High precision inertial module fuses MEMS sensing with GNSS RTK data for attitude measurement, tilt compensation, and dead reckoning. It provides 100 Hz data output with roll and pitch accuracy down to 0.02 degrees and heading accuracy down to 0.2 degrees. The module supports UART communication, 3.0 V to 3.6 V supply operation, and 0.33 W power consumption. Mechanical size is 18.4 mm by 14.8 mm by 2.8 mm.
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| Sensor technology | MEMS with GNSS RTK fusion |
| Data rate | 100Hz |
| Supply voltage minimum | 3.0V |
| Supply voltage typical | 3.3V |
| Supply voltage maximum | 3.6V |
| Power | 0.33W |
| Current consumption minimum | 120mA |
| Current consumption typical | 130mA |
| Current consumption maximum | 140mA |
| Gyroscope range | ±1000deg/s |
| Gyroscope angle random walk | 0.17deg/√h |
| Gyroscope bias stability | ±4.5deg/h |
| Accelerometer range | ±16g |
| Accelerometer speed random walk | 0.04m/s/√h |
| Accelerometer bias stability | ±0.3mg |
| Roll and pitch accuracy | ≤0.02 (1σ)° |
| Heading accuracy | ≤0.2 (1σ)° |
| Dead reckoning accuracy | ≤1% * distance (1σ, vehicle) |
| Dimensions | 18.4 x 14.8 x 2.8mm |
| Host interfaces | UART1, UART3 for configuration, message output, and firmware upgrade; UART2 for GNSS receiver |
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