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Cobra XRS-9840 Radar/Laser Detector

Item #: 79905 Availability: DISCONTINUED
Mfg Part No.: XRS9840 Condition: Brand New


Cobra XRS 9840 12-Band Radar Detector
The XRS 9840 provides total protection and peace of mind with the Xtreme Range Superheterodyne Technology, detecting all 12 radar/laser bands with its super-fast lock-on detection circuitry. The product offers extra detection range and the best possible advance warning to even the fastest POP mode radar guns. It comes with the Cobra exclusive Cool Blue ExtremeBright DataGrafix display, an 8-point electronic compass, Voice Alert, car battery voltage display/low car battery warning and much more.

Detailed Features


  • Ultra Performance Extra detection range provides advanced warning.
  • 12-Band Detection Detects 6 radar, 4 laser and 2 safety signals. Radar signals include X Band, K Band, Ka Superwide, Ku Band, VG-2 and Spectre. Laser signals include LTI 20-20, Ultra Lyte, ProLaser and ProLaser III. Safety signals include Safety Alert® and Strobe Alert®.
  • Cool Blue ExtremeBright DataGrafix" Display Provides enhanced data display in easy-to-read cool blue ExtremeBright DataGrafix" display
  • POP Mode Radar Gun Detection Detects the latest POP Mode Radar Gun (Super-fast Instant-On Mode)
  • Ku Band Detection Detects Ku Band Radar Gun currently being used in Europe. Be prepared for future introduction in the U.S.
  • LaserEye® Provides 360-degree detection of laser signals.
  • Voice Alert" Warns driver with specific voice annunciation of the signal being detected.
  • VG-2 Alert®/ Undetectable Provides complete immunity and alerts the driver when under surveillance of VG-2 Radar-Dectector-Detectors.
  • Spectre Alert"/Undetectable Provides complete immunity and alerts the driver when under surveillance of Spectre 1 Radar-Detector-Detectors.
  • Strobe Alert® A Cobra exclusive, works with tens of thousands of emergency vehicles currently equipped with traffic light controlling strobe emitters. Provides advance warning of the presence and/or approach of emergency vehicles.
  • Safety Alert® Warns drivers of the presence and/or approaching emergency vehicles, railroad crossing, and road hazard locations equipped with Cobra's exclusive Safety Alert® transmitters.
  • Auto Mute Automatically mutes the alert tone for enhanced driver convenience.
  • IntelliMute® Relative-speed-sensing Auto Mute system that virtually elminates false alerts.
  • IntelliShield® False Signal Rejection 3-Level City Mode offers the best flase signal rejection in both urban and rural areas.
  • Digital Signal Strength Meter Provides the driver with relative proximity to the target using 5-level digital signal strength meter.
  • SmartPower" Automatically shuts off power to the unit when ignition is turned off.
  • Car Battery Voltage Display Provides graphical display of the car battery voltage and also warns the driver when it is low.
  • City/Highway Modes Allows the user to select operating mode, reducing the frequency of falsing in densely populated urban areas.
  • Dim Mode Allows the user to dim the radar detector display enhancing night driving visibility.
  • EasySet® Programming Menu User-friendly mode selection/setting with visual guidance.
  • Stay Set Electronic Memory Electronically remembers radar detector settings for an indefinite period of time even with the power removed.
  • Low Car Battery Warning Alerts user whenever battery voltage falls below 11.9 volts.
  • 8-Point Electronic Compass Automatically provides an accurate electronic direction reading.
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