VLG-901 Multi-star Multi-frequency Spiral Antenna_High -precision antenna_Satellite Antenna_Product_SHENZHEN VLG WIRELESS TECHNOLOGY CO., LTD

Spiral Antenna

VLG-901 Multi-star Multi-frequency Spiral Antenna

High precision positioning four-arm spiral antenna

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

Product Usage: This antenna is a multi-star 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, widely used in navigation scheduling, tracking monitoring, measurement and control fields. Especially suitable for UAV and many other applications, such as aerial photography, traffic monitoring, remote telemetry, etc., but also can be used in a variety of handheld terminals, high-precision positioning modules.

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Overview

High precision positioning four-arm spiral antenna

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

Product Usage:

This antenna is a multi-star 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, widely used in navigation scheduling, tracking monitoring, measurement and control fields. Especially suitable for UAV and many other applications, such as aerial photography, traffic monitoring, remote telemetry, etc., but also can be used in a variety of handheld terminals, high-precision positioning modules.

Product Description:

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

2, the antenna gain is high, the pattern beam is wide, the receiving effect of low elevation signal is good;

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

Specification

Electrical performance index
Passive antenna indicators
Frequency Range(MHz)	GPS L1/L2/L5 BDS B1/B2/B3 GLONASS L1/L2 GALILEO: E1/E5/E6 L-Band
Polarization	Right-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 index
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%