Panel Mount Ethernet - RJ45 Male to RJ45 Female | The Pi Hut
RS PRO Cat5e Male RJ45 to Female RJ45 Ethernet Cable, STP Shield, Grey, 200mm | RS
CERRXIAN RJ45 adapter cable (Y type) RJ45 A male pair two female network adapters (30CM) can be used to switch networks between two computers (not used as a network splitter) : Amazon.co.uk:
Gigabit Ethernet Adapter USB A Male to RJ45 Female Black
Cat8 SuperSpeed 40Gbps RJ45 Network Extender Male to Female LAN Extens
3.5mm 4 Pole TRRS Female to RJ45 Socket Ethernet Audio Cable 0.2m
Connection Female to Female RJ45 Ethernet Cable Adapter on OnBuy
HTGuoji RJ45 Adapter Cable RJ45 Male to Dual Female Adapter Extender Support Ethernet Cat 5/CAT 6 LAN for switching networks between two computers 20 cm (not used as a network splitter) :