What’s Up With All These USB Connectors?

The number and type of USB connectors grow with the new technology in our radios, computers, adaptors, interface devices, etc. Here’s a quick visual guide, plus a link to more.

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[a\_b\_c\_ports\_combined.pdf](/media/blog/2025-05-27/a_b_c_ports_combined.pdf “blog:2025-05-27:a_b_c_ports_combined.pdf (1.2 MB)”) [A Complete USB Guide](https://uk.rs-online.com/web/content/discovery/ideas-and-advice/usb-connectors-guide “https://uk.rs-online.com/web/content/discovery/ideas-and-advice/usb-connectors-guide”)