Find answers to frequently asked questions about radar speed signs-how do they calm traffic and promote safety, what types are available, what size sign is needed, where should the signs be placed?
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Here are some of the most frequently asked questions and the answers:
A: Radarsign’s speed signs give drivers notice that they are speeding. Radar speed signs work by sign shifting the brain out of the alpha state where the brain is aware but relaxed into the beta state where the brain is alert and focused. As a result, the driver responds to the flashing speed alert and slows down. Tests repeatedly show that speeders WILL slow down over 80% of the time when alerted by a radar sign. Typical speed reductions are 10-20%, and overall compliance with the posted speed limit will go up by 30-60%.
A: Radarsign’s offers AC, battery, or solar power models in a variety of display sizes.
A: You can choose to have the sign in operation either 24/7, or at timed intervals throughout the day. The standard timers will allow the sign to adjust for different school zone speed limits for specific times of the day and week. Neighborhoods often have the sign display off after 10 or 11 pm and turn back on around 5 am. Even with the sign display off, vehicle data can still be collected.
A: With most solar powered radar signs on the market today, the larger the LED display, the more power it consumes. The 14″ to 24″ displays often require multiple 28-40 amp batteries. In addition, larger 80 to 120 watt solar panels are required to ensure 24/7 operation of the sign.
However, because of the power efficient design of our solar powered radar signs, Radarsign’s solar models only two 18-amp hour batteries and a single 50 watt to 80 watt panel is required. Our signs have less energy requirements and can run up to three weeks without solar recharging.
A: Yes. Our battery powered TC-400 radar speed sign is our most mobile option and is the easiest to move between various pole locations. The radar speed sign only weighs 24 lbs. Each sign comes with a universal mounting bracket that can be installed on almost any size/style of pole. You will just need to purchase additional mounting brackets for each of the poles where you want to move the sign. Moving the radar speed sign is as simple as unlocking it from one pole location and moving it to another.
A: There are best practices to follow when installing a radar speed sign to assure maximum effectiveness. Please refer to our best practices guidelines when installing or placing a sign.
A: That depends. If you are an HOA and your neighborhood has a couple of handy volunteers, the cost could be zero. If you need to recruit a couple of local public works employees to moonlight the job, then count on a few hundred dollars per sign. If you choose to hire a contractor, then the price goes up even more. For municipalities that purchase a sign, local public works employees would do the installation.
A: Radarsign radar speed signs have a maximum speed cutoff feature, when enabled, causes the sign to go blank when the user selected cutoff speed is reached.
A: Yes. All Radarsign models are constructed with a heavy-duty aircraft aluminum housing and have an armored, aluminum Bashplate™ protecting the LEDs and internal components, making our signs the most vandal resistant signs available. Even 40 caliber bullets fired from point blank range did not penetrate the Bashplate™ and do massive internal damage to sign.
If you want to learn more, please visit our website advantages of using led displays for event engagement.
A: No. All of our signs are certified under FCC Part 15 regulations and do not require an operating license.
A: Radarsign, LLC warrants that all models of our radar sign series will be free of defects in materials and workmanship for a period of 24 months beginning on the date of product shipment from Radarsign. An extended 3rd year warranty is also an available option.
The information coming from your radar detector can get technical. The more you're willing to learn, the more you'll understand what it's trying to tell you. Most detectors can be boiled down to beeping = bad, but to get any real use out of the device, you need to have a basic understanding of the types of radar bands being detected and whether or not they're likely to represent a genuine threat.
X Band: Though it has been retired by the majority of jurisdictions, this is the oldest police radar band still in use. Law enforcement operates exclusively on the 10.5 GHz frequency, and the equipment that transmits X band is bulky due to the larger antennas required. While X band is less affected by poor weather, it's also easy for detectors to pick up at a distance. You can start to see why it's been mostly discontinued.
X band can still be found in use in rural areas and generally underfunded regions where the cost to upgrade equipment remains prohibitive. Outside of these types of areas, it's reportedly still widely in use in Ohio and New Jersey. Many detectors allow you to disable X band detection altogether since it's rare to encounter legitimate law enforcement using it.
K Band: This is harder to detect from long distances and requires a lower power output from police radar gun equipment, so it's easy to understand why K band was adopted by law enforcement. Police operate exclusively in the 24.125 to 24.150 GHz range of the K band. Frustratingly, many other radar sources operate in this range including automatic doors and BSM systems on other vehicles. This noise is what makes the K band especially problematic for radar detectors, and it's the reason good false filtering is a must.
Ka Band: Officially approved for use by the FCC in 1983, the Ka band is the most recent frequency range to be employed by US police departments for speed radar. Ka band guns use even smaller antennas than either X or K band and less power as well. Among the bands, Ka is the most difficult to detect at a long distance as its guns fire a narrower beam and operate at lower power.
If there's an upside, it's that few other sources of radar operate in the Ka band. So when you receive a Ka alert from your radar detector, it almost always originates from speed enforcement and should be taken seriously from the jump.
MultaRadar: This is not a separate band as much as it is a new technology. MultaRadar, which is also known as MRCD, MRCT or photo radar, uses the K band, but instead of remaining on one frequency as in the examples above, it sweeps up and down the frequencies within a given range. This is called frequency modulation (as opposed to traditional continuous wave radar), and it's invisible to radar detectors that aren't equipped to pick it up. In cases where it can be detected, the window of warning is extraordinarily small.
Photo radar is not yet ubiquitous throughout the United States, but it is widely used in Europe and Canada, and is increasingly coming into use stateside. In Canada, it's frequently set up in an unmarked truck, which photographs speeding vehicles from behind to capture their license plates so a citation can be issued via mail. Here it can be found in cities like New York and Chicago.
Radar band cheat sheet: Here's a simple TL;DR for radar bands and how you should react if you're alerted to each type.
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