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Digital mobile radio. Digital mobile radio (DMR) is a digital radio standard for voice and data transmission in non-public radio networks. It was created by the European Telecommunications Standards Institute (ETSI), [1] and is designed to be low-cost and easy to use. DMR, along with P25 phase II and NXDN are the main competitor technologies in ...
Designated marksman rifle. A designated marksman rifle ( DMR) is a modern scoped high- precision rifle used by infantry in the designated marksman (DM) role. It generally fills the engagement range gap between a service rifle and a dedicated sniper rifle, at around 300–600 metres (330–660 yd).
10 or 20-round detachable box magazine. The United States Marine Corps Designated Marksman Rifle ( DMR, NSN 1005-01-458-6235; more formally the United States Rifle, Caliber 7.62 mm, M14, DMR) is a semi-automatic, gas-operated rifle chambered for the 7.62×51mm NATO cartridge. It is a modified version of the M14 rifle formerly used by the United ...
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Morse code is called the original digital mode. Radio telegraphy, designed for machine-to-machine communication is the direct on / off keying of a continuous wave carrier by Morse code symbols, often called amplitude-shift keying or ASK, may be considered to be an amplitude modulated mode of communications, and is rightfully considered the first digital data mode.
The United States Navy enlisted warfare designations represent the achievement of a qualification and entitles the member to wear the associated insignia.When awarded in accordance with appropriate guidelines, enlisted sailors are authorized to place the designator in parentheses immediately after the member’s rate abbreviation, for example, MM1(SW) Smith, HM2(CAC) Jones.
The designated marksman is intended to fill the gap between the typical infantry rifle and longer-range sniper rifles. The typical service rifle is intended for use at ranges up to a maximum of 300 meters, while sniper rifles are generally optimized for ranges of 600 meters and greater. Designated marksman rifles are designed to fill this gap ...
In addition to license-free PMR446, CB and SRD/LPD433 radio, Germany has a VHF-FM allocation called Freenet that allows a maximum of 1 W of power on six channels in the 149 MHz band. 149.0250 MHz; 149.0375 MHz; 149.0500 MHz; 149.0875 MHz; 149.1000 MHz; 149.1125 MHz; The Freenet allocation is a re-purposing of the old B-Netz mobile telephone ...