
EVK-M91 套件
u-blox M9 GNSS 评估套件
u-blox M9 标准精度 GNSS 芯片
Standard
Professional
Automotive
UBX-M9140-KA
u-blox M9 GNSS 芯片,40 引脚 QFN,汽车级
UBX-M9140-KB
u-blox M9 GNSS 芯片,40 引脚 QFN,专业级
| Product variants | UBX-M9140-KA | UBX-M9140-KB |
|---|---|---|
| GNSS | BeiDou, Galileo, GLONASS, GPS / QZSS | |
| Number of concurrent GNSS | 4 | |
| Oscillators | TCXO | |
| UART x 2 | ✓ | |
| USB | ✓ | |
| SPI | ✓ | |
| I2C | ✓ | |
| Maximum supply [V] | 3 | |
| Minimum supply [V] | 1.8 | |
| Maximum temperature [°C] | 105 | 85 |
| Minimum temperature [°C] | -40 | |
| Active antenna / LNA supply | ✓ | |
| Antenna supervisor | ✓ | |
| Data logging | ✓ | |
| FW update via serial interface | ✓ | |
| Internal oscillator | ✓ | |
| RTC crystal | ✓ | |
| Time pulse output | ✓ | |
| Dimensions [mm] | 5.0 x 5.0 x 0.59 | |
| AssistNow | ✓ | |