Major US carriers are exaggerating the availability of fixed wireless services and leaving under-served communities at risk of missing out on billions in federal funding that would pay for improved services. "With these new maps, the FCC has integrated the information from broadband providers with hundreds of location-specific data sources, giving us a far more detailed and accurate picture of fixed broadband availability. "We have heard from constituents, state and local governments, and service providers alike of continuing concerns about the accuracy of the maps, ranging from persistent issues with missing or incorrect serviceable locations to potentially overstated claims of coverage by providers," the senators wrote in a letter to the FCC