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  #1  
Old July 10th, 2009
Jim_Z Jim_Z is offline
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Default ZR4 Performance

I have reviewed the Guys of Lidar test report from 2008 that appears to be well done. I am concerned about the overall performance of the ZR4s as compared to other available Laser jamming devices and overall protection from Laser tickets. As always there are many factors in what I ultimately buy such as cost, installation means etc. However, the results from the report appears to indicate in must reasonable cases that the ZR-4s don't offer much protection at all in real world ranges the drivers or riders may experience. Other factors need to be considered as the target vehicle was very difficult to protect with it's large frontal area, large headlights and light color. But I am now taking a step backwards from investing in a ZR4 based system and looking at other more effective solutions.
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Last edited by Jim_Z; July 10th, 2009 at 01:46 PM.
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  #2  
Old July 10th, 2009
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MEM-TEK MEM-TEK is offline
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What make, year, model and color car do you have? Keep in mind that the Chevy HHR used by GOL was both white and covered with chrome all over the front of it, and there were numerous points on the chrome which were either angled or had rolled edges such that the chrome would send a direct return back towards the lidar gun. Also keep in mind that the laser guns in the GOL test were shot very steadily atop a tripod, making it much easier for the laser guns to get punch-throughs. Still, based on your car specs, I will try to give you an honest opinion for how the ZR4 should perform on your vehicle. Finally, keep in mind that the ZR4 is more effective against some laser guns versus others. So it would help to know what state you live in too.

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  #3  
Old July 10th, 2009
TSi+WRX TSi+WRX is offline
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^ +1.

Vehicle profile as well as the "versus" LIDAR hardware has a lot to do with this equation.

Also:

Quote:
Originally Posted by Jim_Z View Post
IHowever, the results from the report appears to indicate in must reasonable cases that the ZR-4s don't offer much protection at all in real world ranges the drivers or riders may experience.
^ This truly, in my experience, depends highly on where you live and drive through.

Here in NE-Ohio, we do see quite a bit of extreme-close-range encounters on local surface streets (< 400 ft.; and on the highway, initial engagement at less than 700 ft. have been documented by fellow hobbyist, too), and indeed, at these ranges, versus specific equipment (see MEM-TEK's statement above regarding specific hardware), yes, the ZR4 could be at a severe disadvantage.

But in the vast majority of cases, across the roads, Stateside, encounter scenarios are not this unfavorable, and truthfully, the ZR4 will work well.

Between 2003 and 2006, when I used, exclusively, the ZR3, the forerunner of the ZR4, I never had any problems in any "real world" situations.
[ I'm discounting anything from second-quarter, 2006, to-current as I now utilize more than one primary LIDAR countermeasure. ]

Again, as MEM-TEK requested, if you could share a bit more of your usage profile, we should be able to better help you decide if the ZR4 is truly right for you.
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  #4  
Old July 10th, 2009
Jim_Z Jim_Z is offline
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The Guys of Lidar ('08) report is here:
http://www.guysoflidar.com/july-2008...mmer-test.html
What strikes me immediately is how the ZR4s are ineffective in most every case with every type of Ladar.
I'm sure there are situations where they would be more effective but in most every case I would be better off buying a competitors device.
Currently I am considering installing this on my Motorcycle which I drive out of my home state (Washington State) often. This includes at least one long distant trip a year- either Ca or the Southwest, Midwest, etc.
The test results from the Guys of Lidar are a function of where you drive and what you are trying to protect but looking at these results I don't see much room for discussion. e.g. a more stealthy vehicle would improve the ZR4s performance but would also benefit the others. Looking at the total package of the 9500ci itís not a bad investment from an RF performance standpoint. I have been experiencing more and more Laser encounters and when I went to look at test results this report was shocking.
Is there other reviews that show ZR4's performance?
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  #5  
Old July 10th, 2009
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EscortRadar EscortRadar is offline
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Here are a couple, I'm sure there are many more:

http://www.radarroy.com/2008/05/esco...rience-review/

http://www.speedtraphunter.net/radar...tection-2.html

I am aware of the negative thoughts of the ZR4 by some but I have had nothing but saves with mine in OH, KY, IN, TN, and SC. My ZR4 is a early pilot production unit (exactly the same as new, just was the first batch mass produced) and has stood the test of time through several hot, cold, and wet weather cycles.

A really nice feature that nobody else can offer is the integration of the system with a Escort or Beltronics radar detector. The ZR4 mute button then takes over the mute functions of the radar detector.

We offer a 30 day money back guarantee on the ZR4, for parts not damaged from improper installation, so you are welcome to try one for yourself and see if you think it is a worthy unit.
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  #6  
Old July 10th, 2009
Jim_Z Jim_Z is offline
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Thanks for the responses!
Thanks for all the info to consider. Meanwhile I will keep my SR1, 8500, x50, 9500i and 95001ix in my vehicles every vigilant!
Jim
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  #7  
Old July 10th, 2009
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MEM-TEK MEM-TEK is offline
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The ZR4 works rather well on smaller to mid sized cars which don't have lots of chrome up front and which have darker color schemes. An optimal installation is key. Heck, a few weeks ago I JTG'd a GSP and my car is painted metallic gold. Yep, I forgot to double tap the mute button on my 9500ci to kill the shifters. The GSP officer shot my car until I passed him.
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  #8  
Old July 10th, 2009
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Bad bad MEM-TEK!
No JTG!
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  #9  
Old July 10th, 2009
speedfreak speedfreak is offline
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Really looking forward to improvements when the ZR5's are released. (I know you can't admit it, but I'm quite sure you're working on a successor to the ZR4's.)
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  #10  
Old July 10th, 2009
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Quote:
Originally Posted by Jim_Z View Post
Thanks for the responses!
Thanks for all the info to consider. Meanwhile I will keep my SR1, 8500, x50, 9500i and 95001ix in my vehicles every vigilant!
Jim
Thank you for all of your business!
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