For a coax run servicing my cable modem, should I be looking for coax couplers that have a specific GHz rating? I’ve seen a couple of mentions that DOCSIS 3.1 makes us of 1.2 GHz of spectrum on ...

Product Features. VCE RG6 Coupler for extending the length of RG6 coaxial cables; RG6 F Type Female coaxial couplers provides spare or replaceable adapters to use on different audio systems.