RJ45-CAT6 2UNI: 2-way RJ45 junction box, cat. 6, surface - flush-mounted at reichelt elektronik
Amazon.com: RJ45 Surface Mount Box, 2Pcs RJ45 Surface Mount Box Cat6 Ethernet Single Port Desktop Information Network Junction Boxes in White, Computer Cables : Electronics
Black Box Value Line CAT6 - modular insert - CAT6J-BK-25PAK - Patch Panels - CDW.com
Monoprice UL Listed 1-Port Cat6 RJ45 Surface Mount Box, Dual IDC, 50u, White, TAA, No Logo - Monoprice.com
RJ45 Modular Surface Mount Box - White | ShowMeCables.com