DESC: GPS Navigation Systems by Escort. Escort Passport iQ GPS Navigation System Features - Raise your driving intelligence with the Escort Passport iQ GPS Navigation System. The first unit to combine a radar/laser detector with a GPS navigation device. 5" touch screen displays both GPS and radar functions. Multiple screen options let you see the information you want, in the color you prefer. Download updates and charge the battery via the built-in USB port. Passport iQ GPS - Escort Passport iQ GPS Navigation System & Radar Detector - Videos & Reviews. For the top selection of Escort Mobile Electronics shop online today. The Passport iQ GPS - Escort Passport iQ GPS Navigation System & Radar Detector - Videos & Reviews will improve and personalize your vehicle. GPS Navigation Systems by Escort - selected by many auto enthusiasts in the top automotive discussion forums.