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Kenwood is a brand of JVCKENWOOD Corporation making two-way radios including wireless DECT intercom systems, PMR446, dPMR446, dPMR, P25, DMR and NXDN. The Kenwood communications product range includes hand-portable and mobile terminals (including Intrinsically Safe and ATEX / IECEx hand-portables), repeaters, infrastructure and application ...
Among the product lines are the "TS" series of HF transceivers which cover the HF ("high frequency") bands, from 1.8 to 50 MHz. These transceivers include the TS-820S, the TS-590S, the TS-850S, the TS-430S. Kenwood TS-520 transceiver.
Like other land mobile systems, NXDN systems use the VHF and UHF frequency bands. It is also used as a niche mode in amateur radio . NXDN is implemented by Icom in their IDAS system [1] and by Kenwood as NEXEDGE; [2] both Kenwood and Icom now offer dual-standard equipment which supports the European dPMR standard.
The International Beacon Project ( IBP) is a worldwide network of radio propagation beacons. It consists of 18 continuous wave (CW) beacons operating on five designated frequencies in the high frequency band. [1] [2] The IBP beacons provide a means of assessing the prevailing ionospheric signal propagation characteristics to both amateur and ...
Amateurs use a variety of voice, text, image, and data communications modes over radio. Generally new modes can be tested in the amateur radio service, although national regulations may require disclosure of a new mode to permit radio licensing authorities to monitor the transmissions.
Amateur radio operator. NASA astronaut Col. Doug Wheelock, KF5BOC, Expedition 24 flight engineer, operates the NA1SS ham radio station in the Zvezda Service Module of the International Space Station. Equipment is a Kenwood TM-D700E transceiver.
Kenwood NEXEDGE Digital trunked radio; Icom IDAS Digital trunked Land Mobile Radio; Hytera; Motorola, Motorola Capacity Plus, Motorola Connect Plus; iDEN (integrated Digital Enhanced Network) Advanced systems. Some trunked radio protocols provide additional reliability and security.
Packet radio. In digital radio, packet radio is the application of packet switching techniques to digital radio communications. Packet radio uses a packet switching protocol as opposed to circuit switching or message switching protocols to transmit digital data via a radio communication link .
Ten-codes, officially known as ten signals, are brevity codes used to represent common phrases in voice communication, particularly by law enforcement and in citizens band (CB) radio transmissions. The police version of ten-codes is officially known as the APCO Project 14 Aural Brevity Code.
The R-S-T system is used by amateur radio operators, shortwave listeners, and other radio hobbyists to exchange information about the quality of a radio signal being received. The code is a three digit number, with one digit each for conveying an assessment of the signal's readability, strength, and tone.