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High-precision positioning four-arm helical antenna

1. The antenna adopts a four-arm spiral structure to ensure that the error between the antenna phase center and the geometric center is small, which can effectively reduce the measurement error caused by the antenna;

2. The antenna has high gain, wide beam pattern, and good reception effect for low elevation angle signals;

3. The antenna is small in size and light in weight, suitable for use on equipment that requires antenna weight, such as the field of drones. The antenna has low power consumption and can effectively ensure the battery life of the equipment.

Leave a messageHigh-precision positioning four-arm helical antenna ContactHigh-precision positioning four-arm helical antenna
High-precision positioning four-arm helical antenna
High-precision positioning four-arm helical antenna
High-precision positioning four-arm helical antenna
High-precision positioning four-arm helical antenna
High-precision positioning four-arm helical antenna
High-precision positioning four-arm helical antenna
High-precision positioning four-arm helical antenna
High-precision positioning four-arm helical antenna

Overview


Basic product information:

Product name: High-precision positioning four-arm spiral antenna

Product model: VLG-901 multi-satellite multi-frequency spiral antenna

Applicable frequency bands: GPS L1/L2/L5, BDS B1/B2/B3, GLONASS L1/L2, GALILEO: E1/E5/E6, L-Band

Product use: This antenna is a multi-satellite multi-frequency four-arm spiral active antenna covering GPS L1/L2/L5, BDS B1/B2/B3, GLONASS L1/L2, GALILEO: E1/E5/E6, L-Band, which is widely used in navigation scheduling, tracking monitoring, measurement and control and other fields. It is especially suitable for many applications such as drones, such as aerial photography, traffic monitoring, remote telemetry, etc. It can also be used in various handheld terminals, high-precision positioning modules, etc.


Product Description:

1. The antenna adopts a four-arm spiral structure to ensure that the error between the antenna phase center and the geometric center is small, which can effectively reduce the measurement error caused by the antenna;

2. The antenna has high gain, wide beam pattern, and good reception effect for low elevation angle signals;

3. The antenna is small in size and light in weight, suitable for use on equipment that requires antenna weight, such as the field of drones. The antenna has low power consumption and can effectively ensure the battery life of the equipment.


Dimensions:

High-precision positioning four-arm helical antenna


Specification

Electrical performance indicators
Passive antenna indicators
Frequency Range(MHz) 

GPS L1/L2/L5 

BDS B1/B2/B3

GLONASS L1/L2

GALILEO: E1/E5/E6

L-Band

PolarizationRight-hand circular polarization
Gain(dBi) Elevation angle 90 degrees:≥2.5
Axial Ratio(dB) Elevation angle 90 degrees:≤3
Impedance(Ω) 50
VSWR ≤2
Horizontal coverage angle(°) 360° omnidirectional
LNA Specifications
Signal Gain(dB) 35±3
Noise Figure(dB) ≤2
VSWR ≤2
Voltage(VDC) 3~16
Current (mA) ≤45
Inband Spectrum Ripple(dB) ≤2
Impedance(Ω) 50
Physical properties
Dimensions(mm) Φ42.2*43.8
Weight(g) ≤35g
Connector Type sma-J
Operating Temperature(℃) -40~+70
Storaging Temperature(℃) -40~+70
Humidity 95%

High-precision positioning four-arm helical antenna

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High-precision positioning four-arm helical antenna+86-13570817400

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SHENZHEN VLG WIRELESS TECHNOLOGY CO., LTD