NBM - Broadband Availability by US Census Blocks
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https://data.geospatialhub.org/datasets/5feba2ed227d487795caaffec55e61f9_0
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This layer represents the National Telecommunications Information Administration (NTIA) State Broadband Data Development Program (SBDD) area of broadband availability. Area of broadband availability refers to those individual US Census Blocks, less than 2 square miles, where each facilities-based provider of broadband service can provide broadband services of minimal characteristics within 7 - 10 business days.
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{{source}}创建时间：
2017-08-17
