Unshielded in plastic housingThe couplers are able to extend Cat. 6 cables8 contacts, 1:1 connected
Shielded in metal housingThe coupler is able to extend Cat.6 cablesBest transmission characteristics for pair combination 1/2 and 3/6 (as used by all ethernet versions)8 contacts, 1:1 connected
Unshielded RJ-45 coupler for extending Cat.6 twisted pair cablesKeystone version8 contacts, 1:1 connectedPlastic housingColour: black
Shielded RJ-45 coupler for extending Cat.6 Twisted Pair cablesKeystone version8 contacts, 1:1 connectedMetal housing