Navisys

GeoAstra GC-9140KB Industrial-Grade USB-C GNSS Receiver (USB Type-C, 25 Hz update rate, IP67 waterproof, full constellation support, u-blox M9140-KB chip)

Name: GeoAstra GC-9140KB Industrial-Grade USB-C GNSS Receiver (USB Type-C, 25 Hz update rate, IP67 waterproof, full constellation support, u-blox M9140-KB chip)
Brand: Navisys
Price: 109.00 CAD
Availability: InStock

$109.00 CAD

Sale Sold out

Country of Origin: Taiwan

Powered by the advanced u-blox UBX-M9140-KB chip, the GeoAstra GC-9140KB delivers fast, stable, and accurate positioning for demanding applications. It supports concurrent reception of multiple GNSS constellations, including GPS, GLONASS, Galileo, BeiDou, QZSS, and SBAS, helping ensure dependable performance even in complex environments. It supports both NMEA 0183 and UBX protocols, making it an excellent solution for drones, UAVs, robotics, surveying, automotive navigation, and other professional GNSS applications.

Demo only - tablet not included.

Features

USB Type-C Plug-and-Play Convenience

Equipped with a standard USB Type-C interface, the GC-9140KB offers easy reversible connection and true plug-and-play operation with computers, tablets, smartphones, and embedded systems. No complicated setup is required. The GC-9140KB is Android OTG compatible.

Up to 25 Hz Update Rate for Dynamic Applications

Designed for real-time positioning tasks, the GC-9140KB supports configurable update rates from 0.25 Hz up to 25 Hz, delivering smooth and responsive performance for high-speed and high-dynamic environments.

Built for Harsh Outdoor and Industrial Environments

The receiver features an IP67 waterproof and dustproof housing, making it well suited for demanding outdoor and industrial use. Its compact size of φ54 × 21 mm allows for easy installation in space-constrained applications, while its rugged design supports operation and storage in temperatures from -40°C to +85°C.

Secure and Stable Mounting

For reliable everyday use, the bottom of the receiver features an N35 magnetic base combined with a silicone anti-slip pad, helping it stay firmly in place on compatible surfaces.

Ideal for Professional GNSS Applications

Whether you are integrating GNSS into an industrial system, using it for field work, or deploying it in mobile platforms, the GeoAstra GC-9140KB combines performance, durability, and convenience in one compact solution.

Tech Specs

GNSS Features

GNSS Chip	M9140-KB
GNSS Bands	GPS L1 C/A, BDS B1I, GLONASS L1OF, Galileo E1B/C, QZSS L1 C/A/S, SBAS L1 C/A
Receiving Mode	GPS + BDS + GLONASS + GALILEO + SBAS + QZSS
SBAS Systems	WAAS, EGNOS, MSAS, GAGAN
Channels	92 tracking channels

Sensitivity

Tracking	-167 dBm
Re-acquisition	-160 dBm
Cold Start	-148 dBm
Hot Start	-159 dBm

Accuracy

Horizontal	1.5 m CEP (with SBAS)
Velocity	0.05 m/s
Heading	0.3 deg
1PPS Timing	RMS 30 ns, 99% ≤ 60 ns

Time Characteristics

Cold Start	24 s
Warm Start	2 s
Hot Start	1 s (with backup battery)

Performance Limits

Max Altitude	≤ 50,000 m
Max Speed	≤ 500 m/s
Max Acceleration	≤ 4 g

Data Output

Baud Rate	4800 bps - 921600 bps, auto-baud
I/O Level	USB level
Protocols	NMEA-0183, UBX
NMEA Sentences	GGA, GSV, GLL, GSA, GST, RMC, VTG, ZDA
Update Rate	0.25 Hz - 25 Hz configurable, default 1 Hz
Flash	8 MB on-board Flash, settings saved after power off

Physical Properties

Supply Voltage	DC 5.0 V
Current	55 mA @ 5.0 V
Dimensions	φ54 × 21 mm
Weight	58 g
Connector	USB-C
Cable Length	1.5 m
Mounting	Magnet
Waterproof	IP67

Working Environment

Operating Temperature	-40°C to +85°C
Storage Temperature	-40°C to +85°C

LED Indicator

Power & PPS

On when powered; blinks after 3D fix

Demo: Accuracy reading from u-blox u-center software (0.762 m)

GC-9140KB accuracy reading in u-center software

Demo: Output sample

Dimensions

PIN Layout

GeoAstra GC-9140KB USB-C pinout and layout

Product Resources

Documents:

U-Center GNSS evaluation software for Windows user guide

Driver Downloads:

(For Windows 10, Windows 11, Android, and Linux, native drivers are already included with the operating system. There’s no need to download or install additional drivers. Simply plug in the GNSS receiver, and it will be recognized and start working immediately.)