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External High-Precision Measurement Antenna | HY-A504
Features
Specifications
Applications
External High-Precision Measurement Antenna | HY-A504
Features
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Small phase center error and high measurement accuracy
High gain, wide beamwidth of the radiation pattern, and excellent signal reception performance
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Strong anti-interference capability and can withstand complex and harsh working environments
High reliability, excellent water resistance, corrosion resistance and high temperature resistance


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Specification parameters
Technical specifications
Accessory list
Structural dimensions

GNSS Antenna Performance Specifications

Frequency Range

Receiving Frequency Points











1165~1285MHz & 1559~1606MHz

BDS： B1I, B2I, B3I, B1C, B2a, B2b

GPS： L1C/A, L1C, L2C, L2P(Y), L5

GLONASS： G1, G2, G3

Galileo： E1, E5a, E5b, E6

QZSS： L1C/A, L1C, L2C, L5, L6

NavIC： L5

SBAS： L1/L5

IRNSS:  L5

Impedance

Antenna Axial Ratio

Horizontal Coverage Angle

Front-to-Back Ratio

Output VSWR

Peak Gain

Phase Center Error

Noise Figure

In-band Flatness

Active Gain

Operating Voltage

Operating Current

Differential Transmission Delay

50Ω

≤3dB

360°

≥15dB

≤2

≥5.5dBi

±2mm

≤2dB

±2dB

40±2dB

3.3~18V

≤45mA

≤5ns

Structural Characteristics

Antenna Weight

Antenna Dimensions

Connector Type

0.465kg

Φ145×58mm

TNC-K

Reliability

Working Temperature

Storage Temperature

Working Humidity

Protection Grade

-45℃∽+85℃

-55℃∽+85℃

95%(Non?condensing)

IP67

Application scenarios
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In complex terrains such as mountainous areas and urban canyons, its full-band coverage capability enables simultaneous reception of multi-satellite signals, effectively solving the positioning interruption caused by signal blockage in a single system and ensuring centimeter-level measurement accuracy.
Learn more
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As an external GNSS measurement antenna supporting full frequency bands of GPS, GLONASS, BDS and Galileo, it significantly improves the accuracy and reliability of surveying and mapping operations through a multi-system compatible design.
Learn more
Road Surveying and Mapping
Geodetic Survey

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