Odedo 3 pieces LSA connection module for Cat 7 and Cat 6A (also Cat 6, 5e) with instructions, LSA connector for and extending network cable and installation cable, connection box : Amazon.co.uk:
Linkwylan Cat6A Cat7 Cable Extender Junction Adapter Connection Box RJ45 Lan Cable Extension Connector Full Shielded Toolless – Deals Cutter
NASTAKO 8Pin CAT7 600MHz Junction Box / LSA to LSA Connection Box / RJ45 Extention Box plastic Black - buy at the price of $10.99 in aliexpress.com | imall.com
Cat 7 shielded connection box (IP67)
CAT6 & 7 Patchkabels (US)
China Cat. 5e Cat. 6 RJ45 Cable Box Connection Box - China Cat. 6 Connection Box, Cat. 5e Connection Box
DN-93907-1: Digitus Junction Box Cat7. STP. LSA. Black | Convena.com