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.
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:
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 |
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 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% |
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