[saden1]

Originally Posted by jsarno

Here is one I am thinking about buying...any thoughts???
RMR-C450 NEW radar laser detector and jammer

Stay away:

Rocky Mountain Radar RMR-C450 ($269.95)

Rocky Mountain Radar receives credit for inventing the bogus radar jammer, an event we were the first to inform the world about well over a decade ago. (Automobile magazine, “The Little Jammer That Couldn’t”, June 1993). Then they introduced the bogus laser jammer, which we amply documented in stories for Automobile, the BMW Roundel, Car Audio and Electronics, AUTOTronics and a host of other magazines, both here and abroad.

More recently, Rocky Mountain Radar hooked up with a Korean manufacturer of cheap radar detectors and bingo, here’s the RMR-C450, a radar detector that RMR claims can also magically jam all radar and lasers. When introduced, it was known as the RMR-D450. Rocky Mountain Radar has a long history of immediately renaming their products as soon as word spreads in the media that they’re ineffective. (Within weeks of my 1993 Automobile story hitting the newsstands, they’d already relabeled each of their products.) This strategy also gives them what appears to be a broad product lineup, despite the fact that all of their working models (the jammer-only models are complete hoaxes) are based on only three platforms, meaning that six to eight models can be identical inside, differing only in appearance.

The jamming ability of the Rocky Mountain Radar RMR-C450 (or RMR-D450, take your pick; it's the same box) was nonexistent, failing entirely to jam any of the guns. (If you’re truly curious, open its case; you won’t find anything inside that’s remotely capable of jamming anything.)

We did find, however, that by removing the Rocky Mountain Radar RMR-C450 from the dash and substituting its cardboard box, a slight reduction in maximum laser target range was achieved.

If you’re looking for a less expensive alternative, Rocky Mountain Radar offers the Phazer II ($179.95), priced lower because it’s not a detector and claims only to be a jammer. But having tested the Phazer, both the original and the Phazer II (look for a Phazer III not long after this story comes out), we can say with complete assurance that it jams absolutely nothing.

Bottom line: Save money: put an empty cardboard box on your dash instead.

Rating: no stars