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Phazer II
Rocky Mountain Radar Detector Phazer II RMR-S201

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A low-cost Radar Laser Jammer!
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ONLY ! $179.95 

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A low-cost Radar Laser Jammer!
The Phazer II will make your car invisible to both radar and laser. This product performs so well that the manufacture backs it with 1 year ticket rebate guarantee. Which means “you get a ticket, the manufacturer will pay it” (certain restrictions do apply, see ticket rebate for details).

The engineers at Rocky Mountain Radar have taken their well- respected phantom cloaking technology and made a radar laser jammer for the person who already has the detector. This unit will work in conjunction with your existing radar detector, you will not only be able to detect, but you will be invisible to police radar and laser. The radar component works simply by mixing an X, K, or KA radar signal with a FM “chirp” and bouncing it back at the police radar by way of a wave-guided antenna, effectively confusing the computer inside the radar gun. The laser component transmits an infrared beam that has the same affect on laser lidar units.


  • Jams radar ( X, K, and KA)
  • Jams all Laser (lidar)
  • All units are brand new from the factory
  • 100% FCC Legal
  • University tested
  • Manual Scrambler test
  • 12v Power Cord Included
  • 12v Jumper Cord Included
  • Window Suction Mount Kit Included
  • Covers all European Radar also
  • Worlds only All Band Scrambler
  • 12 volt accessory jack
  • Full 1 Year Ticket Rebate Program
  • Full 3 Year Manufacturers Warranty
  • Price Match Guarantee!
  • We offer an In-Stock Guarantee

Let's see what the real experts are saying:

"From the body of test data taken during the road tests of Feb. 8, 1994, it is clear that use of these passive jammers does reduce the range at which police radar units can acquire and/or maintain lock (give consistent and accurate speed values of the vehicle) and that this jamming effectiveness can be measured."
R.R.D., PhD-University of Denver.

"Conclusions of laboratory tests is the jammer will indeed jam police trafic radars at long range, allowing speeding drivers with radar detectors time to slow down before their speed can be detected."
J.S.H. - University of Northern Florida

at a distance, the jammers will have an effect on radar verification of target speed, however, within 100 feet lock on was sucessful."
State of Tennessee Department of Environment and Conservation

Rocky Mountain Radar’s New RMR-C450 is a full-featured radar and laser detector combined with active laser and passive radar scrambling capabilities.

The radar jamming circuit mixes a Doppler FM chirp with the incoming police radar signal and reflects it back to the radar gun. The computer in the radar gun must receive eight identical, consecutive reading before it will display your speed. All the different speeds contained in the FM chirp confuse the computer in the radar gun so it does not display any speed. This effect duplicates the normal operation that the officer usually sees.

Since it is normal to occasionally lose the target speed, the officer is not suspicious. Reasonable care should be used as flagrant violators could still be caught with an estimated speed.

Lidar sends out laser pulses and measures how long it takes to hit your car and come back. From the speed of light it can determine your range. It sends out several more pulses and calculates your speed from the change in distance over time. The Rocky Mountain Radar scramblers only allow the lidar to see up to 100 feet so it is unable to calculate your speed.
So in effect making your car totally in visible to all police tactics.

Please see our FAQ's page to answer many of your questions.

You Can't Catch What You Can't See!
We will not be under sold - see it cheaper somewhere else? Just give a call with the URL and we will match it!

Important information:

Rocky Mountain Radar does not condone the use of excessive speed on the highways, nor does it endorse breaking the speed limit laws of the United States of America. Please drive safely when using this or any other electronic product in your car.

Toll Free 1-800-749-9903

Data supplied by Rocky Mountain Radar*.
Order must be received by 4pm est.*
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*Price match competitor must have item in-stock.
We do not match prices of unauthorized dealers.

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