FIDO U2F Security Key


Note: This article lists the technical specifications of the FIDO U2F Security Key. If you're looking for setup instructions for your Security Key, see https://www.yubico.com/start.

The FIDO U2F Security Key is FIDO Certified and provides the U2F application which is used by many popular services including Google, Dropbox, Facebook, Github, Dashlane, Duo, and many more.

Interface

The FIDO U2F Security Key uses a USB 2.0 interface.

Applications

U2F

The U2F application can hold an unlimited number of U2F credentials and is FIDO certified.

Physical Specifications

Form Factor

Connector: USB-A
Dimensions: 18mm x 45mm x 3.3mm
Weight: 3g

Temperatures

Operational range: 0 °C to 40 °C (32 °F to 104 °F)
Storage range: -20 °C to 85 °C (-4 °F to 185 °F)

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