Glass bends, scatters, and changes the frequency of the laser. Lidar does not use the Doppler principle, it never has. It doesn't matter anyway, because once the laser is back at the source it is too late. Jammers are illegal in many states, and most devices that cause harmful electronic interference (jammers fall into this category)are illegal without a permit according to the FCC, if I recall correctly. I do admit it has been a while since I looked up the laws concerning this and they might have changed.

 

I've seen the valentine fail on more than one occasion. The first was when the officer crossed my buddy, radar never went off, sheriff turned around pulled us over and as we stopped the valentine started going off. The reason we know the sheriff was running radar was because he stated the speed the gps was reading. Same thing happened on different occasions. One day we mounted my escort 9500i along side his valentine and had a cop friend sit down the road with his radar, the valentine wouldn't pick it up until it was too late. The escort picked up hints a mile before we even seen him.

 

The V1 was defective...

Test time and time again have proven the V1 is the best at picking up signals then any other detector on the market.

Just watch what the exotic car guys run, 90% of the time it's a V1. There is a good reason for that.

 

The V1 has some nice features, but my Beltronics has NEVER failed me. The two times I have got tickets with it was my fault. Both times it was going off and both times I was not paying attentions and introduced other things into the environment that inhibitied my ability to notice the detector yelling at me to slow down. When my Beltronics finally dies or another form of speed detecting technology comes up causing me to upgrade I will evaluate my choices, but have a really hard time swallowing the V1 pricetag.

The V1 carries a "Brand" name and has a lot to do with why it is so popular. Not saying one is better than the other, just pointing out something.

 

Not saying that the valentine may not have been defective but if you do some research on the valentine u will find it is not superior. It is actually kind of outdated. The biggest feature it has is that it can tell u what direction a threat is coming from. Either way you have to slow down. Personally I love the features my escort has. I have a quick heads up display due to the gps in the radar also I can mark any location that are frequent speed traps, speed cameras etc. and when within a two mile range it will let me know by voice what I'm coming up on. Also it will adjust the sensitivity relative to speed and let's you lock out all of those false signals with the gps and they never go off again. Again I'm not saying valentine isn't a good detector it's just a little outdated.

 

Damn dude time to rethink your strategy. Radar jammers are federally illegal. These are FCC regulated.

You're right on the doppler shift, that applied to radar. Lidar "is determined by measuring the time delay between transmission of a pulse and detection of the reflected signal."

A quick search shows they are illegal only in Nebraska, Minnesota, Utah, California, Oklahoma, Virginia, Colorado, Illinois and Washington DC. Laws change every day it's good to check up in your own if you have one obviously.

They are regulated by FDA not FCC as lasers are controlled under well, the FDA.

You should resarch lidar, radar, and jammers. It's pretty neat stuff, plenty of folks take keen interest in these little devices and have written some pretty thurough reviews. They have demonstrated time and time again they do work. Myself included in my own little setup.

I still don't know why you brought up glass. Sure it bends and scatters, not so much change the frequency of laser on a grand scale. Looking at some sites police are actually allowed to shoot through their closed windows at cars in bad weather.

Word. They need to move on in their design, Valentine loves the theory that they can keep issuing software updates with only minor hardware improvements to stay competitive and up until now it has but other folks are starting to show some rather better numbers.

 

16 tickets and you've finally learned your lesson? Slow learner?

I try to learn from other people's mistakes...I drive within 5 MPH of the speed limit. Don't have to buy all this expensive equipment so that I can speed, and I don't have to pay speeding tickets.

Until tomorrow of course, after I get caught speeding after forgetting to set my cruise!

 

The FDA might control the laser portion of the laser, but the FCC controls the electronic emissions of all electronics, even lasers. That is kind irrelevant though because we are not talking about the FCC controlling lidar we are talking about the FCC controlling the jammers, which by definition must emit signals that produce harmful interference. That is illegal to use without a permit. The last time I checked the only people getting those permits are the government.

I brought up glass because I misread one of the posts. I thought I had read that someone was suggesting to put the laser detector behind the windshield. After review I discovered I misread it. Unless an agency can rewrite the laws of physics they can not shoot laser from behind glass.

You statement that electricity is not slowed down due to the resistance in a wire is incorrect. Electrons do move at the speed of light, however that is their speed in open space. In a wire they are hampered by the protons and neutrons. Electrons pass the electricity from electron to electron all other material (protons and neutrons) get in the way and slow down the electricity. A simple analogy is driving. On a highway at 2 in the morning you can go much faster than you can on the same highway at 2 in the afternoon.

 

As for the legality of laser jammers, I found this site run by a former cop. This page talks about Texas laws but also mentions other state and laws about laser jammers.
http://www.radarbusters.com/texasrad...awsarticle.cfm

 

holy $%^$ dude, i thought i was bad lol

 

My $69 Cobra works as well as any. 3 years old, no false alarms and laser capable. The laser alert has gone off a total of 4 times in 3 years and I've always spotted the LEO with the device.
I haven't had a speeding ticket since buying it.

 

lol

 

I have an older ZR3 shifter that I have used on a few of my past cars. It was an expensive investment (back then) but its also worked very well to pay itself off time and time again.

Now that I'm older, I don't tend to speed as often (esp with kids and whatnot). But, I do have that ZR3 shifter that I removed from my Navigator and I'm waiting to re-reinstall it on my F150. If you find a good place for the units, will you share with me!

Thanks.

 

amen... Too bad so many people are so fucused on how to successfully break the law...

 

The best way to not get a ticket is not be breaking the speed limit. My cop mate said that nearly all the vehicles he has seen involved in high speed deaths had radar detectors fitted. He said these people think they are above the law and drive way above the speed limits by as much as 2-3 times and think that their detector will save their ***. Problem is it increase the risk of them killing them self or someone else. I can see his point.