GPS receiver with PS2 connector GT-321R: 1,gps receiver 2,small size 3,Fast ... 4,in stock GPS receiver with PS2 connector GT-321R:Introduction:The GT-321R is a compact all-in-one GPS ... satellites in view and provides accurate satellite positioning data. The GT-321R is optimized for applications requiring high-performance, low cost ... plug in PDA (Manufacturer) GPS receiver with PS2 connector GT-321R