Question about Electronics ESD 7400 Radar Detector

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Do this cobra pick up effective against police radar

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No I would not trust that radar at all. The best bang for your buck is any top end BEL electroincs that is all I use and recommned. The Escort is good but not loud enough if you are listening to your radio. I drive 4hr trip at least once a month and drie a sports car for the passed 2 years with no tickets. I do ten over and with my 995 model i get about a 6-8 mile range.

Hope this helps,
-david

Posted on Nov 12, 2010

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Making unusual alerts with Ka and x bands


It could be picking up garage door openers, which are a common false alert for radar detectors. In a neighborhood, there are all sorts of sensors that give off false alarms. I usually turn mine off when driving through a neighborhood as police are less likely to be using radar (unless in a school zone).

Apr 02, 2014 | XRS-757 Radar Detector

1 Answer

How does it work


Radar detectors are similar to radio receivers that are in your car or home. Radio receivers pick up signals in AM and FM frequencies. Radar detectors find the frequencies that are used by police officials using radar guns. Once the radar detector finds a frequency being directed at your car, it signals the driver somehow, most likely by beeping. It is a simple technology. Although, as law enforcement agencies expand the frequencies to detect speed, companies need to produce more radar detectors

Sep 27, 2010 | ESD 7330 Radar Detector

1 Answer

I picked up a wisler 1190 SW radar detector at a yard sale and it seems to work. anlike my escort it only beeps once is that mormale


It should alarm to known locations such as door openers as these operate on the same band as police radar (X band and sometimes K band). That model is no longer serviced but you can trade it in for a newer more powerful Whistler however. For more information contact whistler at info@whistlergroup.com

May 25, 2010 | XRS - 9675 Radar Detector

1 Answer

How do i set it up? its not detecting police


Once you turn it on it should detect radar and laser; however, not all police vehicle are equipped with moving radar and just because an officer appears to be doing radar or laser when parked, they may not be...Secondly, police radar and laser has the capability to activate their device when you are already in view because they are required to visually estimate your speed first; therefore, if you pick up their radar or laser they may have already seen you speeding and will be able to pull you over...

Feb 14, 2010 | ESD 9117 Radar Detector

1 Answer

NOT PICKING UP SIGNALS


Radars are like just about anything else you buy these days, you get what you pay for. If you want a cheap but most reliable for the price I would suggest the Whistler XTR-695 *est. price 150 bucks. Although many detectors are prone to being detected by radar detectors (used by law enforcement) this one is a little more likely. So if your state has a ban on radars I wouldnt buy. As far as distance in signal pick up the Valentine One I would go with *est.price400 bucks.

Jun 21, 2009 | XRS 9440 Radar Detector

1 Answer

These don't detect like advertised


The detector will only work if there is a signal transmitting at the time. Depeding on what country you are in, police usually don't activate their radars three minuites before they register your speed. These are more meant for stationary speed cameras than hand-held ones.

Jun 21, 2009 | XRS 9440 Radar Detector

1 Answer

Cobra radar detector


Police usually do not leave their radar guns turned on all of the time. Indeed, most police officers prefer to use the "instant-on" technique to nab speeders. Instant-on works by leaving the radar gun in standby mode (no radar emissions) and then releasing a trigger button to instantly turn on the radar gun to measure a vehicle's speed.

You can check to see if your radar detector is detecting radar by putting it in Highway mode and then driving to a shopping center or other businesss location which has microwave radar automatic door openers. You should get either X band or K band alerts for these microwave automatic door openers. If you do not get any alerts for these door openers, and after having checked a few other locations which have microwave automatic door openers, then this would indicate that your radar detector is defective.

Apr 20, 2009 | XRS 9440 Radar Detector

1 Answer

Cobra XRS 9440 will not detect police radar. Does not alert when I drive by a police car. How can I fix this problem? Is there a way to change the settings so that I can be alerted when there is police...


Radar detectors are not police detectors. Radar detectors only alert to police when the police have their radar guns turned on. Most police officers operate their radar guns in "instant-on" mode rather than leaving their radar guns turned on continuously. Instant-on operation involves very briefly turning the radar gun on for up to a second or two in order to get a vehicle's speed.

Cobra radar detectors are known to have great difficulty detecting the 35.5 Ka band radar gun frequency. This should be considered a serious problem since 35.5 Ka is the second most popular Ka radar gun frequency following the most commonly encountered 34.7 Ka radar gun frequency. There isn't much that Cobra can do about this issue since their competitors hold all of the really good patented solutions for detecting 35.5 Ka police radar while ignoring false alerts caused on this frequency due to other radar detectors.

Apr 16, 2009 | XRS 9440 Radar Detector

1 Answer

Cobra xrs757 X Band


The x-band is the considered a "trash band". It picks up things like automatic doors at supermarkets and such. About every radar detector made has an X band for non-police radar. There is no way to turn this band off on the XRS-757.

Holding down the dim button for 2 seconds turns the V alert on/off
Holding down the city button for 2 seconds turns the Spectra on/off
Holding both city and dim together for 2 seconds turns K and Ku band on/off.

Dec 18, 2008 | XRS-757 Radar Detector

1 Answer

Have a cobra radar detectors while I am in uSA but do not know what the different alerts mean. Can anyone tell me?


X, K, and Ka Superwide are the radar bands that are used by police radar guns. X band was the first band used for by radar guns, but is now the least used. All radar detectors that we carry detect all 3 of these bands.

Aug 03, 2008 | XRS 9330 Radar Detector

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