the original Fuzzbuster 2, was actually and Escort in disguise

Car and Driver magazine noticed in 1979 that the Fuzzbuster 2 worked identically to the best radar detector on the market that year, the Escort, made by Cincinnati Electronics. So they opened one up, and found an Escort inside it.

Mentioned in the 60th anniversary issue of Car and Driver, page 90

FYI, there is an online Radar Detector Museum http://www.radardetectormuseum.com/