https://www.asmag.com/project/micron_edge_storage_for_video_security/
Product Info
GPs jammer

GPs jammer

Pacino Electric Co. Ltd
Region: China
Update: 04/14/2008
Key Specifications
 Anti-tracker knocks out GPS logging or tracking systems that may be operating on your vehicle

 Interception frequency: world GPS satellite special channel L1

https://www.asmag.com/project/micron_edge_storage_for_video_security/