NextNav Disputes Conclusions in 900 MHz Interference Study
NextNav countered a recent International Bridge, Tunnel and Turnpike Association (IBTTA) study on the interference risk of the company’s proposal to reconfigure the 902-928 MHz band “to enable a high-quality, terrestrial complement” to GPS for positioning, navigation and timing (PNT)…
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services (see 2404160043). IBTTA’s assertion “that the 5G base stations NextNav’s proposal contemplates will operate at more than 600 times the power level of current operations is accurate only if one disregards the limits of base station equipment, commercial incentives, and urban power limits, and then assumes operations at the extreme outer limits of the Commission’s rules for rural areas,” said a filing posted Friday in docket 24-240. “While NextNav requested a three-watt power limit for user equipment, the vast majority of devices, including all devices that can operate inside vehicles, will have 200-milliwatt maximum conducted output power with even lower [equivalent isotropic radiated power] due to negative antenna gain,” NextNav said. The IBTTA study was filed last month at the FCC by a coalition led by the U.S. Chamber of Commerce.