High Precision GNSS Receivers, Antennas & OEM Boards for UAV, UGV, USV & Robotics | Wireless Datalinks

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ComNav Technology is a leading developer of innovative GNSS positioning solutions for UAVs (unmanned aerial vehicles), drones, UGVs (unmanned ground vehicles), USVs (unmanned surface vehicles) and other robotic platforms.

Our high-precision GNSS modules and positioning technologies deliver improved reliability and enhanced productivity for a wide variety of civil and commercial applications, including land and aerial surveying and mapping, precision agriculture and robotic systems control.

GNSS OEM Modules

The newly launched K8 Series OEM modules incorporate the latest QUANTUM III SoC chip, to provide more reliable and accurate positioning data in challenging environments. Featuring smaller size, lower power consumption, and a surface-mounted design, K8 series modules can be more easily integrated into a wider range of applications.

K803 — Full-constellation GNSS OEM board with onboard IMU

k803 GNSS OEM moduleThe K803 is a full-constellation and full-frequency SMD GNSS OEM module. With an advanced QUANTUM III SoC chip, it provides robust RTK and high-accuracy positioning data in challenging environments, such as city overpasses and urban canyons. Positioning accuracy is verified in this test report.

Furthermore, its performance during lock-lose is enhanced by an onboard IMU to provide responsive and seamless positioning. The ultra-small size and 1.0W low power consumption, makes it easy to integrate and ideal for unmanned applications.

The K803 is also available in a number of variants with different GNSS frequency options.

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K803 Lite (L1) – High-precision GNSS board for precision agriculture

K803 Lite L1 OEM BoardThe K803 Lite (L1) is a full-constellation OEM GNSS board featuring advanced DP filtering for smooth positioning capabilities. The compact and lightweight board delivers excellent pass-to-pass accuracy without the need for GNSS correction data.

The K803 Lite (L1) board utilises the same pin definition as many common brands, providing users with a seamless drop-in upgrade solution. When paired with the AT360 geodetic antenna, the board is an ideal positioning solution for precision agriculture and machine control applications.

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K823 – Full-constellation dual-antenna GNSS module

K823 GNSS OEM moduleThe K823 is a full-constellation and dual-frequency SMD GNSS OEM board. Incorporating an advanced QUANTUM III SoC chip, it provides robust RTK and high-accuracy positioning data in challenging environments, such as city overpasses and urban canyons.

Designed with an onboard IMU module, it can provide continuous and high-quality positioning data with inertial navigation fusion algorithm. The ultra-small size and 1.6W low power consumption, make it an ideal choice for OEM integrators. The K823 module can be applied in a wide range of industries, including UAVs, driverless cars and IoT.

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K8 Module Test Report

ComNav Technology’s R&D team conducted a contrastive field test in order to verify the performance of the K8 OEM modules. In the test, the K8 series OEM modules were tested against three other manufactures in different environments. Watch the test video below:

 

View Test Report of K8 module >

GNSS OEM Board Comparison

Model K803 K803 Lite (L1) K803 Lite K803S K823
Size (mm) 30x30x3.2
Weight (g) 8 8 8 8 10
Consumption 1.0W 0.85W 0.85W 0.95W 1.6W
Channels 965 965 965 965 1226
GPS L1C/A,L2C,L2P,L5 L1 L1,L2 L1,L2,L5 L1C/A,L2C,L2P
GLONASS L1,L2 L1 L1,L2 L1,L2 L1,L2
BDS B1,B2,B3 B1 B1,B3 B1,B2,B3 B1,B2,B3
Galileo E1,E5a,E5b E1 E1,E5b E1,E5a,E5b E1,E5b
SBAS L1 L1 L1 L1 L1

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GNSS Antennas

AT190 – High-gain helical antenna for unmanned vehicles

The AT190 is a high-stability helix antenna for UAVs, UGVs and other unmanned vehicles, with peak gain of greater than 3.5 dBi and a wide beam for reliable signal reception even at low elevation angles. The waterproof IP67-rated construction makes the AT190 ideal for harsh environments.

AT190 GNSS Antenna

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AT340 – Geodetic antenna for UGVs and ground robots

The AT340 is a high-performance geodetic antenna designed for UGVs, precision agriculture robotics, land surveying vehicles and other ground-based systems. The multi-feed design provides a stable phase centre and excellent multipath rejection capability, and the high gain and wide beam deliver enhanced signal tracking capabilities even at low elevation angles.

AT340 - Geodetic antenna

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AT410 – 4-in-1 GNSS antenna for marine & land robotics

The AT410 is a high-performance GNSS antenna that features Bluetooth, Wi-Fi and 4G connectivity as well as full-constellation GNSS tracking. With low-noise and high gain, it has been specifically designed to simplify development of positioning-related applications for systems integrators.

AT410 GNSS antenna

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Range Comparison

Model AT190 AT340 AT410
Size ⌀27.5 * 59mm ⌀152 * 62.2mm ⌀135 * 26mm
Weight 25g 374g ≤ 200 g
Antenna Type Helix Geodetic Multifunction
GPS L1,L2,L5 L1,L2,L5 L1,L2,L5
GLONASS L1,L2 L1,L2 L1,L2
BeiDou B1,B2,B3 B1,B2,B3 B1,B2,B3,B1C,B2a
Galileo E1,E5a,E5b E1,E5a,E5b E1,E5a,E5b,AltBoC
SBAS
L-Band
Polarization RHCP RHCP RHCP
Gain at Zenith 2dBi 5.5dBi GNSS: 5.5dBi
BT/WIFI: 1dBi
4G: 0.5dBi
LNA Gain 33 ±2dB 40dB 40dB ±2dB

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GNSS Receiver Modules

T300 – RTK GNSS receiver with built-in comms

The compact T300 features centimetre-level precision, a hot-swappable battery and built-in GPRS/GSM/4G communications. With full tracking of all current and planned GNSS constellations, it is ideal for unmanned survey vehicles operating worldwide.

T300 - RTK GNSS receiver

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N3 – Low-power GNSS receiver with built-in IMU

The N3 is a low-power full-constellation GNSS receiver that provides over 24 hours of uninterrupted operations.

The integrated inertial sensors feature optimized algorithms and a simplified initialization process, delivering 2cm accuracy at 60° tilt. Enhanced UHF communications provide operational ranges of up to 15 km, and the receiver also supports WiFi, 4G and Bluetooth transmission.

N3 – Low-power GNSS receiver with built-in IMU

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M300 Mini – Miniature GNSS receiver with integrated modem

The M300 Mini is a miniature multifunctional GNSS receiver module featuring customizable accuracy down to centimetre-level. With an integrated UHF/GPRS modem, the M300 Mini can take advantage of NTRIP CORS corrections.  The rugged receiver is ideal for UGVs, surveying, precision agriculture and other ground-based and marine applications.

M300 Mini - Miniature GNSS receiver

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M300 Pro – Full-featured GNSS module with remote control

The M300 Pro is a robust, future-proof full-constellation GNSS solution for land and marine applications. Featuring a user-friendly front panel display and a built-in webserver with high capacity and expandable memory, it provides full remote monitoring and control of configuration, status, firmware upgrading and more. Data can be transferred via RTCM, ComNav binary, NMEA, BINEX, and NTRIP protocols.

M300 Pro GNSS Receiver Module

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M300 Plus – GNSS receiver

The M300 Plus provides full tracking of all current and planned GNSS satellite constellations, and is ideal for marine and land-based unmanned systems as well as reference stations. It features powerful adaptive detection and cancelling technology for enhanced anti-jamming capabilities, maintaining high reliability even under adverse conditions. The compact, flexible receiver can transmit data either via Ethernet or 4G modem.

M300 Plus GNSS Receiver Module

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M900 – Rugged GNSS receiver with integrated IMU

The M900 is a rugged dual-antenna multi-constellation receiver with built-in IMU for enhanced continuous positioning capabilities. Featuring flexible Bluetooth/UHF/WiFi/4G communications, it includes a built-in webserver for easy configuration over LAN and WiFi. The IP68-rated unit is ideal for UGVs, USVs and machine control applications.

M900 GNSS Receiver

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Range Comparison

Model Size Weight Consumption
T300 ⌀158 x 75mm 950g 3.1W
N3 ⌀155 × 73 mm 1.2kg 1.7W
M300 Mini 191 x 142 x 52mm 800g 2.5W
M300 Pro 202 x 163 x 75mm 2400g 3.5W
M300 Plus 225 × 176 × 67mm <2kg <5W
M900 185 x 171 x 56mm 1kg 3W

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Wireless Datalink Modems

Wireless radio modules for unmanned systems

The U50 and U70 are surface-mount wireless radio modules specifically designed to be easily integrated into systems requiring real-time wireless RX/TX capabilities for GNSS applications.

Featuring adjustable frequency from 410 to 470 MHz and channel spacing of 12.5 kHz, the low-SWaP modules are ideal for UAVs, UGVs and other robotic vehicles.

U50 Datalink Module
U70 Datalink Module

Wireless Datalink Module Comparison:

Model U50 U70
Size (mm) 40x30x3 30x30x3
Weight (g) 10g 8g
Output Power 0.5W/1W/2W selectable 33dBm ± 1.5dB
Air Baud Rate 9600/19200 bps selectable 12 Kbps
Modulation GMSK CSS
Protocol Transparent/South- /Mac/TT450S LoRa

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High Precision GNSS Receivers, Antennas & OEM Boards for UAV, UGV, USV & Robotics | Wireless Datalinks
ComNav Technology Contact Directly Follow Company
Head Office Building 2, No.618 Chengliu, Middle Road, 201801, Shanghai, China +86 21 64056796 [email protected] Visit Website