Satellite Positioning Antenna GPS+Beidou Timing Antenna Marine Antenna
1. Specification
A. Electrical Characteristics | ||
Frequency | 1561±5MHz; 1575±5MHz | |
VSWR | <1.5 | |
Peak Gain | 5±2dBi@Fc | |
Impedance | 50Ohm | |
Polarization | RHCP | |
Axial Ratio | ≤5 dB | |
10Db Bandwidth | ±10MHz | |
Azimuth Coverage | 360° | |
B. LNA and Filter Electrical Properties | ||
LNA Gain | 38±2dBi(Typ.@25℃) | |
Group Delay variation | ≤5ns | |
Noise Figure | ≤1.8dB@25℃,Typ.(Pre-filtered) | |
In-Band Flatness (dB) | <1 (1575.42MHz±1MHz) | |
Out-of-Band Suppression (dBc) | >70dBc | |
LNA Output 1Db Compression point | >-10dBm | |
Output VSWR | ≤2.0 Typ. | |
Operation Voltage | 3.3-5 V DC | |
Operation Current | ≤25mA | |
C. Material & Mechanical Characteristics | ||
Connector Type | TNC connector | |
Cable Type | RG58/U | |
Dimension | Φ96x127±3mm | |
Radome material | ABS | |
Waterproof | IP66 | |
Weight | 0.63Kg | |
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) |
1556 | 38.3 |
1557 | 38.4 |
1558 | 38.5 |
1559 | 38.4 |
1560 | 38.4 |
1561 | 38.5 |
1562 | 38.5 |
1563 | 38.5 |
1564 | 38.6 |
1565 | 38.6 |
1566 | 38.8 |
1570 | 39.11 |
1571 | 39.18 |
1572 | 39.23 |
1573 | 39.28 |
1574 | 39.28 |
1575 | 39.16 |
1576 | 38.90 |
1577 | 38.74 |
1578 | 38.67 |
1579 | 38.63 |
1580 | 38.55 |
3D | 2D-Horizontal | 2D-Vertical | |
1556MHz | ![]() | ![]() | ![]() |
1561MHz | ![]() | ![]() | ![]() |
1566MHz | ![]() | ![]() | ![]() |
3D | 2D-Horizontal | 2D-Vertical | |
1570MHz | ![]() | ![]() | ![]() |
1575MHz | ![]() | ![]() | ![]() |
1580MHz | ![]() | ![]() | ![]() |