Table 1.
Technical specifications of the GPS data-loggers considered as potential candidates for tracking human movements in relationship to dengue virus transmission.
| Model (company) | ||||||
|---|---|---|---|---|---|---|
| Features | Igot-U GT100 (Mobile Action) | Photo Trackr (GisTeq) | Trackstick II (Trackstick) | Photo Trackr Lite (GisTeq) | GPS logger v. 2.4, EM-408 (SparkFun) | Custom GPS (Art of Technology) |
| GPS chipset | SIRF StarIII | SIRF StarIII | ND | SIRF StarIII | SIRF StarIII | Antaris 4 |
| Memory (records) | 16,000 | 16,000 | 4,000 | 16,000 | Variable (SD card) | 58,000 |
| Acquisition at cold/warm start (sec) | 35/38 | 36/33 | 52/37 | 36/33 | 42/38 | 33/341 |
| Weight including battery (g) | 21 | 68 | 42 | 67 | 28.3 (without battery or case) | 75 |
| Dimensions (L/W/H) in mm | 44.5/29/13 | 78/46/23 | 115/32/19 | 73/33/31 | 38/45/23 | 64/49/16 |
| Water resistant | Yes | No | Yes | Yes | NA2 | Yes |
| Programmable | Yes | Yes | Yes | Yes | Yes | Yes |
| PC connection | USB | USB | USB | USB | SD card | USB |
| Password protection | Yes | No | No | No | No | No (optional) |
| Cost (US$) | 49 | 99 | 150 | 99 | 603 | > $5003 |
1 Estimate based on alternative architecture; 2 Custom casing required. 3 Unit price depends on volume and features, this price is based on purchase of 100 units;