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_.webp "JS-HAC27A")
_.webp "JS-HAC27A")
_.webp "JS-HAC27A")
_.webp "JS-HAC27A")
_.webp "JS-HAC27A")
JS-HAC27A is a multi-frequency, multi-constellation helix antenna supporting BDS, GPS, GLONASS, and Galileo. Its low-profile design delivers stable performance, high gain, precise phase center alignment, and wide beamwidth, making it ideal for surveying, navigation, and lightweight UAV applications.
Product Features
High gain
Wide beam pattern
Stable phase centre with high gain at low elevation angles
360° horizontal coverage
Wide frequency bandwidth enabling simultaneous operation of multiple systems
IP65 waterproof rating
Plug-and-play functionality
Ultra-compact and lightweight at just 16.7g
Overall dimensions: W28.2 × H59.3mm
Performance
| Parameter | Specification |
| Received Signals | GPS L1 L2 L5 BDS B1I B1C B2I B3I B2b B2a GLONASS G1 G2 GALILEO E1 E5a E5b E6 |
| Impedance | 50Ω |
| Polarization | Right-hand Circular Polarization |
| VSWR | ≤2.0 |
| Axial Ratio | ≤3dB |
| Horizontal Coverage Angle | 360° |
| LNA Gain | 28±3dB |
| Noise Figure | ≤2dB |
| VSWR | ≤2.0 |
| Operating Voltage | +2.8～3.3V DC |
| Operating Current | ≤35mA |
| Filter | 2-path Filter |
Environmental testing
| NO. | Parameter | Performance at Normal Temperature | High-Temperature Test Performance and Deviation | Low-Temperature Test Performance and Deviation |
| 1 | Amplifier Gain | 28±3dB | 28±3dB | 28±3dB |
| 2 | VSWR | ≤2.0 | ≤2.0 | ≤2.0 |
| 3 | Noise Figure | ≤2.0dB | ≤2.0dB | ≤2.0dB |
Product Application
Surveying and Mapping
Navigation and Dispatch
Lightweight Unmanned Aerial Vehicles
Geodetic Surveying
Traffic Patrol
Public Security Monitoring
Disaster Monitoring
Remote Sensing
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