Startechcom cat5e rj45 modular inline coupler ff startechcom rj45coup10pk the startechcom rj45coup10pk 10 pack of rj45 inline couplers offers a cost effective option when you have multiple short cat5e patch cables and you need to create longer connections between your networking devices at a lower cost per unit these rj45 couplers extend the length of your existing ethernet cables a perfect solution for schools and other organizations to avoid the cost of additional cablesbacked by