Miami-Dade: Interference Compromising 6 GHz Network
Representatives from Miami-Dade County and APCO asked for help from the FCC, alleging interference in the 6 GHz band is keeping the county from using a new communications system. “Miami-Dade cannot fully utilize its new 6 GHz microwave system for…
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the life-safety communications it was designed for until the interference is resolved,” said a filing posted Tuesday in docket 18-295. Officials met with staff from the Enforcement and Public Safety bureaus. An investigation tied the interference to part 15 devices used in an enterprise system managed by CitySpan, the filing said: “Interference … was causing a significant increase in noise floor and reduction in receiver threshold for the microwave links impacted. Identifying the source of interference was particularly difficult because the device’s frequency hopping made the interference inconsistent.” San Francisco-based CitySpan didn’t comment.