Tool-Free RJ11 CAT3 Network Voice Keystone Telephone Modules. Features: Dedicated telephone jack module for voice communication cables, quad-core module, module structure for reference data, more stable transmission performance. INVOMEN Model: LI-C3-UM0890TM. Specifications: 90-degree cable. Material: Flame-retardant PC, phosphor bronze connector. Technology: Assembly. Application: Network cabling projects in electrical cabinets. Specifications: 1. IDC for set pin, nickel-plated phosphor bronze, supports cable diameter from 0.4 to 0.6 mm. 2. Card access repeats >250 times. 3. Jack mating cycles 750 times. 4. Dielectric strength DC1000V/(AC700V) 1 minute without breakdown. 5. Tin-plated or copper-plated contact pins. 6. Plastic material: PC/PPO. 7. Gold from 3u to 50u, according to customer requirements; this unit is a 3u module. Package includes: (No retail packaging) 5 x Tool-less telephone modules.