GLONASS AT130 Antenna

AT130 Helix Antenna is a compact multi-constellation GNSS antenna delivering high gain and millimeter-level phase center stability for precise positioning on lightweight mobile and UAV platforms.

GLONASS AT130 Antenna

Introduction

Experience Precise Infrastructure Sensing with the AT130 Choke Ring Antenna

The AT130 helix antenna combines a compact, lightweight IP67-rated design with 3.5 dBi high gain and low noise to maintain superior tracking even at low elevation angles, offering stable, repeatable phase center performance for UAV, GIS, RTK and other mobile devices requiring high-accuracy GNSS positioning.

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Innovative

Explore the Technical Specifications of Satellite Antenna

Characteristics:

  • Réseau: GPS, GLONASS, GALILEO
  • Type: externe
  • Other features: d'extérieur, IP67, compacte, durcie, mobile, à gain élevé
  • Applications: de poursuite, pour drone
  • Gain: 3,5 dB
Overview

The compact AT130 helical antenna is designed with high phase-center stability and repeatability, and its high gain delivers superior performance even at low elevation angles.
Available from single-frequency up to triple-frequency configurations, the AT-series helical antennas are ideal for UAVs, GIS, RTK, and mobile devices that require high-precision GNSS positioning.

Technical Capabilities

Compact size and low noise figure.
High phase-center stability and repeatability.
High gain to maintain strong tracking performance at low elevation angles.

Constellation and Compatibility

The AT130 supports GNSS positioning for GPS, GLONASS, and Galileo.
It is well-suited for precision positioning solutions such as UAV, GIS, RTK, and connected mobile devices requiring high-accuracy GNSS.

Rugged Design

Its small form factor (Φ107×43 mm) combined with an IP67 waterproof and dustproof rating makes it rugged enough for outdoor use, including harsh weather conditions.

High Performance

It provides a high gain of 3.5 dBi, ensuring superior tracking performance even at low elevation angles, which is crucial for maintaining signal quality in challenging environments.
The AT130’s stable and repeatable phase center improves measurement precision for high-accuracy GNSS applications.

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Product parameter

Cutting edge innovative technical characteristics

GPS

L1, L2, L5

GLONASS

L1, L2, L3

Beidou

B1, B2, B3

Galileo

E1, E5a, E5b, E6

L-Band

Support

Nominal Impedance

50Ω

Polarization

RHCP

VSWR Output

≤ 1.5

Axial Ratio (90°)

≤ 3dB

Gain at Zenith

3.5dBi

Phase Center Offset

± 2mm

LNA Gain

38±2dB

Noise Figure

≤ 1.3dB

VSWR Output

≤ 2.0

Passband Ripple

± 2dB

Operation Voltage

3.3 - 12 VDC

Operation Current

≤ 50mA

Dimension

Φ107×43mm

Connector

SMA-K connector

Operating Temperature

-40℃ to +80℃

Storage Temperature

-55℃ to +80℃

Humidity

95% No-condensing

Water and Dust Proof

IP67

Shock

Survive from a 3m-drop

Operating Temperature

-40°C to +85°C

Storage Temperature

-55°C to +85°C

Humidity

95% No-condensing

Water and Dust Proof

IP67

Drop

Survive from a 1.5m drop