• Design sketch
  • Dimensions

AH201a-GNSS Spiral Antenna

Ultra-low Power Multi-constellation Multi-band Spiral Antenna

 

AH201a GNSS antenna, with dobby coupling and four-feedpoint feed technology, ultra-low power consumption, supports L1 and L5 dual-band satellite navigation signal reception of BeiDou II, GPS, GLONASS and GALILEO systems, built-in low noise amplifier, two-stage filter, good out-of-band suppression, and strong anti-jamming ability to ensure normal operation in harsh electromagnetic environments. Meet the current demand for multi-system compatibility and high-precision measurement.



Product Overview
Product Overview

Specifications
Specifications
AH201a-GNSS Spiral AntennaBasic Parameters

AH201a-GNSS Spiral Antenna

Patch Architecture

Four-armed spiral structure

Supported positioning signal bands

BEIDOU::B1/B2a

GPSL1/L5

GalileoEl/E5a

GLONASSL1

Peak Gain

1.5 dBi

Polarization

RHCP

Axial Ratio@zenith

≤1.5dB

Azimuth Coverage

360°

Characteristic impedance

50 ohm

LNA

Frequency Range

1176.45±10.23MHz

1559MHz~1606MHz

LNA Gain

25±3.0dB Typ. @25°C

Noise Figure

≤1.5 dB@25°C , Typ.

Output VSWR

≤1.8:1 typ. 2.0:1max

Operation Voltage

1.6~3.6V DC

Operation Current

≤10mA@1.8VTyp

≤15mA@3.6VTyp

Mechanicals & Environmental

Dimension

see attached figure

Connector

SMA-JInternal threaded female needle

Radome

ABS+PC

Weight

≤15g

Attachment Method

Through the connector

Operating Temp

40℃~+85

Storage Temp

55℃~+85

Humidity

95% No-condensing

Waterproof

IP67


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