What is the meaning of AWG?

American Wire Gauge is a standardized wire gauge systems defining the diameters of conductive wires. As for the contact size, the higher the gauge or AWG number is, the smaller the wire diameter is.
 

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Shielded coaxial contact
Impedance Matched Coax Contacts
Signal Contacts
EN3155 Signal Contacts
Power Contacts
Octomax 1G26 Contacts
Quadrax Contacts
Twinax Contacts