2-CH UART To Ethernet Converter Module, Bi-direction Serial Port Transparent Transmission between UART TTL and RJ45,802.3-compliant (RS485 TO LTE CAT4 (EU)) : Amazon.co.uk: Electronics & Photo
RS PRO | RS PRO Female Cat4 RJ45 Connector | 144-2247 | RS Components
TNP Ethernet Patch Panel Cat6 24 Port RJ45 Wall Mount & Rack Mount Keystone Jack Module Multimedia Network Wire Cabling ? Compatible with Cat5e, Cat5 Cat4 Cat3 & Below : Amazon.co.uk: Computers