USB Extension Cable: A cable with a male USB connector on one end and a female port on the other, designed to extend the reach of a standard USB cable physically.

Active Cable: Contains internal circuitry to boost the data signal, allowing for reliable extension beyond the passive length limit (typically over 3-5 meters).

AWG (American Wire Gauge): The standard for measuring cable conductor thickness. A lower AWG number indicates thicker wires, which offer less power loss over longer distances.

Passive Cable: A basic extension with no electronic components. It is limited in length (usually to 3 meters for USB 2.0, shorter for USB 3.0+) before signal degradation occurs.

Shielding: A protective layer (often foil or braiding) inside the cable that minimizes electromagnetic interference (EMI), ensuring stable data transmission.

Signal Integrity: The preservation of data quality during transmission. Degradation over long or poor-quality extensions can cause slow transfers or device malfunctions.

USB 2.0/3.0/3.1/3.2: USB generation standards denoting maximum data transfer speeds and power delivery capabilities. Higher versions require higher-quality cables to maintain performance when extended.

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