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RadioShack (formerly written as Radio Shack) is an American electronics retailer that was established in 1921 as an amateur radio mail-order business. Its original parent company, Radio Shack Corporation, was purchased by Tandy Corporation in 1962, shifting its focus from radio equipment to hobbyist electronic components sold in retail stores ...
The Model 4P (September 1983, Radio Shack catalog number 26-1080) is a self-contained luggable unit. It has all the features of the desktop Model 4 except for the ability to add two outboard floppy disk drives and the interface for cassette tape storage (audio sent to the cassette port in Model III mode goes to the internal speaker).
Having spent less than US$150,000 on development, Radio Shack announced the TRS-80 (Tandy Radio Shack) at a New York City press conference on August 3, 1977. [18] It cost US$399 (equivalent to $2,100 in 2024), or US$599 (equivalent to $3,100 in 2024) with a 12" monitor and a Radio Shack tape recorder; the most expensive product Radio Shack previously sold was a US$500 stereo.
A special-purpose expansion card was the 64K Memory Expansion Board (catalog number 26-4105) which allowed the Model II (without the expensive Model 16 upgrade) to run a special version of the Visicalc spreadsheet called Enhanced Visicalc. This made available larger worksheets by using banked memory beyond the Z80's base 64 KB.
The Realistic DX-60 is a multiband radio. The radio receives 3 MHz to 27 MHz AM shortwave in three bands, 26.965 MHz through 27.405 MHz HF CB in one band, 540 kHz to 1620 kHz standard AM broadcast in one band, and 87 MHz to 108 MHz monaural standard broadcast FM. The DX-60 existed in two versions, model 12-764 and a nearly identical but ...
A 1939 company catalog bore the names Radio Wire Television Co. Inc. and "Lafayette Radio Corporation". In 1948, the company issued a catalog under the name “Lafayette-Concord” and called itself the “world’s largest radio supply organization”. In 1952, a catalog was issued using only the Lafayette name. [1]
By then computers were 35% of Radio Shack sales; the Model 100 was the world's best-selling notebook computer, while Tandy was the leading Unix vendor by volume, selling almost 40,000 units of the 68000-based, multiuser Tandy Model 16 with Xenix, [17] [23] and began selling all computers using the Tandy brand [24] because, an executive admitted ...
In the United States it is the official FCC term for digital radio services. The most popular type of DARS in the U.S. and Canada is SDARS (Satellite Digital Audio Radio Service), used by Sirius Satellite Radio and XM Satellite Radio. XM and Sirius both operate in the 2.3-GHz S band, from 2320 to 2345 MHz. [1]