GNSS Measurement Antenna

ER-MA03 Features:
Quad system full frequency GNSS antenna
Minimal phase center deviation
Extremely high degree of protection

Product Details

ER-MA03 GNSS Measurement Antenna


The ER-MA03 GNSS Measurement Antenna is designed for millimeter-level positioning needs in land and marine surveys. The ER-MA03 antenna supports all current major GNSS signals, including GPS, GLONASS, BeiDou, and Galileo. The antenna is suitable for the fields of measurement, RTK positioning, high-precision navigation, and mechanical control. The A45 antenna has excellent anti-multipath performance, stable phase center, and high signal-to-noise performance at low elevation angles. The antenna can also work normally in complex environments. The aluminum base of A45 can adapt to the harsh marine environment, and the radome has excellent protection performance, which can ensure that it will not be damaged when dropped from the 2m-high support pole.


Quad system full frequency GNSS antenna

Minimal phase center deviation

Extremely high degree of protection

RoHS certified


Antenna performance

Frequency Range

GPS L1 / L2 / L5

BDS B1 / B2 / B3

GLONASS G1 / G2 / G3

Galileo E1 / E5a / E5b


Polarization mode

Right-handed circular polarization

Axle ratio

2dB, typical

Phase center deviation

<2mm (L1, L2)

LNA performance

Active gain

30dB, typical

Noise Figure

2dB, typical

Operating Voltage

3.3-15V DC

Working current

25mA, typical

Environmental characteristics

Protection class




Mechanical properties


D153.5 x H47.3mm



Antenna interface



1. What is your quotation condition?

If you have DHL or Fedex account ,we can quote EXW price ,otherwise CIF or FOB price.

2.Do you have any discount when procurement? 

We will quote sample price at first and we will quote volume price if you need more quantity.

3.How long is the delivery time?

For sensors,parts,modules : in stock-one week;no stock-2-4weeks; For systems,generally ,8-12 weeks.

4.How to deal with the quality problems?

If confirmation of product quality problem we can replace it freely for customer in the shortest period.

If interested in GNSS Measurement Antenna, pls contact us :

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