An official website of the United States government

Dot gov

Official websites use .gov

A .gov website belongs to an official government organization in the United States.

Https

Secure .gov websites use HTTPS

A lock ( ) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites. .

I should check if there's any official software that matches their description. Let's see—perhaps they're referring to a GPS navigation app? Mapa RadBr might be a localized version in some countries. Maybe it's similar to other GPS apps like OsmAnd, Locus Map, or Google Maps. If it's not widely known, suggesting alternatives could be helpful.