this post was submitted on 04 Sep 2025
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The why is related to the bandwidth you can pass through each cable.
Also analog vs digital. Analog is a lot more tolerant of signal noise so if you have a frayed landline phone cord, it will still work but be staticy, but a frayed USB cable won't work for data.
No, you can get USB 2.0 speed through 2 wire phone cable as long as you have supplementary power.
The actual reason is the ampacity of the wires. Phone wires are 24 or or 26 gauge, so they can't carry the full current load of USB without melting
Hum... Yes, that is an issue too, but I don't think the OP's complaint is about USB 2.0 cables.
Or, at least, my old micro-USB cables take way more beating than any telephone I ever had, and they are almost all perfectly fine. I don't know if the largest issue is the shielding, wire thickness, or the width of the USB-C connector, but all of those play some part.
good idea. I wanna connect usb to a phone cable. oh wait, where to get a phone cable?