Before 1965 only separate battalions and regiments were allowed to wear unit crests. Now virtually every unit in the army has a Distinguished Unit Insignia (Unit Crest). Unit Crests for Non-Uniform Wear. More and more we are asked to provide miniature unit crests. These are popular as inexpensive but valued presentation items.
F connector. From Wikipedia, the free encyclopedia. The F connector is a coaxial RF connector commonly used for over the air terrestrial television, cable television and universally for satellite television and cable modems, usually with RG-6/U cable or, in older installations, with RG-59/U cable.
The 2.5 mm ferrule was also used in the FDDI and ESCON connectors, both named for the systems for which they were designed. FDDI IBM ESCON. The next confusing nomenclature for fiber optic connectors came from the polishing of the end of the ferrule, giving us âPC,â âUltra PCâ or âSuper PCâ and âAPCâ connectors.