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
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
Channel | 96 channels, based on UFirebird II |
Frequency | GPS 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)1 | Cold 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)2 | 0.05 m/s (GNSS) |
1PPS | 20ns |
Sensitivity | GNSS |
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 |
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 |
Voltage | 2.7V ~ 3.6 V DC |
LNA | 2.7V ~ 3.3 V, <100 mA |
Power Consumption3 | 150 mW |
2 × UART (LVTTL) | |
1 × I2C* | |
1 × SPI * | |
1 × 1PPS (LVTTL) |
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