5pcs Tool-Free Telephone Module RJ11 Network CAT3 Voice Gold-Plated Keystone Features: Telephone jack module designed for voice communication wiring quad-core module, module structure of reference data, transmission performance is more stable. Brand: INVOMEN Model: LI-C3-UM0890TM Specifications: 90 degree wire Material: Flame-retardant PC phosphor bronze contact Technology: Assembly Scope: Cabinet wiring network cabling projects Specifications: 1, IDC for nickel-plated phosphor bronze, can be connected with a diameter of 0.4 ~ 0.6 mm. 2, Card access repetitions > 250 times 3, Sockets mating cycles ≥750 times 4 Dielectric strength DC1000V / (AC700V) 1 minute without breakdown 5, Contact pin plating tin or copper 6, Plastic material: PC / PPO 7, Gold 3u-50u, according to customer requirements, this piece is a 3u module Package includes: (Without retail package) 5 x Tool-Free Telephone Modules