The RJ45 Inline Coupler is an extremely handy coupler to extend your cables. Link several patch cables together or extend your existing modular cable runs. These in-line couplers provide female-to-female straight through connections to connect two Ethernet cables or crossover connections to connect two telephone cables. ABS Moulding case, with gold plated contacts and is ivory in colour.
Connector: RJ-45 Female to RJ-45 Female
Refer to above PDF Data sheet