The MicroConnect Keystone Module KEYSTONE-12 is a female keystone coupler designed for network and LAN installations. It features two female RJ45 8P8C sockets and is used to connect two network cables. This Cat6a STP modular coupler has a metal casing for increased durability and reliability during installation. Keystone modules are typically mounted on wall plates or patch panels, making them suitable for structured cabling applications where secure connections are required.