Whistler XTR-140 Laser/Radar Detector with Exclusive Twin Alert Periscopes

Features

• Complete band coverage of all Laser, Radar, VG-2, and Safety Radar bands
• Exclusive Twin Alert Periscope provides an added attention-getting visual alert
• Easy-to-read icon display indicates power, city mode, band identification, and signal strength
• Three unique city modes and highway mode to reduce false alarms
• Patented VG-2 cloaking technology for undetectability

List Price: $79.95
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Here's a solid detector from Whistler, with basic detection minus unneeded bells and whistles. Get total band protection with a simple icon display, city and highway modes, quiet mode, and other features, along with Whistler exclusives like the cant-miss Twin Alert Periscopes.

Basic detection minus unneeded bells and whistles. Click to enlarge.

Whistler's exclusive Twin Alert Periscope provides an added attention-getting visual alert.

Includes windshield mount.

Total Band Protection
Provides complete band coverage of all Laser, Radar, VG-2, and Safety Radar bands.

Icon Display
The XTR-140 display offers easy-to-read icons to indicate power, city mode, radar band identification, and signal strength.

Twin Alert Periscope
Whistler's exclusive Twin Alert Periscope provides an added attention-getting visual alert, with two extra LEDs flashing on and off when the unit alarms.

Three City Modes and Highway Mode
Highway mode provides full audio and visual warning of laser/radar systems while maintaining full sensitivity. Highway mode is the default setting of all Whistler's laser/radar detectors. City mode helps reduce the annoyance of automatic door openers and burglar alarm alerts by providing an initial alert (same distance as Highway Mode), then remaining quiet unless the signal strength becomes very strong. When the signal increases, the unit will alert briefly to notify you of the change in signal strength.

Quiet/Auto Quiet Modes
Pressing QUIET before a signal is detected engages Auto Quiet Mode, which automatically reduces the audio level after the initial warning to a low audio level setting. Pressing QUIET during a radar/laser encounter silences audio alerts, while allowing visual alerts to keep you informed.

Alert Priority
When two or more signals are received at the same time, the alert priority is: Laser, VG-2, Speed Radar, Safety Radar.

Example: If X band is alerting, then suddenly a VG-2 signal is detected, the VG-2 warning will override the X band alert.

Vehicle Battery Saver Mode
The Vehicle Battery Saver Mode automatically shuts off your detector within three hours if you forget to turn it off. The timer is reset if the detector is turned off or unplugged, or any button is pressed before the six hours have expired. The detector will alert you with an audible and visual warning before it shuts off.

Patented VG-2 Cloaking Technology
The VG-2, also known as a "radar detector detector," is a special receiver used by police to detect signals radiated by a radar detector. The XTR-330 alerts you its presence, and thanks to Whistler's patented VG-2 cloaking technology, it also provides undetectability.

What's in the Box
Whistler XTR-140 laser/radar detector, windshield mount, power cord, and user's manual.

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Motorola MR350R 35-Mile Range 22-Channel FRS/GMRS Two-Way Radio (Pair)

Features

• VibraCall vibration alert or 20 different call tones
• 11 weather channels (7 NOAA) with alert features
• 22 channels each with 121 privacy codes for superior interference protection
• Pair of two-way radios with up to 35 mile range
• iVOX hands-free communication without the need for an audio accessory

List Price: $79.99
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Amazon.com
The Motorola Talkabout MR350, with its range of up to 35 miles and bundle of great features, is a great communication tool for the serious outdoor enthusiast. Lightweight and rugged, with extra large buttons to help you operate even with gloves on, the MR350 is built to handle any challenge without weighing you down. The MR350 includes an emergency alert feature, to inform others should any dangers come your way. The MR350 also features a built-in LED flashlight for peace of mind during evening adventures or unexpected emergencies and power outages. Weather alerts will provide your group with warnings of incoming storms or dangerous conditions. And, by tuning in to one of 7 NOAA channels, you'll always know what to pack. This radio also features the VibraCall silent vibrating ringer, which is useful for locations where ringing can be intrusive or background noise would drown out your ring tone.

A great communication tool for the serious outdoor enthusiast.

MR350 Features

35 Mile Range
The MR350, under ideal conditions, gives you a range of up to 35 miles. Conditions vary with geography and other variables.

22 Channels
The MR350 boasts 22 channels (including 7 NOAA channels).

Emergency Alert Button
When the alert button is activated, the radio transmits an alert siren followed by transmission of spoken or incidental sounds. This allows you to send the signal to other radios and warn of impending danger.

Channel Scan
Use scan to search the 22 channels for transmissions from unknown parties, to find someone in your group who has accidentally changed channels, or to quickly find unused channels for your own use.

Includes drop-in dual charger for easy charging.

Brilliant LCD with battery indicator, channel, and other info.

Oversized buttons are easy to use, even with gloves on.

Charging Options
You can charge the MR350 using the Motorola standard charging port (with the included charging adapter), the Drop-in cradle charger (also included), or purchase a mini-USB cable for use with the Mini-USB charging port, especially useful when traveling.

121 Privacy Codes
Interference Eliminator Codes help minimize interference by blocking transmissions from unknown sources. The MR350 features 121 codes for superior interference protection.

Twenty Call Tones
The MR350 can transmit different call tones to other radios in your group so you can alert them that you want to talk. Choose from 20 different tones.

Hands-Free Communication
Use the iVOX feature to transmit hands-free

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Transportation Defined: Guardrails

ADOT crews repair a guardrail.

Guardrails. You see them all the time, right? But, how often do you really think about the important job they’re performing?

If your answer is, “never,” that’s perfectly fine and, quite frankly, it’s what we expected, because who sits around contemplating guardrails?

But, guardrails really do perform a vital task, which is to separate vehicles from a non-traversable slope past the edge of the roadway or any type of fixed object (think power pole or building). They’re also the topic of this blog post, so hopefully your interest in guardrails is now sufficiently piqued!

How they work
First off, there are different types of barrier out on the state’s roads, but what you see on many highways (and what we’re talking about here), is the w-beam guardrail that is secured to wooden posts (see photo above). Fun fact: It’s called a w-beam because if turned on its side, it looks like a W.

When the guardrail is hit by a vehicle, the posts move back and rotate with the force of the vehicle. The wooden posts, the w-beam, the dirt and the vehicle all absorb some of the impact, but the idea is that the w-beam will stay intact and will prevent the vehicle from traveling off the side of the road into whatever obstacle the guardrail is there to protect you from.

The energy of the impact is distributed to many of the posts, which are able to hold the w-beam against the vehicle, allowing the vehicle to come to a stop without crossing the barrier or flipping over it.

We don’t use them unless we have to
Guardrails are only used when necessary. If a road can be built to avoid the need for guardrail, that’s typically the way to go, but it’s not always possible.

We won’t get too technical, but engineers do have calculations for determining whether or not to use guardrail that take into account speed, traffic volume and the amount of clear area that there needs to be.

If it is determined that guardrail is needed, engineers also have to figure out how much is necessary. The term, “length of need” refers to the length of guardrail needed to shield the motorist from the potential hazard. Again, we’re not going to get technical here, but there’s a formula to calculate the length of need, too.

But wait, there’s more!
If a guardrail is hit, there’s some maintenance involved. According ADOT Maintenance Superintendent Craig Cornwell, his crews are out there repairing guardrail hits just about every day.

He says the w-beam railing comes in sections (from 12.5 feet to 25 feet).

“If a section is damaged, we replace that whole section,” said Cornwell, adding that the beams actually overlap and are connected to each other with eight bolts (there’s also a big bolt (about 18 inches) that connects the beam to the wooden post.

On top of repairs, Cornwell says his crews perform routine maintenance on the guardrails, which includes regular inspections.

Transportation Defined is a series of explanatory blog posts designed to define the things you see on your everyday commute. Let us know if there's something you'd like to see explained ... leave a comment here on the blog or over on our Facebook page!