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Another reason is the increased portability of a wireless system. With battery-powered radio frequency wireless intercom units, a person can carry a station as they walk around. One of the challenges of a wireless system is the possibility of interference. Radio frequency wireless systems may get interference from other wireless devices.
Today, a radio shack can be anywhere that radio equipment is housed and operated, usually a room such as with amateur radio stations, but for some the entire "shack" may consist of a hand-held radio or two while others may operate mobile equipment in a vehicle. [3] In amateur radio use, the room housing the equipment is often called a "ham ...
The Radio Shack modem uses its own proprietary command set and only supports communications at 300 baud. Teletrends produced a 1200 baud that uses the Hayes command set . Tandy discontinued the 4P by early 1985, stating that "even though you won't find a more enthusiastic and devoted group of owners than our Model 4P folks, transportables just ...
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 United States and Canada have several frequency ranges for wireless intercom systems and other wireless products. They are 49 MHz, FM band (200–270 kHz), 494–608 MHz, 900 MHz, 2.4 GHz, 5.8 GHz, and MURS (150 MHz). IP Intercoms are now appearing that connect a Master to an IP Substation elsewhere on the Internet, via an Ethernet port.
Tandy/Radio Shack TRS-80 Model I. In the mid-1970s, Tandy Corporation's Radio Shack division was a successful American chain of more than 3,000 electronics stores. Among the Tandy employees who purchased a MITS Altair kit computer was buyer Don French, who began designing his own computer and showed it to the vice president of manufacturing John V. Roach, Tandy's former electronic data ...
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