"is unlawful for any person to use an electronic GPS device to track someone without consent. Stalking is a course of conduct where someone uses a GPS tracker to monitor someone without their consent. It is unlawful for any person to use an electronic GPS device to track someone without consent..."

"It is an offense for a person to knowingly install, conceal, or otherwise place or use an electronic tracking device in or on a motor vehicle without the consent of the operator and all occupants of the vehicle for the purpose of monitoring or following the operator, occupant, or occupants of the vehicle"

Google results show that it is in fact ILLEGAL lol