Rocky Mountain Radar RMR-C430 - Manual (Page 7)

SPECIFICATIONS:
Radar Scrambler:
Frequencies: 8.0-38.2 GHz
Antenna: Dual ridge cast waveguide
Mixer: Custom MM wave Schottky
Doppler: Pseudo Random Digital Noise
Lidar Scrambler:
Full laser coverage using asynchronous pulse
position modulation to confuse the lidar computer.
How does it work?
The Rocky Mountain Radar scramblers are full-
featured radar and laser scramblers combining active
laser and passive radar scrambling capabilities.
The radar scrambling circuit mixes Pseudo Random
Digital Noise (PRDN) 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 readings before it will display
your speed. All the different speeds contained in the
White Noise confuse the computer in the radar gun
so it does not display any speed. This effect
duplicates the normal operation the officer often
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.
The laser scrambling circuit transmits a series of
pulses at the same wavelength used by the police
laser guns (Lidar), which are electronically timed at
about 100 feet apart. When the pulses pass through
the windshield they can lose up to 50% of their
power. The power output is 6 to 10 times that
needed to trigger the detector in the laser gun. 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. 7