
Originally Posted by
ezaircon4jc
Got one in late 70's. I don't remember the brand, but that thing was about 3"x3"x4"! It was HUGE! It had a small speaker, a hole actually, in the top center. I remember when automatic door openers got prolific I just put it on the shelf. I finally threw it out a year or so ago. This is about what I had minus the on/off switch and "mode" selection:

OMG! I had one of those too!!! Some protection on X band against the ever powerful MR-7. I got my first RD in 1979. It was a Road Patrol (Radio Shack) XK. Not bad for a passive unit. It was actually better than the Micro Scan. X band predominated for awhile. The Kustom MR7 did not have instant on, but shortly thereafter the K-55 X band came out. It was low powered, had instant on and was harder to detect. But the CMI Escort (thanks to Mike V) made quick work of the K-55.
There were plenty of false alerts, but they were all X band and the passive RDs could not pick them up as far away.
K band was being used more and more in the early 80s. The GUL Micro Scan was horrible against K band, specifically the Kustom KR-11 K band radar. It could only pick up the KR-11 within a 200-300 ft. The Radio Shack was not so good against it either. That was when I invested in the CMI Escort. Needless to say, it was a night and day difference! It picked up the door openers from a longer distance, but that was the price for good sensitivity! My first X band trap with it was a Wisconsin State Trooper running an MR-7, and I picked it up 3-4 miles away!
Constant on X band! Life was good!
GTO_04
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