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Intelecommunications, acombat-net radio (CNR) is aradio operating in anetwork that (a) provides ahalf-duplexcircuit and (b) uses either a singleradio frequency or a discreteset of radio frequencies when in afrequency hoppingmode.
CNRs are primarily used forpush-to-talk-operated radio nets forcommand and control ofcombat, combat support, andcombat service support operations amongmilitary 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 theOSI communications architecture are addressed. MIL-STD-2045-47001 covers layer 7 (application), while MIL-STD-188-220 covers layers 1 through 3 (physical,data link, andnetwork).
This article incorporatespublic domain material fromFederal Standard 1037C.General Services Administration. Archived fromthe original on 2022-01-22. (in support ofMIL-STD-188).
