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UM620

UM620

Industrial-grade Dual-frequency Multi-GNSS Positioning Module

UM620 is an industrial-grade GNSS dual-frequency navigation module developed by Unicore Communi -cations. Based on the proprietary multi-system dual-frequency high-performance SoC-UC6580I, the module supports multi-system dual-frequency positioning, multi-system single-frequency positioning, or single-system standalone positioning, ensuring high positioning accuracy even in complex environments such as multi-path surroundings.


Ordering Information
Supply at multiples of 500 pieces

multi gnss

Product Characteristics

  • Industrial grade dual-frequency navigation and positioning module

  • Supports  GPS L1 C/A, L5; BDS B1I, B1C*, B2a; GLONASS G1; Galileo E1, E5a; NavIC L5*; QZSS and SBAS

  • Supports multi-system dual-frequency positioning, multi-system single-frequency positioning, or single-system standalone positioning

  • Anti-jamming design to ensure the module working stably in complex electromagnetic environments

  • Algorithm adaptable to low-dynamic application scenarios


Technical Specifications

Performance Specifications

Channel
96 channels, based on UFirebird II
FrequencyGPS L1C/A, L5
BDS B1I, B1C*, B2a
GLONASS G1
Galileo E1, E5a
NavIC L5*
QZSS L1, L5
SBAS L1C/A
Modes

Single-System Standalone Positioning

Multi-System Joint Positioning

Time to First Fix (TTFF)1Cold Start: < 26 s
Hot Start: < 2 s
Re-acquisition: < 2 s
Positioning Accuracy(CEP)1

1.5 m (Dual-frequency quad-system, horizontal)

Velocity Accuracy(RMS)20.05 m/s (GNSS)
1PPS20ns
SensitivityGNSS
Tracking            -162 dBm
Cold Start         -148 dBm
Hot Start          -158 dBm
Reacquisition   -160 dBm

Data Update Rate

1 Hz / 5 Hz* / 10 H

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

Voltage2.7V ~ 3.6 V DC
LNA2.7V ~ 3.3 V, <100 mA
Power Consumption3

150 mW


Functional Ports

2 × UART (LVTTL)

1 × I2C*
1 × SPI *
1 × 1PPS (LVTTL)


Functional Characteristics

Passive Antenna, Active Antenna
AGNSS*

Note: * upported by specific firmware.

1 Open sky
2 68% at 30 m/s for dynamic operation, open sky
3 Open sky, continuous tracking




Download

UM620_Product_Brief_EN
11/03/2025
VIEW
UM620 Series Modules_User Manual_EN_R2.1
27/02/2024
VIEW
UM620 Series_Hardware Reference Design_EN_R2.1
27/02/2024
VIEW
UFirebirdII Series Protocol Specification_EN_R1.4
22/08/2025
VIEW
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