   Project 25 ( P25 or APCO-25) is a suite of standards for interoperable digital two-way radio products. P25 was developed by public safety professionals in North America and has gained acceptance for public safety, security, public service, and commercial applications worldwide. [ 1] P25 radios are a direct replacement for analog UHF (typically ...

9. Golden-i - Wikipedia

   en.wikipedia.org/wiki/Golden-i

   Golden-i headsets feature a 15-inch virtual laptop-size qHD microdisplay manufactured by Kopin Corporation [5] which can be adjusted to be used below the left or right eye, [6] 9-axis head-tracking technology with a digital compass and GPS, [7] speech recognition software with two noise-cancelling microphones [8] (supporting 38 languages), [9] Bluetooth, [1] Wi-Fi and USB connectivity, [4] 3D ...