UM670A is a GNSS dual -frequency navigation module developed by Unicore for the intelligent driving market. Based on the proprietary multi -system dual-frequency high-performance SoC - UC6580A, the Module supports concurrent operation of GPS, BDS, GLONASS*, Galileo, QZSS and NavIC*. Different sub-models use different frequencies (L1+L5 or L1+L2) to perform single point positioning and also provide raw data output.
Ordering Information
Supply at multiples of 250 pieces
Technical Specifications
Supports concurrent operation of GPS, BDS, GLONASS and Galileo
Dual-frequency single point positioning, providing higher accuracy and reliability compared to single-frequency solution
Supports A-GNSS to reduce the TTFF
GNSS chip qualified according to AEC-Q100 and production process conforms to IATF16949
Anti-jamming design to ensure the module working stably in complex electromagnetic environment
Supports raw data output
Performance Specifications
Channel | 96 channels, based on UFirebird II |
Frequency | UM670A-03: BDS B1I/BIC*+B2I GPS L1C/A + L5 Galileo E1 + E5a GLONASS G1* QZSS L1 + L5 NavIC L5* SBAS L1C/A UM670A-23: BDS B1I/BIC*+B2a GPS L1C/A + L2C Galileo E1 + E5b GLONASS G1*+G2* QZSS L1 + L2 SBAS L1 |
VSWR | ≤ 2.5 |
Input Impedance | 50 Ω |
Antenna Gain | 15 dB ~ 30 dB |
Time to First Fix | Cold Start < 26 s |
(TTFF) | Hot Start < 2 s Reacquisition < 2 s |
Positioning Accuracy | Horizontal: 1.5 m(open sky) Vertical: 2.5 m (open sky) |
Velocity Accuracy (CEP95) | 0.05m/s(open sky) |
1PPS Accuracy (RMS) | 20 ns |
Sensitivity | BDS+GPS+GLONASS+Galileo |
Tracking | -162 dBm |
Cold Start | -147 dBm |
Hot Start | -157 dBm |
Reacquisition | -158 dBm |
Data Update Rate | 1 Hz / 5 Hz / 10 Hz |
Correction | RTCM V3.X |
Data Format | NMEA 0183, Unicore |
Physical Specifications
Dimensions | 22.0 x 17.0 x 2.6 mm |
Package | 54 pin, LGA |
Operating Temperature | -40℃ ~ + 105℃ |
Storage Temperature | -40℃ ~ + 105℃ |
Electrical Specifications
Voltage | 2.7 V ~ 3.6 V DC |
LNA | 2.7 V ~ 3.3 V, < 100 mA |
Power Consumption | 150 mW |
Environmental Specifications
Humidity | 95% No condensation |
Vibration | GB/T 28046.3; ISO 16750.3 |
Shock | GB/T 28046.3; ISO 16750.3 |
Interfaces
1 x UART*(LVTTL)
1 x I2C*
1 x SPI*
1 x 1PPS
RESET_N
1 × 1PPS (LVTTL)
Antenna
GNSS antenna × 1
Note: * Supported by specific firmware