The JS-HAC26A is a four-arm helical active antenna supporting GPS, BDS, GLONASS, and Galileo dual-frequency signals. Built on a cylindrical ceramic substrate with four curved metal wires, it combines the features of Zapper and vertical antennas. This innovative design delivers strong gain, excellent radiation patterns, and full 360° reception. Unlike microstrip patch antennas that require flat placement, the JS-HAC26A ensures reliable signal acquisition from any orientation once integrated into navigation devices.
Product Features
Strong anti-interference capability
Full 360 degree reception capability
Gain high beam width, low elevation signal reception effect is good
Wide operating frequency band
Good directional characteristics
Good front - back ratio and excellent circular polarization characteristics
Compact size ( Ø27.6*58.8mm ) ±0.3mm. The weight ＜19g
High gain out-of-band suppression
Suitable for use as receiving antenna of satellite positioning system
Performance
| Parameter | Specification |
| Frequency Range | L1（1559M Hz - 1615M Hz） |
| Phase center error | ± 2 mm |
| Gain (MAX) | 2.5 dB |
| Axial Ratio | ≤ 3 dB |
| Port Impedance | 50 Ω |
| Horizontal coverage | 0° ~ 360° |
| VSWR | ≤ 1.8 |
| Polarization | RHCP |
| LNA Gain | 30 ± 2 dB |
| Noise factor | ≤ 1.8 dB |
| Working Voltage | 3.0 ~ 12.0 V ( DC ) |
| Working current | ≤ 42 mA |
Pin Parameters
| Parameters | Description |
| Operating temperature | -40℃~+70℃ |
| Storage temperature | -55℃～+85℃ |
| Store humidity | 95% no condensation |
Product Application
Handheld GPS receiver application
Automotive application
Many applications in light UAVs
Geographic Surveying
AVL and Location-Based Services
Timing application
Marine Navigation, Fleet Management
High precision UAV
Material
| Material Name | Description |
| Antenna | PI |
| Connector type | SMA-J |
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