Smart Antenna

Overview

HX-COX008A is a multi-band multi-constellation embedded smart antenna developed by Harxon. Combining Harxon’s world leading antenna technology with Unicore’s full-constellation full-frequency RTK positioning module, HX-COX008A delivers precise positioning performance in a compact and integration-ready structure. It’s able to provide single point meter level accuracy, DGPS sub-meter level accuracy and RTK centimeter/millimeter level accuracy, very suited for robots and autonomous vehicles that require precise location and precise heading.

Key Features

Integrated Design and Compact Form Factor

The compact smart antenna weighs 70g and measures Φ90*H23.6mm, featuring stable structure, good consistency, and reliable electrical performance. The antenna and module are well compatible with each other, simplifying the development process and reducing costs.

Precision-Tuned OEM GNSS Antenna

The main part of HX-COX008A is a precision tuned Harxon OEM GNSS antenna designed for high precision positioning. It excels in offering superior satellite signal tracking, including GPS, GLONASS, GALILEO, Beidou, QZSS and SBAS.

High Performance RTK Positioning Module

HX-COX008A is integrated with Unicore’s full-constellation full-frequency RTK positioning module, which integrates RF, baseband and high precision algorithm. It can track multiple frequencies of all GNSS systems, enabling high-precision RTK positioning.

Strong Anti-Interference Performance

The antenna equips a robust pre-filtered LNA that features an excellent out-of-band interference rejection performance, and the module features 60 dB narrowband anti-jamming and advanced jamming detection technology.

Parameters

PERFORMANCE

Signal Received

GPS L1C/A、/L2P（W）、L5
GLONASS L1/L2
BDS B1I/B2I/B3I
GALILEO E1/E5a/E5b
SBAS
QZSS L1/L2/L5

Nominal Impedance

50Ω

Polarization

RHCP

Axial Ratio

≤3dB

Azimuth Coverage

360°

Output VSWR

≤2.0

Peak Gain

4.5dBi

LNA

LNA Gain

23±2dB

Noise Figure

≤2dB

Output VSWR

≤2.0

Passband Ripple

±2dB

Differential Propagation Delay

≤10ns

RTK Connection

Positioning Module

UM960

Single Point Accuracy

Vertical: 2.5m

DGPS Accuracy

Horizontal: 0.4m
Vertical: 0.8m

RTK Accuracy

Horizontal: 0.8cm+1ppm
Vertical: 1.5cm+1ppm

Timing Accuracy (RMS)

20 ns

Velocity Accuracy (RMS)

0.03 m/s

Channels

1408

Time to First Fix

Cold Start＜30s
Warm Start＜20s
Hot Start＜5s

Initialization Time

＜5s (Typical)

Initialization Reliability

＞99.9%

Data

Data Refresh Rate: 50Hz Positioning
Differential Data: RTCM 3.X
Data Format: NMEA-0183, Unicore

Operation Voltage

3.3-5V

Power Consumption

500mW (Typical)

Constellation Tracking

＞40

MECHANICAL

Dimensions

Φ90*H23.6mm

Weight

≤70g

Connector

GH1.25-6P

Mounting

4 x M3 Screws

Interface Pin Order

1：VCC 2：TX2
3：RX2 4：RX1
5：TX1 6：GND

ENVIRONMENTAL

Operating temperature

-40℃ to +85℃

Storage temperature

-55°C to +95°C

Humidity

95% non-condensing

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