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2. Realistic (brand) - Wikipedia

   en.wikipedia.org/wiki/Realistic_(brand)

   Renamed Radio Shack brands. Products. Record players, Audio receivers, Cassette decks, Ham radios, Speakers, Headphones. Realistic is a brand produced by RadioShack, a division of Tandy Corporation, to market audio and video products for home use. The brand name was phased out in the mid 1990s and discontinued in 2000, then returned briefly in ...

3. Koss Corporation - Wikipedia

   en.wikipedia.org/wiki/Koss_Corporation

   Number of employees. 31 [1] (2023) Website. koss .com. Koss Porta Pro headphones. Koss Pro/4AA headphones. Koss Corporation is a company in Milwaukee, Wisconsin, US that manufactures headphones. The company introduced the first high fidelity stereophones. [2]

4. Trunked radio system - Wikipedia

   en.wikipedia.org/wiki/Trunked_radio_system

   A trunked radio system is a two-way radio system that uses a control channel to automatically assign frequency channels to groups of user radios. In a traditional half-duplex land mobile radio system a group of users (a talkgroup ) with mobile and portable two-way radios communicate over a single shared radio channel, with one user at a time ...

5. TV Scoreboard - Wikipedia

   en.wikipedia.org/wiki/TV_Scoreboard

   AC adapter or 6 x 1.5v AA battery. The TV Scoreboard (sometimes called RadioShack TV Scoreboard) is a Pong -like dedicated home video game console manufactured in Hong Kong from 1976 through the early '80s and made by Tandy. [1] [2] Distribution was handled exclusively by RadioShack . The TV Scoreboard consisted of a left and right player, with ...

6. RadioShack - Wikipedia

   en.wikipedia.org/wiki/RadioShack

   RadioShack (formerly written as Radio Shack) is an American electronics retailer which was established in 1921 as an amateur radio mail-order business. Its parent company, Radio Shack Corporation , was purchased by Tandy Corporation in 1962, shifting its focus from radio equipment to hobbyist electronic components.

7. TRS-80 Model 100 - Wikipedia

   en.wikipedia.org/wiki/TRS-80_Model_100

   300 by 215 x 50 mm. Mass. About 1.4 kg (3.1 lb) with batteries. The TRS-80 Model 100 is a notebook-sized portable computer introduced in April 1983. It was the first commercially successful notebook computer, as well as one of the first notebook computers ever released. [1] It features a keyboard and liquid-crystal display, in a battery-powered ...