For use with different unshielded keystone based third-party faceplates with 20.3mm height cut-out. Can be fitted with R&M special Cat. 6/6A EL & ISO modules.
More efficiencyIntegration in outlets from different manufacturersMore flexibilityBridges a wide range of cutout dimensions 100% locking onto module by click systemMore securityHolds in different front plate thicknesses due to built-in spring mechanism