The list of U.S. government cell monitoring equipment

https://theintercept.com/2015/12/17/a-secret-catalogue-of-government-gear-for-spying-on-your-cellphone/

THE INTERCEPT HAS OBTAINED a secret, internal U.S. government catalogue of dozens of cellphone surveillance devices used by the military and by intelligence agencies. The document, thick with previously undisclosed information, also offers rare insight into the spying capabilities of federal law enforcement and local police inside the United States.

More at the link at top.