Adattatore da RJ45 a RJ11, Convertitore da Ethernet a Jack Telefono per Rete Fissa (Confezione da 2)
These two products should be used together. Connect the two RJ45 couplers with a network cable, then use two RJ45 to rj11 cables to connect the two ends of the couplers. RJ45 Female to RJ11 Male cable.