Description: Telephone socket module, four-core wiring module dedicated to voice communication, structure reference data module, making transmission performance more stable IDC wire column phosphor bronze is nickel-plated, and the wiring diameter is 0.4~0.6mm. Number of card repetitions >250 Socket insertion and removal times ? 750 times Anti-electricity DC1000V/(AC700V) 1 minute without breakdown Contact needle gold plating thickness >50U Plastic parts: PC/PPO Package Includes: 1Pcs RJ11 Telephone Socket Module