UM620A

UM620A

Automotive Grade Dual-frequency Multi-System dual GNSS Positioning Module

Dual-frequency navigation module based on the proprietary multi-system dual-frequency high-performance SoC, UC6580A. The module supports multi-system dual-frequency joint positioning or single-system standalone positioning, ensuring high positioning accuracy even in complex environments such as multi-path surroundings. It is a good choice for vehicle navigation.



Product Characteristics

Automotive grade dual frequency gps navigation and positioning module



Supports GPS L1C/A, L5; BDS B1I/B1C, B2a; GLONASS G1; Galileo E1, E5a; NavIC L5; QZSS; SBAS



Conforms to AEC-Q100 standard and IATF16949 standard



Anti-interference design, working stably in complex electromagnetic environments



Technical Specifications

Performance Specifications



Channel 96 channels, based on UFirebirdII

Frequency GPS L1C/A , L5

BDS B1I, B1C, B2a

GLONASS G1

Galileo E1, E5a

NavIC L5

QZSS L1, L5

SBAS

Modes Single-System Positioning

Multi-System Positioning

Time to First Fix TTFF1 Cold Start 26 s

Hot Start 2 s

Re-acquisition 2 s

Positioning Accuracy CEP1 Horizontal: 1.5 mDual-frequency quad-system 

Velocity Accuracy RMS2 0.05 m/s

1PPS 20ns

Sensitivity GNSS

Tracking            -162 dBm

Cold Start         -148 dBm

Hot Start           -158 dBm

Reacquisition    -160 dBm

Update Rate 1 Hz / 5 Hz / 10 Hz

Data Format NMEA 0183, Unicore





Physical Specifications

Dimensions 12.2 x 16.0 x 2.4 mm

Package 24 pin, SMD

Temperature Operating -40 °C 85 °C

Storage -40 °C 85 °C



Electrical Specifications

Voltage 2.7V 3.6 V DC

LNA 2.7V 3.3 V, 100 mA

Power Consumption3 300 mW



Functional Ports

2 × UART LVTTL

1 × I2C

1 × SPI

1 × 1PPS LVTTL



Functional Characteristics

Passive Antenna, Active Antenna

AGNSS

Note: Items marked with are only supported by specific firmware.

1 Open sky

2 Typical value, 30 m/s open sky 

3 68% at 30 m/s for dynamic operation?open sky

4 Open sky, continuous tracking



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