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K40 RL360i Radar Detector

Fully-integrated 360º radar protection

The ultimate in speeding ticket protection

Four hidden receivers, 18 unique settings, hundreds of customizable options

A radar system so complete, you’ll fly down the road surrounded by a virtual forcefield of protection. An installation so discreet, your friends will ask if it came with your vehicle. That’s the K40 RL360i.

  • Features
  • Specifications
  • Reviews & Testimonials
  • Resources
  • FAQs
  • Guarantees

Directional Awareness — Know exactly where the police are at all times – dual radar receivers provide directional awareness and increased range to keep you protected from radar threats – two discreet LEDs indicate front (left light) or rear (right light) radar, accompanied by an audio alert that states “front” or “rear” as well as the specific band of police radar.


K-Band Filter — The RL360i intelligently recognizes and rejects radar-based safety features from other vehicles and your own vehicle so you remain focused on real radar threats.


Traffic Sensor Filter —  The RL360i will reject alerts from traffic flow sensors usually encountered during highway driving.


K40 front and rearOEM-like Visual and Auditory Alerts — The RL360i retains the original factory appearance of your vehicle’s interior by strategically hiding two LEDs in the instrument cluster and an audio speaker under the dash.  It’s a completely undetectable protection system until the RL360i warns you based on your preferred settings.  Choose from five customizable LED brightness settings, voice or tone alerts, or muted audio.


 System Control Options–

Wireless Remote Control (standard)- The key fob sized wireless remote lets you control everything from the brightness of the alert LEDs to the system’s mute settings and GPS features.  When not in use, you can hide the remote control in an interior storage area or leave it attached to a sun visor via the supplied clip.

 

k40 porsche cayenne Turbo S

Install Photo: JML Audio

Expert Control Unit (optional)- The ultimate in OEM style and convenience!  The Expert Control Unit looks and functions just like factory vehicle controls and is backlit for easy button identification in low light conditions.  Available only through select Expert Dealers…contact us for a dealer referral.


GPS Features — The RL360i offers you 17 customizable settings, including GPS features such as:

  • Mark to Mute – Mute audible warnings of false, non-police radar locations you regularly travel past with a simple button push.
  • Quiet Ride – Mute alerts under a pre-selected speed. Eliminates alerts when you plan to drive near, at or below the posted speed limit.
  • Mark to Alert – Mark dangerous intersections, speed traps, school zones, and red light cameras.
  • Speed Monitor – Track your speed without taking your eyes off the road.

LDg5Optional K40 Laser Defuser protection — Become invisible to police laser guns. The RL360i, combined with the jamming power of the Laser Defuser units, delivers the ultimate in ticket-free radar and laser protection.

Product subject to one or more of the following U.S. patents:
7,298,248 B2
5,001,777
RE39,038
RE40,653
RE41,905
Other patents pending.

Detects every North American approved police radar frequency and radar gun:

Specifications Technical
Operating Frequencies 10.500 – 10.550 GHz (X-Band)
24.050 – 24.250 GHz (K-Band)
33.400 – 36.000 GHz (Ka-Band)
Power Requirements 11.5 – 16.0 Volts DC negative ground
500 mA typical standby
Wireless Remote Control CR2032 Cell Battery
Dimensions:
Wireless Remote Control
Front Radar Receiver
Rear Radar Receiver
GPS Module
Interior Host Module
3.07 in L x 1.4 in W x.47 in H
4.10 in L x 3.20 in W x 2.00 in H w/attached 15′ cable
4.10 in L x 3.20 in W x 2.00 in H w/attached 20′ cable
2.00 in L x 2.00 in W x .50 in H w/attached 20′ cable
5.749 in L x 3.249 in W x 0.90 in H w/attached audio quality speaker
Optional Expert Control Unit 1.76 in L x 0.76 in W x 0.35 in H w/attached 8′ cable
Weight Total system 2.5 lbs
Temperature Range -40° – +165° Fahrenheit

Filter Settings:

Level/Mode Sensitivity Recommended Use
1. Highway (factory default setting) Detects all types of North American approved police radar at maximum range and sensitivity For highway travel or in any area in which you are unfamiliar with the types of radar used.
2. City The X-Band sensitivity is reduced. This is because it is the most common source of non-police radar signals. K, Ka, and Laser remain at full sensitivity. When traveling in an urban area with minimal non-police radar signals.
3. Filter X-Band detection is eliminated completely. K and Ka-Band sensitivity are reduced by 50%. Use this mode when traveling in congested traffic areas with a high concentration of non-police radar signals.

Additional System Features:

  • Handheld Remote Control – Visor clip or dash mounting options
  • Voice Type – Female or Male
  • Alert Type – Voice or Tones
  • Distinct Tones for all Bands – X, K, Superwide Ka, and Laser alerts (when optional Laser Defuser(s) are incorporated)
  • Fully Independent Customization – Each radar receiver can be independently customized for band awareness and alerts
  • Start-Up Sequence – Audible and visual sequence at start-up
  • Abbreviated Test – Optional abbreviated start up sequence
  • Display Type – Dual blue LEDs or warning pods custom-integrated into driver’s cockpit view
  • Signal Strength Indicators – Audible Geiger strength indications

Factory Default Settings:

  • Voice Type – female
  • Voice – On
  • Wake-Up – Long
  • Auto Mute – Off
  • Traffic Sensor Filter – Off
  • MPH/KPH – MPH
  • Speed Monitor – Off
  • Front Radar – On
  • Front X-Band – On
  • Front K-Band – On
  • Front Ka-Band – On
  • Rear Radar – On
  • Rear X-Band – On
  • Rear K-Band – On
  • Rear Ka-Band – On
  • Laser – On (with optional Laser Defuser(s))
  • Laser – Constant Transmit
  • Factory Reset

Hooniverse RL360i Radar Detector Review

The crew at Hooniverse followed up on their  RLS2 Portable Radar/Laser Detector review with a look at our  K40 RL360i Expert custom installed system . Watch the video for why they said, “Overall, it’s better than any portable unit.” Part 3 of the review will compare the two systems in performance testing against trained police officers so stay tuned!

 

 

Technabob RL360i & Defuser Optix Review

“…on the open road when I got an alert, it was from an actual police car. In each case, I had at least a mile to slow down…the K40 system is the best I’ve ever experienced…” Read more

Gear Diary RL360i Expert Radar Detector Review

“I managed to pick up his (Sheriff’s Deputy) signal from 1.6 miles away coming and going!…I was speeding, and the K40 system gave me enough of a heads up that I had plenty of time to check myself and slow down. Possible tickets averted!” Read more

Right Foot Down RL360i Expert Radar Detector Review

After writing an article about how he didn’t need a radar detector and getting quite a good amount of reader feedback that suggested otherwise, automotive enthusiast and writer Justin Hughes of Right Foot Down tried the K40 RLS2 portable radar detector. He was “quite impressed with how far the technology has advanced.”

To really convince Justin of the need for stealthy protection,…Read more

K40 RL360i Expert Radar Detector Review

Automotive enthusiast and photographer extraordinaire Jason Thorgalsen of JTPhotos.net shot an overview video of a K40 RL360i Expert radar detector and laser jamming system being installed in his BRZ by Eric from Custom Installations and Performance . Watch the video to see why Jason says it’s “an incredible system…everyone I show the system to can’t believe it wasn’t done at the Subaru factory, it…Read more

For The OEM Look: K40 Authorized Dealers

In this extensive pictorial , automotive writer Chris Hughes of Right Foot Down highlights how a K40 RL360i Expert radar detector and Laser Defuser g5 laser jamming system was custom-installed in his Subaru BRZ. Read why he “highly recommends” using a K40 Authorized Dealer like Boomer Nashua for a “seamless integration” and factory-looking quality.

Zeroto60times.com RL360i Radar Detector Review

“I wanted to have the best radar detection and protection setup available…I am quite pleased so far…looks surprisingly factory installed…avoided a likely ticket just a couple of days after install.” Read more

The Best Radar Detector – Mercedes SLS AMG – K40 Radar Install

This week in the shop Mercedes SLS AMG installing:

K40 RL360i

K40 Defuser G5 and LTS

Product Details

In this Mercedes SLS AMG we installed a K40 RL360i, Defuser G5 and secondary laser defuser LTS.  We do also sell and offer Escort radar detector products, but our shop does think that K40 offers the best radar…Read more

The performance of the RL360i radar was seven times the capture range of the police radar guns on all radar bands, X, K, and Ka bands used by police. It works as advertised! More…

Carl Fors, B.S., M.S. President, Speed Measurement Laboratories, Inc.

The K40 units installed in my cars are just what the doctor ordered to maintain situational awareness on city, country and highway roads.  Considering the amount of miles I’ve driven in the One Lap of America, to and from road courses for HPDE’s, K40 has kept me ticket free over the years.  I am more than pleased with your products, technical support and most importantly, your customer service.

(Currently owns 8 vehicles with complete K40 radar/laser systems)

Rudy A. Chicago / Florida

I have your product on my BMW, and love it. It allows me to drive the car the way it was made to be driven. I spend less time looking for speed traps and roof lights, and more time with my eyes on the road.

Tom W. Fresno, CA

Dear K40 –

I was test driving a Porsche at MotorWorks in Barrington, IL yesterday, and when discussing pricing for the vehicle, I inquired about a K40 system. They handed me a brochure on your new RL Series, which sounds great. The part of the brochure that made me laugh was the testimonial from the guy on his “Third K40”.

I purchased my FIRST K40 when in high school for my Olds Cutlass Supreme. It took me months to save up the money. Ever since then, I have put K40’s in all the vehicles I purchased as well as my work trucks.

1. Cutlass Supreme
2. Merkur XRI
3. Cougar
4. Cougar (1st totaled in accident)
5. Ford Expedition (work truck, mobile veterinarian)
6. Jeep Cherokee (ex-wife’s work truck)
7. Dodge Ram 350 (ex-wife’s new work truck)
8. Ford Expedition (2000 new work truck)
9. Cadillac Deville
10. Lexus 470
11. BMW 530 (fiance’s)
12. Ford Expedition EL (2010 new work truck)

So, the RL360 will be my 13th K40 system purchased. Not bad for a regular consumer. Just wondering when you will have a frequent customer discount card? Thanks for keeping us safe.

Sincerely

John J. Hanover DVM, Cary, IL

This system works awesome. Had a Valentine before, and it looks so much better, and works better too.

N.T. Colorado Springs

This is my second K40 radar detector. The first one I purchased in 2001 saved me from a ticket the very first day. I thought it was defective because it alerted me 4 miles before I saw a state patrol. This convinced me how well this product works! It has saved me countless tickets since then. Thanks for making a superior product.

Patrick Dowling

Safety Information

If your vehicle has any of these radar based options:

  • Active Blind Side Assist
  • Attention Assist
  • Automatic Cruise Control
  • Blind Side Assist
  • Blind Spot Information System
  • Blind Spot Intervention (BSI)
  • Blind Spot Warning (BSW)
  • Blind Zone Assist
  • Brake Assist
  • Collision Avoidance System
  • Cruise Control with Stop and Go
  • Distronics Plus
  • Driver Assistance Package
  • Emergency Braking System
  • Lane Change Assist
  • Lane Departure Warning
  • Park Assist
  • Presafe

You need a radar detector and laser jamming solution that protects you from speeding tickets WITHOUT compromising these important safety features. Your K40 Consultant will customize and tailor the perfect solution, so that you no longer have to choose between OEM options and the confidence to drive your performance automobile. Call 800.323.5608 and speak directly and immediately to a K40 Consultant. Find your nearest authorized K40 dealer.

Trying to estimate warning time in an actual mile or feet measurement is impossible since true warning time is influenced by many outside variables that have nothing to do with the radar detector itself. For example, the strength of the radar signal being transmitted, the direction the gun is pointed, the length of time it is transmitting, the positioning of the patrol car, and the influence of other objects around you may all affect how your radar detector receives a signal.

For these reasons, don’t expect your detector to achieve the same warning distance every time you encounter police radar. Just expect it to do what you bought it for: give you enough time to slow down and save yourself from receiving a speeding ticket.

Sensitivity refers to a radar detector’s ability to pick up police signals at the greatest distance. Selectivity refers to the detector’s ability to filter out signals that are not true police signals, yet operate on the same frequencies as police radar (i.e. security alarms, garage doors, automatic doors, etc.).

The filtration software built into K40 radar receivers features very unique microelectronic processors that minimize distractions that come from non-police radar transmitters. This helps give you the time you need to react to real potential threats, without the constant “falsing” that makes other detectors difficult to use in today’s challenging driving environments.

Radar detectors are essentially superheterodyne radio receivers. Like any radio, they’re passive devices that listen for microwave signals. The main difference is that they are specially-tuned to detect microwave frequencies transmitted by police radar and laser guns.

If a police car is not equipped with a radar or laser gun, a radar detector cannot possibly locate it. Also, if no signal is transmitted when you pass the police car, there won’t be any signals for your detector to receive.

Police may also use a sinister technique called “Instant-On” or “RF Hold.” During this type of encounter, an officer will wait until a targeted vehicle is within range to send a quick burst of radar to clock its speed. K40 radar detectors are sensitive enough to detect these brief, weak signals, but you have to pay attention and react quickly.

Speed signs – or speed reading boxes – are radar-based. Radar detectors are not radar jammers. Jamming radar is a federal offense and is prohibited by federal law nationwide. These informational-only speed readers, if working properly, should always detect and display your speed.

Speed signs – or speed reading boxes – are not used to issue traffic tickets or citations. As a result, these portable systems are not calibrated regularly and can “drift” away from the FCC-authorized frequencies. Because of this, when passing one of these signs that say Your Speed Is…,” you may or may not receive an alert. These devices are primarily placed in residential areas as a reminder to obey the speed limit.

POP Mode, when turned on, enables the detection of a special band of radar known as “POP.” This is a very short transmission signal that allows the user of a radar gun to capture a quick read of a vehicle’s speed prior to setting the gun to another band. K40 recommends that you keep the POP Radar Mode turned off for two reasons: 1) POP radar does not transmit long enough to gather information needed to issue a speeding ticket, and 2) keeping POP Mode “on” is known to cause far more false alerts than actual alerts.

No, we do not. The sale and use of radar jammers has been banned by the Federal Communications Commission (FCC) since 1997. The fines for each violation can reach up to $11,000.

Today, many high-end car manufacturers, such as Mercedes-Benz and BMW, are incorporating special tints into their windshields to protect the interior look and comfort of their cars. Unfortunately, this creates a very real problem for people who own portable radar detectors.

Putting tint of any kind on your windshield that contains metal film is essentially like putting a blanket over your radar detector. While radar microwave signals can still travel through fiberglass, plastic, and glass, they cannot penetrate metal. Some tints are worse than others, but if it contains metal of any kind, it will reduce the performance of any portable radar detector mounted inside the car.

We have absolute confidence in the performance of our products, and you should never get a speeding ticket when they are operating and used properly. In the rare event you should receive a speeding ticket in the first 12 months of ownership, we’ll pay any and all fines (excludes attorney fees and/or insurance premium increases as well as tickets issued in school zones, construction zones, and/or when DUI or DWI is involved). No questions asked.

It’s the best, most comprehensive guarantee in the business, and we make it with the utmost confidence.

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Drive Ticket Free Guaranteed

Drive Ticket Free

Get a ticket during the first year of ownership, we pay for it, subject to the terms and conditions below. Simply send us a copy of the radar or laser speeding ticket, your proof of payment of the ticket, and your receipt for your K40 purchase.

We started offering this guarantee in 1985 and we still stand by it today!

100% Ownership Guarantee

  • 100% Performance Guarantee – If your K40 Radar Detector or Laser Defuser does not outperform any other radar or laser protection system you’ve owned, return it within 30 days for a full product credit.
  • 100% One-Year Quality Guarantee – K40 will repair or replace any defective product for one full year from date of purchase.
  • 100% Theft Guarantee – If your custom installed remote radar detector is ever stolen, we’ll replace it.

To ensure you’re covered by all K40 guarantees, register your product today.

ACTIVATE YOUR COVERAGE NOW

Terms and Conditions

  • Ticket-Free Guarantee not valid for tickets issued in school or construction zones, incurred with a DUI or DWI violation, or for tickets received outside the U.S. and Canada.
  • All K40 Electronics products carry a one year “repair or replace” Limited Warranty. This coverage begins on date of purchase and applies to defects in product materials and workmanship only. Installation, removal, or misuse is not covered.
  • In Canada – RD950 and RLS2 portable models only –  Excludes any photo radar/laser and/or any tickets issued that do not accumulate demerit points.
  • Installed radar detector systems must include the purchase of at least one Laser Defuser in order to be covered for any laser speeding ticket reimbursement.
  • Theft claim must include complete copy of police report indicating details of loss to due theft, proof of purchase from an authorized K40 dealer, and proof of insurance reimbursement if applicable.  NOTE: the theft guarantee excludes portable radar detectors.