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PDT (short for Professional Digital Trunking or Police Digital Trunking) is an open industry standard for trunked radio system in China servicing police wireless communications and professional mobile radio. [1]
This article provides a list of commercially available software-defined radio receivers. Name Unit cost (2024) Type Production status Frequency range Max bandwidth RX ADC
Siae Microelettronica is an Italian multinational corporation and a global supplier of telecom network equipment. It provides wireless backhaul and fronthaul products that consist of microwave and millimeter wave radio systems, along with fiber optics transmission systems provided by its subsidiary SM Optics.
MFJ Enterprises was an American manufacturer specializing in a wide range of products for the amateur radio market. The company focuses on station accessories, including antenna tuners and antenna switching equipment. MFJ was founded in 1972 by Martin F. Jue. As of 2014, the company was recognized as the largest producer of amateur radio ...
The Fisher was the brand name for high-end, high quality hi-fi electronic equipment manufactured in New York by The Fisher Radio Corp. during the "golden age" of the vacuum tube, which was named after the company founder, Avery Fisher. [9] [10] [11] During this period, similar brands were H.H. Scott, Marantz, Harman Kardon, and McIntosh. Some ...
Swan merged with Cubic Corporation in 1967, and Johnson managed Swan as its subsidiary until 1973. Johnson founded Atlas Radio in 1974. Atlas produced smaller solid state radios for mobile communications from vehicles of all types. [3] Many Swan radios remain in service today, restored and operated by vintage amateur radio enthusiasts. [2]
E.F. Johnson Museum, Waseca, Minnesota EF Johnson Citizen Band walkie-talkie The company was founded in 1923 by Edgar F. Johnson and his wife Ethel Johnson. The company began as a mail order business, selling radio transmitting parts to amateurs and early radio broadcasters from space shared with a woodworking shop located in downtown Waseca.
Sangean produces DAB / DAB plus (DAB+) radios, shortwave radio receivers, HD Radio tuner radios (with international tuning support), weather radios, internet radios, work site radios, shower radios, portable radios and handheld radios. The brand is distinctive for its designed products.