RJ45 to COM female as pictured. 2 x RJ45 to COM Adaptor.
eBay
2.5G Intel i226 PCIE To RJ45 Network Card 100/1000/2500Mbps RJ45 Interface LAN Etherent Gigabit Adapter For PC/Desktop For Win
Aliexpress UK
Connector: RJ45 Male to 9 Pin RS232 Female. RJ45 Male Up Angle to Female Extension Cat5 Cat6 Lan Network Ethernet Adapter. RJ45 Male to Female Panel Mount CAT6/5e/5 Network LAN Ethernet Cable Down Angle.
eBay
5000Mbps PCI-E to RJ45 Network Card Realtek 8126 1G/2.5G/5G RJ45 Interface Gigabit Ethernet PCI Express X1 X4 X8 X16 Adapter
Aliexpress UK
DB 9Pin RS232 Serial To RJ45 CAT5 Ethernet. Connector: RJ45 Male to 9 Pin RS232 Female. Connector A: RJ45 (male). Adapter LAN Console Cable. Connect from a port on your laptop directly to a console port, no adapter required.
eBay
10/100/1000Mbps USB 3.0 Wired Network Card USB to RJ45 Type C to RJ45 LAN Ethernet Adapter for PC Macbook Windows Laptop
Aliexpress UK
SKU: 004267 BRAND: kenable EAN: 5055383442676 WEIGHT: 0.02.
eBay
Kebidu Micro USB To RJ45 Network Card 10/100Mbps RJ45 Ethernet Micro USB 2.0 Lan Cable Adapter For Android PC Laptop Tablets
Aliexpress UK
1x 9Pin RS232 Serial to Cat 5 RJ45 Ethernet Adapter. ✔️ Connector: RJ45 Male to 9 Pin RS232 Female. ✔️ DB9 male to RJ45 male connector cable for TCP/IP network interface doual-way conversion, with the serial port network function, support serial data and network data bi-directional transparent transmission.
eBay
1000Mbps PCIE To RJ45 Network Card RJ45 PCI Express Converter 10/100/1000Mbps LAN Etherent Gigabit Adapter PCIe For PC Desktop
Aliexpress UK
eBay
5Gbps Pcie to RJ45 Network Card Realtek 8126 100Mbps/1G/2.5G/5G RJ45 Interface Gigabit Ethernet PCI Express X1 X4 X8 X16 Adapter
Aliexpress UK
Cisco Adapter Serial Adapter Rj-45 Ethernet To Mini USB-Type B CAB-CON-USBRJ455= The Cisco Micro USB to RJ-45 Console Cable Adapter is designed to allow a computer terminal with a serial Micro USB port to connect to the RJ-45 console port of a router for configuration. Compatible with Cisco 1101 and 1109 Integrated Service Routers, USB Ethernet cable adapter allows traditional, light blue RJ-45 serial console cables to be used with computers that do not accept this plug type. Specifications Product Description: Cisco Console Adapter - serial adapter - RJ-45 to mini-USB Type B Type: Serial adapter Connector: RJ-45 - female Connector (Second End): Mini-USB Type B - male Designed For: Integrated Services Router 1101, 1109.
eBay
100/1000Mbps Ethernet Adapter USB 3.0 Type C RJ45 Wired Network Card For PC Laptop Desktop USB Gigabit RJ45 Lan Internet Cable
Aliexpress UK
Connector: RJ45 Male to 9 Pin RS232 Female. Connect from a port on your laptop directly to a console port, No adapter required.
eBay
Vention New! 1000Mbps USB A C RJ45 Network Card USB Lan RJ45 Ethernet Adapter for MacBook Laptop Xiaomi Switch Windows USB Lan
Aliexpress UK