Application: Phone Line System | Brand Name: Monster | Color: WHITE | Digital: No | HDMI: No | Number in Package: 1 pk | Packaging Type: Carded | Sub Brand: Just Hook It Up | UL Listed: Yes The category 3 voice grade jack keystone insert is used to install phone or fax machine. This RJ25 jack is a 90 degree 110 style IDC jack and UL listed. Use category 3 wire for proper installation. It can easily be mounted into a keystone wall plate or surface mount box. | RJ25, category 3 IDC Jack | 6 position, 6 conductor (6P, 6C) | Use for phone, fax and modem | Allows for connection up to 3 separate lines | Use with category 3 or standard 4-conductor telephone station wire | Mounts easily into a keystone wall plate