In
telecommunication, a 'combat-net radio' (CNR) is a
radio operating in a
network that (a) provides a
half-duplex circuit and (b) uses either a single
radio frequency or a discrete
set of radio frequencies when in a
frequency hopping mode.
CNRs are primarily used for
push-to-talk-operated radio nets for
command and control of
combat, combat support, and
combat service support operations among
military ground, sea, and air forces.
In the
United States two military standards govern the use of Combat Net Radios and the host applications that communicate over the network - MIL STD 188-220 and MIL STD 2045-47001. In addition to IETF RFCs governing UDP, TCP, and IPv4/IPv6, all seven layers of the ISO communications architecture are addressed. MIL STD 2045-47001 covers layer 7 while MIL STD 188-220 covers layers 1 through 3 (up to the Intranetworking sublayer).
Examples:
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AN/PRC-77
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SINCGARS
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AN/PRC-148 MBITR
See Also
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JTRS
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Joint Electronics Type Designation System
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Software-defined radio