Navisys GR-U01 RS232 GNSS Receiver (Industrial Grade, U-blox M10 "10th Generation" GNSS Chip, 1.5m Accuracy, 18Hz Update Rate, Ultra-low Power Consumption, IPX7 Waterproof, Fully EMI Shielded, Operating Temperatures from -40°C to +85°C)

The NaviSys GR-U01 is an industrial-grade GNSS receiver built on u-blox’s M10 Base GNSS engine, featuring ultra-low power consumption at just 16 mA without compromising its 1.5-meter accuracy.

The GR-U01 supports concurrent tracking of all four L1 GNSS constellations: GPS, GLONASS, Galileo, and BEIDOU, with an impressive update rate of up to 18 Hz.

It excels with advanced features such as anti-jamming and RF interference detection, as well as spoofing detection and reporting, ensuring reliable and secure positioning in challenging environments.

Despite its advanced capabilities, the GR-U01 maintains a compact form factor, with dimensions of 40 x 45 x 16 mm. The receiver is an industrial and commercial grade GNSS receiver with IPX7 waterproof, fully EMI shielded, and operates within a wide temperature range from -40°C to +85°C.

u-blox "U-Center 2" Tool

The GR-U01 utilizes the u-blox M10 chip, ensuring full compatibility with the latest u-center 2 software for fast and efficient GNSS receiver configuration in key applications. u-blox offers comprehensive user and developer documentation to support easy evaluation and streamlined development.

The U-center 2 software is specifically designed for u-blox M10 and F10 products. It is available for free download from the u-blox website, and we have also provided a copy below for your convenience.

Navisys "NaviViewerUx" Tool

In addition to the comprehensive U-Center 2 tool, the manufacturer Navisys also provides a convenient tool for easy configuration and diagnostics of the GR-U01 GNSS receiver.

Receiver Specifications

GNSS receiver type:

• u-blox M10 engine

• GPS, SBAS: L1 C/A: 1575.42 MHz

• QZSS: L1 C/A/S: 1575.42 MHz

• Galileo: E1 B/C: 1575.42 MHz

• GLONASS: L1OF: 1598.0625~1605.375 MHz

• BeiDou: B1I: 1561.098 MHz; B1C: 1575.42 MHz

Horizontal Position Accuracy:

• 1.5m (GPS+QZSS+SBAS)

(CEP, 50%, 24hr static, -130dBm, 6+ SVs for each system)

Velocity Accuracy:

• <0.05 m/s (speed)

• <0.3° (heading)

(50%@30 m/s)

Accuracy of Time Pulse Signal:

• RMS: 30 ns, 99%: <60 ns

• 0.5 ms for PPS over USB

TTFF (Time to First Fix):

• Hot Start: 1 sec

• Cold Start:

• 28 s: GPS+GAL

• 23 s: GPS+GAL+GLO

• 27 s: GPS+GAL+BDS B1I (default)

• 28 s: GPS+GAL+BDS B1C

• 23 s: GPS+GAL+GLO+BDS B1C

Sensitivity dBm (Autonomous):

• Acquisition: -148 (GPS & Galileo or more)

• Tracking: -167 (GPS & Galileo or more)

Measurement Data Output:

• UART: N,8,1; bauds 4800, 9600, 19200, 38400 (default), 57600, 115200, 230400, 460800, 921600 bps;

• NMEA versions 2.1, 2.3, 4.0, 4.10, and 4.11 (default)

• UBX (u-blox proprietary)

• GGA, GLL, GSA, GSV, RMC, VTG, TXT

• Datum: WGS-84

Navigation Update Rate:

• Default 1Hz

• 5 Hz for GPS+GAL+GLO+BDS B1C

• 8 Hz for GPS+GAL+BDS B1C

• 5 Hz for GPS+GAL+BDS B1I

• 7 Hz for GPS+GAL+GLO

• 10 Hz for GPS+GAL

• 18 Hz for GPS only

Max. Altitude:

• < 80,000 m

Max. Velocity:

• < 500 m/s

Augmentation Support:

• SBAS: WAAS, EGNOS, MSAS, GAGAN

• QZSS (L1S SLAS)

Dynamics:

• < 4g

Power Consumption:

• (29 GNSS SVs fixed for tracking)

• USB: 59 / 56 mA

• RS232: 22 / 19 mA

• TTL: 19 / 16 mA

Power Supply:

• 3.3 ~ 5.5 V

Backup Power:

• 3.3 V

Dimension:

• 40 (W) x 45 (L) x 16 (H) mm

Cable Length:

• 1.5 m for GR-U01U (default, customizable)

• 3 m for GR-U01R

• <1 m for GR-U01T

Operating Temperature:

• -40°C to +85°C (-20~60°C for backup battery)

Storage Temperature:

• -40°C to +85°C (-40~60°C for backup battery)

Package Content:

• Navisys GR-U01 GNSS Receiver x 1