| General | |
| Manufacturer: | ParkMaster |
| Model: | GPS 3503 |
| Type: | Automobile |
| Computing platform: (operating system) |
Microsoft Windows CE 5.0 Core |
| Navigation software and maps | |
| Program: | GISRX |
| Measurements | |
| Processor | |
| Processor Type: | Centrality Atlas III |
| Clock Frequency (MHz): | 372 |
| Memory | |
| Random access memory (RAM) (MB): | 64 |
| Read-only memory (ROM) (MB): | 64 |
| GPS-receiver | |
| Chipset: | Atlas III |
| Communications | |
| Multimedia | |
| Screen Size: | 3.5 |
| Screen Resolution (px): | 320 x 240 |
| Output audio: | Headphone output 3.5, Mono |
| Features: | Audio, video, books, photo |
| Management and input | |
| Management | touch-sensitive screen, physical buttons |
| Extension | |
| Memory Cards: | MMC, SD |
| Connectors: | miniUSB |
| Additionally | |
| Operation time: (according to the manufacturer) |
2.5 hours |