When I took off the Blinder M20 to film the Laser Mimic laser jammer test videos I noticed that on the M20, near the serial number, is a revision number. What revision numbers do you guys have on your M20? When I get home I'll take a picture of the back of the tranponders and show you guys what revision number I have. Maybe this will explain why the stealth mode wasn't detected or jammed with my M20. If I got an older version number then surely that will close the case on the subject. If we all have the same version numbers then it looks like we can assume my M20 was just defective until I buy a new one to test real soon.
I hope everyone on this board will take the time to look at the back of your Blinder m20 to see what version you have. This will be interesting to see if there are indeed different models of the M20. Leon at Blinder said he didn't get any shipments of "older model" m20's, so I doubt we'll get different numbers....we'll see.