-UTP For Network Cabling, Structured Cabling, And Telecom, RJ45 Jack Contact, Phosphor Bronze, Nickel-Plate With Gold-Plating, -Housing: ABS, UL94V-2, Insertion Force:900G For Eight Contacts, Retention Strength:7.7kg Between Jack And Plug, Operation Temperature:-40 To 80 Degree Celsius, Durability: Jack 750 Cycles Plug-Jack Mating And Unmating Test, Insertion Cycles At 20 Cycles/Minute Maximum, VSPD: UTP Connectors.