signal - Why does a female-female coupler break the USB-C standard

I'm working on a project which uses a PCBA which basically acts as a USB-C extension. It has 2 USB-C receptacles (female) connectors. The mapping between the two receptacles is one to one. The pair

DIY USB cables and how USB Type C is wired

One thing that is common among all the various USB Type-A and Type-B connectors is that they are all asymmetrical, which means that there is a top and a bottom, as anyone who has fumbled around trying to insert a USB cable by feel can attest. The old USB standards are also relatively slow and can carry very little charging power. The USB 3.1 standard introduces the new symmetrical/reversible Type-C connector.

Monoprice Select Series USB-C to Gigabit Ethernet Adapter

usb host - USB 3 female connector and signal assignment from TYPE

What is USB-A vs USB-C? What is the Difference? – Premio Inc

CASE FRIENDLY, the shortest USB C extender in the market with only 0.89 inches/ 22.5mm in length. It helps you to snugly connect any USB C peripherals

Afterplug USB C Extender [2 Pack], USB C Male to USB C Female Adapter, Thunderbolt 3/4 Extension up to 40Gbps, 8K@60Hz Video, 240W PD, for USB C

It's just another adapter until your wireless network isnt fast or reliable enough. The Best Buy essentials BE-PA2CEW23 USB-C to Ethernet Adapter enables high-speed internet access to USB-C devices. Up to 1 Gbps high-speed data transfers and fast connectivity are ideal for gaming and improved web browsing. Backed by Best Buy, our plug-and-play technology ensures a simple and effortless connection. And a compact design makes this adapter easy to carry and take on the go.