GT-438G Laser Radar Detector





  • INTERNAL GPS Provides speed and red light camera alerts, Clock, Speed Selective Auto Quiet, Speed Selective Mute, Updatable Database and more
  • RED OLED TEXT DISPLAY Shows alerts detected, engaged modes, and signal strength in text format with vivid color and brightness
  • Ka NARROW MODE Looks only for the following Ka Frequencies: 34.0 GHz and 34.3 GHz
  • DETECTS EUROPEAN LASER GUNS (TraffiPatrol XR, Riegl, Jenoptik, Laveg, LTI TruSpeed® S and more)
  • SELECTABLE LASER MODES Allow selection of multiple pulse rate segments including TraffiPatrol XR, LISD, and laser guns with STEALTH MODE
  • X/K FILTER MODES Offer additional levels of rejection to reduce false alerts caused by Radar Traffic Monitoring Systems including radar based lane change assistant
  • Ka FILTER MODES Offer additional levels of signal processing to reduce false alerts caused by some radar detectors
  • WHISTLER EXCLUSIVE LASER SIGNATURE ID (LSID) Laser Identifier indicates the Pulses Per Second (PPS) transmitted by Speed Laser or other forms of laser sources
  • POP™ MODE DETECTION Advanced speed detection capability responds to brief bursts of radar
  • ALERT PERISCOPES LED’s on top of unit provide additional visual alert
  • SELECTABLE TONE ALERTS allow choice of tones providing distinct audible alerts for bands received
  • 360˚ MAXX COVERAGE detects from front, sides, and rear
  • 3 CITY MODES (City, City 1, City 2) reduce the annoyance of false alerts
  • DIM/DARK MODE reduces the illumination of the display
  • STAY ALERT® Whistler’s exclusive feature that tests your alertness on long trips
  • QUIET/AUTO QUIET MODE silences audio alerts
  • ALERT PRIORITY displays most important signal when more than one is detected
  • SETTING SAVER stores personalized settings when unit is turned off
  • SELECTABLE VEHICLE BATTERY SAVER automatically shuts off unit when not in use
  • VG-2 DETECTION when feature is engaged the unit will alert to VG-2 when detected


Included Accessories

Windshield Bracket Kit, Power Cord, Manual


Additional Information

Whistler laser-radar detectors receive laser guns that operate at a laser wavelength of 800-1000nm.


Whistler detectors receive the following radar frequencies:

10.500 10.550 GHz – X Band
24.050 24.250 GHz – K Band
33.400 36.000 GHz – SuperWideBand Ka

This includes the POP™ instant-on feature, which operates within the K and Ka bands. POP™ is a trademark of MPH Industries.

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