Whistler Radar Detector from Best Radar Detectors The Whistler Radar Detectors feature Total Band Protection and offer Whistler Radar detection for the most prevalent and widely used radar and laser signals and 360-Degree Total Perimeter Protection. Giving you a full ‘radar detector view’ completely all around you and your vehicle. The Whistler Laser Radar Detectors alerts you when radar is on and its time for you to slow down. The latest SE (Second Edition) units from Whistler offer the best range ever seen from Whistler. The Whistler PRO-78SE & Whistler XTR-695SE radar detectors are the latest and best from Whistler. New on the SE units is Radar Signature ID & Laser Signature ID Radar Signature ID (RSID) indicates the frequencies used on Ka Band 33.8, 34.0, 34.3, 34.7 or 35.5 on the display when police radar alerts are detected within these common Ka speed radar windows. Alerts that fall outside of these parameters will be reported only as Ka band helping you determine which alerts are more of a risk. Laser Signature ID (LSID) indicates the Pulses Per Second (PPS) transmitted by Speed Laser or other forms of laser sources. With any false laser signals from some automotive active cruise control systems, for example, the unit allows you to lock out these false alerts based on the pulse rate! This with eliminate false laser alerts.