Overview

Harxon HX-CSX349A is a full-frequency-band GNSS surveying antenna supporting GPS, GLONASS, BDS and Galileo. It is designed for compatibility with a wide range of GNSS receivers, and features high gain, wide coverage, stable reception, refined structure and high environmental reliability. With reliable and consistent positioning performance, it is ideal for integration into various surveying and RTK applications.

Key Features

High phase center stability

The antenna adopts an advanced multipoint feeding design to align the phase center closely with the geometric center, effectively minimizing the impact of antenna measurement errors. This ensures highly stable phase center performance and enables more accurate and reliable positioning results.

Reliable Tracking in Challenging Environments

With features such as optimized gain and wide beamwidth, the antenna maintains strong signal reception even at low elevation angles. It enables fast satellite acquisition and stable GNSS signal output in complex environments with obstructions, such as forests and urban areas.

Robust Structure Design

The antenna integrates communication and GNSS antenna technologies through a one-piece molded structure using proprietary microwave materials. This design reduces loss and weight while ensuring high dimensional accuracy, excellent consistency and stable electrical performance for long-term reliability.

Powerful Anti-Interference Performance

Equipped with an LNA featuring excellent out-of-band suppression capability, the antenna effectively filters unwanted electromagnetic signals. It minimizes interference from surrounding wireless systems such as power grids, communication base stations and broadcasting stations, significantly reducing the risk of signal loss.

Parameters

PERFORMANCE

Signal Received

GPS L1/L2/L5
BDS B1I/B2I/B3I/B1C/B2a/B2b
GLONASS L1/L2/L3
GALILEO E1/E5a/E5b/E6
QZSS L1/L2/L5/L6
IRNSS L5
SBAS L1/L5
L-Band

Nominal Impedance

50Ω

Polarization

RHCP

Axial Ratio

≤3dB

Azimuth Coverage

360°

Output VSWR

≤2.0

Peak Gain

5.5dBi

Phase Center Error

±2mm

LNA

LNA Gain

L2: 36±2dB L1: 34±2dB

Noise Figure

≤2dB

Output VSWR

≤2.0

Passband Ripple

±2dB

Operation Voltage

+3.3 to +12VDC

Operation Current

≤45mA

Group Delay Ripple

＜5ns

MECHANICAL

Dimensions

Φ122*23.3mm

Connector

MMCX-JW

Weight

≤250g

Mounting

4 x M3 Screws

ENVIRONMENTAL

Operating Temperature

-40℃ to +85℃

Storage Temperature

-55℃ to +85℃

Humidity

95% non-condensing

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