The manufacture and use of Stingray type equipment is clearly in violation of Federal law and is punishable by up to ten years in prison. Two parties conspiring to infringe on a citizens civil rights. Read for yourself.
http://www.justice.gov/crt/abo...
It is also agains FCC rules with 2 years in prison on $50,000 fine.
Section 705 of the Communications Act
Section 705 of the Communications Act adds to the Federal Wiretap Act additional restrictions on the unauthorized interception of communication "by wire or radio." Specifically, the Act provides
No person not being authorized by the sender shall intercept any radio communication and divulge or publish the existence, contents, substance, purport, effect, or meaning of such intercepted communication to any person. No person not being entitled thereto shall receive or assist in receiving any interstate or foreign communication by radio and use such communication (or any information therein contained) for his own benefit or for the benefit of another not entitled thereto. No person having received any intercepted radio communication or having become acquainted with the contents, substance, purport, effect, or meaning of such communication (or any part thereof) knowing that such communication was intercepted, shall divulge or publish the existence, contents, substance, purport, effect, or meaning of such communication (or any part thereof) or use such communication (or any information therein contained) for his own benefit or for the benefit of another not entitled thereto.Violations of Section 705 carry strict penalties, with willful violations "for purposes of direct or indirect commercial advantage or private financial gain" meriting fines of up to $50,000 and prison for up to two years for the first offense.