and standard features, including DB9 series port, Wi-Fi and 3G/4G, provides?entire
solutions for high-accuracy GIS applications. The fully-rugged IP rateis designed
for field use. T21 come ready for you with application possibilitiesin power
companies, agriculture and geological industries, forestry, fieldservice,GIS/surveying
and so on.
| Item | T21 | |
| Overview | Processor | 1GHZ |
| RAM | 512M | |
| ROM | 1GB | |
| Operation System | Windows Embedded Handheld | |
| Camera | 5megapixel | |
| Keypad | 62 numeric + programmable keys | |
| Display | 5" sunlight readable with integrated touch screen??? 800*480 | |
| Dimension | 283mm × 158mm × 50mm | |
| GNSS Performance | GNSS（Optional） | GPS L1+BD L1/GPS L1+GLONASS L1 |
| Channels | 72 | |
| Raw Data | Alternative | |
| NMEA-0183 | √ | |
| Rove/Base | Alternative | |
| Accuracy (Internal Accord accuracy) |
Autonomous | 2.5m |
| SBAS | 2m | |
| RTK | - | |
| Communications and Data Storage | WIFI | √ |
| USB port | Type B USB | |
| Serial port | DB9 | |
| Storage extension | TF card | |
| Long range Bluetooth | Optional (along with standard bluetooth) | |
| Bluetooth | V2.1 | |
| Datalink | 3G/4G | |
| Power | DC input | DC 5V，2A |
| Detachable Li-ion battery | 6500mAh, 3.7V | |
| Working time | >8h | |
| Environment Specification | Operating temperature | ‐30℃ ~ +60℃ |
| Storage temperature | ‐30℃ ~ +80℃ | |
| Sand, dust&water | IP67 | |
| Drop | 1.2m protection | |
| Supported? Software | Supported? Software | SurvCE，F(xiàn)ieldGenius |