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| Model | TW4 |
| GSM specifications | |
| GSM chip | SIMCOM-A7670SA |
| GSM channel | LTE-FDD:B1/B2/B3/B4/B5/B7/B8/B28/B66; GSM/GPRS/EDGE 850/900/1800/1900MHz |
| Communication mode | TCP/IP |
| Maximum output | LTE-FDD B1/B3/B5/B8: 23dBm±2dB; LTE-TDD B34/B38/B39/B40/B41: 23dBm±2dB |
| GPS specifications | |
| GPS chipset | UC6228CI |
| Positioning mode | GPS+BD+LBS+WiFi |
| Positioning accuracy | <10 meters |
| Tracking sensitivity | -160 dbm |
| Positioning time | Avg. hot start <2s; Avg. cold start <38s |
| Working parameters | |
| Operating voltage | DC 5V/600mA (type-c) |
| Battery options | 1200mAh / 3000mAh / 6000mAh / 10000mAh |
| Operating temperature | -20°C to +60°C |
| Dimensions (TW4P) | 83*59*30mm³ 10000mAh |
| Weight (TW4P) | 230g |
We provide a series of GPS trackers including 2G, 4G, wired, and wireless models, alongside a professional tracking platform supporting 186 models. Established in 2011, we have extensive experience in domestic and overseas markets, offering high-quality devices for fleet management and personal security.
