Purpose: The purpose of the this knowledge base document is to explain the potential interference caused by ports such as USB3.0 in interfering with satellite line of sight (LOS).
Last Updated: March, 2020
High-frequency devices, like high-speed processors or high-speed communication buses (say, USB3 or PCIExpress) are known to produce electromagnetic interference (EMI) in the 1.2 – 1.5 GHz range, where all GNSS signals reside.
