NBM - Wireless Availability
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资源简介：
This layer represents the National Telecommunications Information Administration (NTIA) State Broadband Data Development Program (SBDD) wireless broadband availability. The areas defined in this data are for those facilities-based providers of wireless broadband service that is not address specific (e.g., nomadic, terrestrial mobile wireless, or satellite) and depict areas in which broadband service is available to end users.
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{{source}}创建时间：
2017-08-17
