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UB4B0M

UB4B0M is a compact high precision board supporting RTK positioning. Using the self-developed proprietary multi-system multi-frequency high-performance SoC Nebulas-II, the board features low power consumption and offers millimeter-level carrier phase observation value as well as centimeter-level RTK positioning, supporting chip-level multi-path mitigation. The leading instantaneous RTK technology is especially suitable for high-precision navigation and positioning applications.

APPLICATIONS

Ground-Based Augmentation System

CORS Reference Station

Surveying and Mapping

FEATURES

Based on Nebulas-II high-performance SoC, with 432 super channels
Support BDS, GPS, GLONASS, Galileo and QZSS, including Beidou-3 signal
Centimeter-level high-precision RTK positioning, better than 1mm carrier phase observation value
Support single system standalone positioning and multi-system joint positioning
Support multi-path suppression technology
Support 3 x UART and 1 x 1PPS
Compatible with mainstream GNSS OEM boards

Exceptional performance meets great price

All-constellation All-frequency
Compatible size and PIN layout
Compact Size with lowest power consumption
Super cost-effective

Customized Services

Supports customized protocol
Firmware quick update and iteration
Widely adopted by main stream surveying RTK equipments, UAV base stations

Core Technology

Advanced multi-path mitigation technology
Low elevation tracking technology
Fast Carrier Phase Polarity Determination

Technical Specifications

Performance Specifications

Channels	432 channels, based on Nebulas-II GNSS SoC		Velocity Accuracy (RMS)	0.03m/s
Frequencies	BDS B1/B2/B3		Time Accuracy (RMS)	20 ns
	GPS L1/L2/L5		Initialization time	5 s (typical)
	GLONASS L1/L2		Cold Start	＜25 s
	Galileo E1/E5a/E5b		Initialization Time	＜5 s(typical)
	QZSS L1/L2/L5		Initialization reliability	> 99.9%
	SBAS L1		Reacquisition	< 1s
Single point positioning (RMS)	Horizontal：1.5 m		Correction	RTCM 2.3/3.0/3.2
Single point positioning (RMS)	Vertical：2.5 m		Data Output	NMEA-0183，Unicore
DGPS(RMS)	Horizontal：0.4 m		Data Output	NMEA-0183，Unicore
DGPS(RMS)	Vertical：0.8 m		Update Rate	20 Hz
RTK(RMS)	Horizontal：0.8 cm + 1 ppm		Inertial Navigation Accuracy	< 5%x droving distance(No GNSS signal，within 30s)
RTK(RMS)	Vertical：1.5 cm + 1 ppm		Network Protocol	NTRIP、TCP/IP
Observation Accuracy(RMS)	BDS	GPS	GLONASS	Galileo
B1/L1(C/A)/E1 Code	10cm	10cm	10cm	10cm
B1/L1/E1 Carrier Phase	1mm	1mm	1mm	1mm
B2/L2P(Y)/L2C/E5b Code	10cm	10cm	10cm	10cm
B2/L2p(Y)/L2C/E5b Carrier Phase	1mm	1mm	1mm	1mm

Physical Specifications

Dimensions	46 × 71 × 9 mm
Weight	26 g
I/O Connectors	2 x 10 pin
Antenna Input	1 × MMCX

Environmental Specifications

Temperature	Operating	-40°C ~ +85°C
	Storage	-55°C ~ +95°C
Humidity	95% non-condensing
Vibration	GJB150.16-2009， MIL-STD-810
Shock	GJB150.18-2009， MIL-STD-810

Electrical Specifications

Voltage	3 VDC + 5 %
LNA	4.75 ~ 5.10 V, 0 ~ 100 mA
Ripple Voltage	100mV p-p（max）
Power Dissipation	1.8 W (Typical)

Functional Ports

Serial	3 x UART (LVTTL)
PPS	1 x 1PPS (LV-TTL)

Download

UB4B0M_Product_Brief

25/12/2023

VIEW

UB4B0M_User_Manual_EN_R4.1

25/12/2023

VIEW

Related Products

UM980

UM960

Product Data Sheet Request

Comprehensive product feature specifications.

Please provide your contact information via this contact form and we will email you an electronic copy of the comprehensive product data sheet immediately. Select the subscription option to be sent future versions of the data sheet as new data is added, or amendments are applied.

CONTACT

Tel:+86-10-69939800
Sales tel:+86-10-69939828
Fax:+86-10-69939888
E-mail:info@unicorecomm.com

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