Providers Reminded on New E9-1-1 Outdoor Location Accuracy Requirements
Wednesday, January 09, 2019 | Comments

The FCC reminded commercial mobile radio service (CMRS) providers of the Jan. 18 deadline for certain E9-1-1 Phase II requirements applicable to CMRS providers that deploy network-based and handset-based E9-1-1 location accuracy technologies.

The deadline was established in the 2010 E911 location accuracy rules requiring CMRS providers to meet location accuracy standards for outdoor wireless 9-1-1 calls at either a county- or public-safety answering point (PSAP)-based geographic level. These Phase II requirements are separate from and in addition to the subsequent indoor-focused location accuracy requirements that the FCC adopted in January 2015.

As of Jan. 18, CMRS providers deploying network-based technologies must meet the following Phase II location accuracy standards for outdoor 9-1-1 calls:
• 300 meters for 90 percent of calls (increased from 80 percent), in 85 percent of counties or PSAP service areas
• All such exclusions will sunset Jan. 18.

As of Jan. 18, CMRS providers deploying handset-based technologies must meet the following Phase II location accuracy standards for outdoor 9-1-1 calls:
• 50 meters for 67 percent of calls and 150 meters for 90 percent of calls (up from 80 percent) on a per-county or per-PSAP basis
• CMRS providers using handset-based technologies may continue to exclude up to 15 percent of counties or PSAP service areas from the 150-meter requirement based on heavy forestation that limits handset-based technology accuracy in those areas.

CMRS providers must also file notice of Phase II geographic exclusions and updates reflecting any changes.

The full notice is here.

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