... Quad-band GPS Watch tracker for kids security, senior citizen monitoring, people locator. Gps Watch Tracker For Track Worldwide ... mobile station class BGPS chipJRC high sensitivity GPS chip groupGPS sensitivity164dbmGPS frequencyL1, 1575.42MHPosition accuracy2 ... engine, door), speed, mileage, direction, GSM signal, GPS signal, Longitude, LatitudeMileage1. mileage statistics, can synchronize initial ...