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UM220-IV L

UM220-IV L

Single-frequency Multi-GNSS Timing Module

UM220-IV L is a timing module developed for telecom timing and electrical grid timing, supporting GPS, BDS, GLONASS, and Galileo. The module is based on Unicore's proprietary low power SoC-UFirebird UC6226, and supports multi-mode timing. It features high accuracy, high stability, high reliability, and is suitable for large-scale GNSS timing appilications.


Ordering Information

Supply at multiples of 500 pieces



galileo satellite system

APPLICATIONS

Precision Timing Precision Timing

Product Characteristics

  • Multi-mode single-frequency timing, with the timing accuracy better than 20ns

  • Supports GPS + BDS/GLONASS + Galileo, as well as BDS-3 signals

  • Supports single satellite timing, ensuring high reliability even if there is only one visible satellite

  • Supports antenna open circuit warning and short circuit protection

  • Compatible with mainstream GPS timing modules and saving cost


Technical Specifications

Performance Specifications

Channel

64 channels, based on UFirebird

Frequency

GPS L1C/A

BDS B1I

GLONASS G1

Galileo E1

Positioning Modes

Single-System Standalone Positioning

Multi-System Joint Positioning

Positioning Accuracy(RMS)

Horizontal: 2.0 m

Vertical: 3.5 m
Time to First Fix (TTFF)

Cold Start < 30 s

Hot Start < 1 s

Reacquisition < 1 s

1PPS

Better than 5 ns (1σ)

SensitivityGNSS

Tracking            -160 dBm

Acquisition        -147 dBm

Hot Start           -155 dBm

Reacquisition    -155 dBm

Update Rate1 Hz

Data Format 

NMEA 0183, Unicore


Physical Specifications

Dimensions

17.0 × 22.4 × 2.4 mm

Weight1.7 g
Package

28 pin SMD

Operating Temperature

-40 °C ~ +85 °C

Storage Temperature

-40°C ~ +85°C


Electrical Specifications

Voltage3.0 V ~ 3.6 V DC
LNA

3.0 V ~ 3.3V, < 100 mA

Power Consumption2

62 mW @3.3V


Functional Ports

2 x UART (LVTTL)

1 x 1PPS (LVTTL)

Functional Characteristics

Passive antenna, active antenna

Single satellite timing mode


NOTE: The parts marked with * are supported by specific firmware.

1 Typical value, < 30 m/s open sky

2 Open sky, continuous tracking

Download

UM220-IV L_Product_Brief_En
31/01/2024
VIEW
UM220-IV L_User Manual_EN_R1.5
27/05/2024
VIEW
UM220-IV L_Hardware Reference Design_EN_R1.2.pdf
27/06/2024
VIEW
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