The JS-HAS37 is a high-performance active antenna designed for precision GNSS applications. Supporting GPS, BDS, GLONASS, and Galileo, it delivers stable gain, low noise, and reliable reception even in challenging environments. With optimized radiation patterns and a compact design, the JS-HAS37 ensures accurate positioning for UAVs, automotive, marine, and handheld devices, making it an excellent choice for navigation, tracking, and smart mobility solutions.
Product Features
Strong anti-interference capability
Low reflection loss, small shaft ratio, high gain
Good directional characteristics
Dextrorotatory circular polarization design is adopted
Compact size ( 54.0*54.0*21.5mm±0.5mm）
Suitable for use as receiving antenna of satellite positioning system
Performance
| Parameter | Specification |
| Antenna Model | L5 （36*36*4 mm) L1 （25*25*4 mm) |
| Frequency Range | L5(1176MHz-1200 MHz) L1(1559MHz～1615MHz) GPS L1C/A, L5 BDS B1I, B1C, B2a GLONASS L1CA Galileo: E1, E5a |
| Impedance | 50 Ω |
| Polarization | RHCP |
| V.S.W.R | ≤ 2.0 |
| Gain | 3.0 dBic (1176 MHz-1200 MHz) |
| 4.0 dBic (1559 MHz～1615 MHz) | |
| at Zenith Max | |
| Axial Ratio | ≤ 5 dB：at Zenith |
| Frequency Range | L5 (1176 MHz - 1200 MHz) |
| L1 (1559 MHz～1615 MHz) | |
| DC Voltage | 3～5 V |
| Gain | 28 ± 3dB |
| Out band Rejection | ≥ 25 dB ( FH + 100 MHz ) |
| (Absolute value) | ≥ 25 dB ( FL - 100 MHz ) |
| Output (VSWR) | ≤ 2.0 |
| Noise Figure | ≤ 2.0 dB |
| DC current | 8±3mA (at3.3V) |
Application
Handheld GPS receiver application
Automotive application
Ideal for PDA, Pocket PC
Car navigation and tracking
Geographic Surveying
AVL and Location-Based Services
Sports and Recreation
Timing application
Marine Navigation, Fleet Management
UAV
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