Satellite Positioning Antenna Four-Star Multi-Band Survey antenna 40dBi GPS GLONASS Beidou Galileo
1. Specification
| A. Electrical Characteristics | ||
| Frequency | 1164-1290MHz, 1525-1615MHz | |
| Supported Positioning signal bands | GPS: L1/L2/L5 BDS: B1/B2/B3 GLONASS: G1/G2/G3 Galileo: E1/E5a/E5b/E6 L-Band | |
| Peak Gain | ≥5dBi@Fc | |
| Impedance | 50Ohm | |
| Polarization | RHCP | |
| Axial Ratio | ≤ 1.5dB | |
| Azimuth Coverage | 360° | |
| Phase-center accuracy | ≤2.0mm | |
| Phase-center repeatability | ≤1.0mm | |
| B. LNA and Filter Electrical Properties | ||
| LNA Gain | 40±2dBi(Typ.@25℃) | |
| Group Delay variation | ≤10ns | |
| Noise Figure | ≤2.0dB@25℃,Typ.(Pre-filtered) | |
| Output VSWR | ≤1.8 : 1Typ. 2.0 : 1 Max | |
| Operation Voltage | 3-16 V DC | |
| Operation Current | ≤45mA | |
| C. Material & Mechanical Characteristics | ||
| Connector Type | TNC connector | |
| Dimension | Φ152x68mm | |
| Radome material | PC+ABS | |
| Waterproof | IP67 | |
| Weight | 0.35Kg | |
| C. Environmental | ||
| Operation Temperature | - 40 ˚C ~ + 85 ˚C | |
| Storage Temperature | - 40 ˚C ~ + 85 ˚C | |
2. Antenna - S Parameter Test Data
2.1 VSWR

2.2 LNA Gain:
| Frequency (MHz) | Gain (dBi) | Frequency (MHz) | Gain (dBi) | |
| 1160.0 | 29.60 | 1525.0 | 34.00 | |
| 1165.0 | 31.85 | 1530.0 | 34.83 | |
| 1170.0 | 33.50 | 1535.0 | 35.80 | |
| 1175.0 | 34.67 | 1540.0 | 36.93 | |
| 1180.0 | 35.67 | 1545.0 | 37.57 | |
| 1185.0 | 36.57 | 1550.0 | 37.82 | |
| 1190.0 | 37.53 | 1555.0 | 38.35 | |
| 1195.0 | 38.16 | 1560.0 | 38.73 | |
| 1200.0 | 38.52 | 1565.0 | 38.65 | |
| 1205.0 | 38.90 | 1570.0 | 38.07 | |
| 1210.0 | 39.35 | 1575.0 | 37.78 | |
| 1215.0 | 39.81 | 1580.0 | 37.65 | |
| 1220.0 | 40.11 | 1585.0 | 37.40 | |
| 1225.0 | 40.23 | 1590.0 | 36.95 | |
| 1230.0 | 40.09 | 1595.0 | 36.66 | |
| 1235.0 | 39.62 | 1600.0 | 36.43 | |
| 1240.0 | 39.00 | 1605.0 | 35.95 | |
| 1245.0 | 38.18 | 1610.0 | 35.33 | |
| 1250.0 | 37.34 | 1615.0 | 34.80 | |
| 1255.0 | 36.31 | |||
| 1260.0 | 35.35 | |||
| 1265.0 | 34.22 | |||
| 1270.0 | 33.20 | |||
| 1275.0 | 32.14 | |||
| 1280.0 | 31.14 | |||
| 1285.0 | 30.01 | |||
| 1290.0 | 28.58 |
| 3D | 2D-Horizontal | 2D-Vertical | |
| 1160MHz | ![]() | ![]() | ![]() |
| 1220MHz | ![]() | ![]() | ![]() |
| 1290MHz | ![]() | ![]() | ![]() |
| 3D | 2D-Horizontal | 2D-Vertical | |
| 1525MHz | ![]() | ![]() | ![]() |
| 1565MHz | ![]() | ![]() | ![]() |
| 1615MHz | ![]() | ![]() | ![]() |