Welcome to the PHNX Technologies White Space Database for the USA.

Use the following links to register an entity for protection from interference from white space devices.

Use the following link to register an unlicensed wireless microphone in order for it to query the white space database for available spectrum.

Use the following link to determine available spectrum at a specific location for a specific type of white space device or unlicensed wireless microphone.

Use the following link to download publicly available White Space Database data.