Do different bands only work certain directions?

Jhernan488

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Okay, so how do the bands work?
So can a cop get you with k band while driving behind you? Or do they have to use KA for that? Does ka work toward and away from the cop? Also k band?

What directions the the bands work?

I have the r7. I have the option to mute k band behind me. And someone on a forum was saying mute it as k band won't work behind me????
 

Signal Environment

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And someone on a forum was saying mute it as k band won't work behind me????
They are incorrect.

Bands have nothing to do with direction. Cops can clock your speed from ahead with any band. Cops can clock your speed from behind with any band. There is no meaningful relation between band and direction.

"Band" simply refers to the frequency that the radar gun transmits.

Muting K band from the rear is an option because of two things:

1) Alerts from ahead (on any band) are generally considered more threatening. You haven't seen what's ahead yet. If the alert is behind you, you may already be safely past it.

2) K band is the most annoying band right now. It is home to a lot of false alert sources, but also plenty of genuine police radar.

By contrast, Ka has much fewer falses. And X is very rarely real police radar.
 

sdrawkcaB

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Band
designation
Frequency range
L1 to 2 GHz
S2 to 4 GHz
C4 to 8 GHz
X8 to 12 GHz
Ku12 to 18 GHz
K18 to 27 GHz
Ka27 to 40 GHz
V40 to 75 GHz
W75 to 110 GHz
 

9C1Driver

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Okay, so how do the bands work?
So can a cop get you with k band while driving behind you? Or do they have to use KA for that? Does ka work toward and away from the cop? Also k band?

What directions the the bands work?

I have the r7. I have the option to mute k band behind me. And someone on a forum was saying mute it as k band won't work behind me????
And then to add to this, there are only certain moving radar guns that can clock a vehicle in the same direction. This has nothing to do with the band. The majority of the time an officer comming up behind you running moving radar is clocking oncoming traffic not you. A stationary radar gun can clock cars approaching and going away from the gun.
 

MASI

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Bands are merely a set of frequency ranges in which the device operates. LE can use any device operating in any band to measure your speed from front or behind.
 

westwind77

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I have the r7. I have the option to mute k band behind me. And someone on a forum was saying mute it as k band won't work behind me????
As said above it will indeed work from behind just as well as in front.

On two lane roads BSM's can briefly punch through as an oncoming vehicles pass you, which can be annoying, and one of the reasons that options exists. Before Escort updated their BSM filtering on the Max360 I would constantly get rear K-band BSM alerts, and they did not have the option to mute on the rear. The R7 has decent filtering, but as you will read on the forum, is in need of improvement (which they are said to be working on). There are a number of personal reasons why someone would want to mute K from the rear.....but that does not mean it is not a potential threat.
 

2018GTI

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And then to add to this, there are only certain moving radar guns that can clock a vehicle in the same direction. This has nothing to do with the band. The majority of the time an officer comming up behind you running moving radar is clocking oncoming traffic not you. A stationary radar gun can clock cars approaching and going away from the gun.
One technique is to I/O cars from behind as the LEO moves up through traffic. It can be scary if you don't have arrows!
 

Kennyc56

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Ever see a State Trooper backed up hiding in an on ramp? He ain't just sitting there looking pretty! Although they sometimes shoot laser shots from behind like this, a lot of times they are shooting you in the @ss with 34.7, 35.5 or even K band I/O! This is very deadly and only the very best detectors will give you enough advance warning as you approach this type of ambush. Even if you have arrows if you don't get it from your front arrow from a car ahead of you before the rear as you go by you'll be toast!
 
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9C1Driver

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One technique is to I/O cars from behind as the LEO moves up through traffic. It can be scary if you don't have arrows!
Yes but the officer will have to have a moving radar gun that has the same lane same direction feature. Not all radar guns have this capability.
 

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