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UM670A

UM670A

Automotive Grade GNSS Navigation and Positioning Module

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

most accurate gps module

APPLICATIONS

Intelligent Driving Intelligent Driving

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

Technical Specifications

Performance Specifications

Channel96 channels, based on UFirebird II
FrequencyUM670A-03UM670A-23
BDS B1I/BIC*+B2I BDS B1I/BIC*+B2a
GPS L1C/A + L5GPS L1C/A + L2C
Galileo E1 + E5aGalileo E1 + E5b
GLONASS G1*  
GLONASS G1*+G2*
QZSS L1 + L5QZSS L1 + L2
NavIC L5* -
SBAS L1C/ASBAS L1
VSWR≤ 2.5
Input Impedance50 Ω
Antenna Gain15 dB ~ 30 dB
Time to First Fix
(TTFF)		Cold Start < 26 s
Hot Start < 2 s
Reacquisition < 2 s
Positioning AccuracyHorizontal： 1.5 m（open sky)
Vertical： 2.5 m (open sky)
Velocity Accuracy (CEP95) 0.05m/s（open sky）
1PPS Accuracy (RMS) 20 ns
SensitivityBDS+GPS+GLONASS+Galileo
Tracking-162 dBm
Cold Start-147 dBm
Hot Start-157 dBm
Reacquisition-158 dBm
Data Update Rate1 Hz / 5 Hz / 10 Hz
Correction
RTCM V3.X
Data Format
NMEA 0183, Unicore



Physical Specifications

Dimensions22.0 × 17.0 × 2.6 mm
Package54 pin, LGA
Operating Temperature-40℃ ~ + 105℃
Storage Temperature-40℃ ~ + 105℃


Electrical Specifications

Voltage2.7 V ~ 3.6 V DC
LNA2.7 V ~ 3.3 V, <100 mA
Power Consumption150 mW


Environmental Specifications

Humidity95% No condensation
VibrationGB/T 28046.3; ISO 16750.3
ShockGB/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

Download

UM670A_Product_Brief_EN_Mail
31/01/2024
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