JS-HAC18A-F
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JS-HAC18A-F
UAV / Helical Antennas
Jumpstar JS-HAC18A-F Full-Constellation & Full-Band Helical GNSS Active Antenna – Ultra-Lightweight, High-Gain, High-Precision Antenna for UAVs
Full-Constellation & Full-Band Coverage
Supports GPS/BDS/GLONASS/Galileo/QZSS/SBAS/IRNSS all-system signal reception.
Ultra-Lightweight Design
Only 10.8g net weight, Φ18×50.8mm compact size, ideal for light-duty UAVs.
High-Gain & Low-Noise
33±2dB high gain + ≤2dB noise figure, stable reception in weak-signal environments.
Omnidirectional Coverage
360° horizontal coverage, high gain at low elevation angles with no blind spots.
Industrial-Grade Protection
IP65 waterproof, -30℃~+70℃ operating temperature for outdoor use.
Full-Constellation & Full-Band Helical GNSS Active Antenna
JS-HAC18A-F is a multi-system, multi-frequency, high-precision helical GNSS active antenna compatible with all major global navigation satellite systems for plug-and-play use. It features a low-profile structure for high integration and stability.
The antenna adopts multi-stage amplification, two-stage filtering, multi-feed point and high-gain design, ensuring coincident phase center and geometric center, as well as wide beamwidth radiation patterns. It delivers excellent receiving performance in low-altitude, long-distance and complex scenarios.
It is specially designed for light-duty UAVs, surveying mapping, security inspection and other high-precision positioning applications.
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Key Features
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Full-Band & All-System Compatibility GPS L1/L2/L5, BDS B1/B2, GLONASS G1/G3, Galileo E1/E5a/E5b, QZSS, SBAS, IRNSS.
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Ultra-Compact & Lightweight 10.8g net weight, Φ18×50.8mm size, minimizes payload for weight-sensitive UAVs.
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High-Gain & Low-Noise 33±2dB LNA gain, ≤2dB noise figure, VSWR ≤2.0 for weak-signal environments.
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360° Omnidirectional RHCP, 360° horizontal coverage, high gain at low elevation angles.
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Stable & Reliable Stable phase center, high consistency, strong anti-interference.
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Plug-and-Play Standard SMA male connector, no debugging required for quick integration.
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Outdoor Environmental Adaptability IP65 waterproof, -30℃~+70℃ operating temperature.
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Technical Specifications
Antenna RF Performance
| Antenna Type | Helical GNSS Active Antenna |
| Received Signals | GPS(L1/L2/L5), BDS(B1/B2), GLONASS(G1/G3), Galileo(E1/E5a/E5b), QZSS(L1/L2/L5), SBAS(L1/L5), IRNSS(L5) |
| Impedance | 50Ω |
| Polarization | Right-Hand Circular Polarization (RHCP) |
| Axial Ratio | ≤3dB |
| Horizontal Coverage | 360° |
| VSWR | ≤2.0 |
| LNA Gain | 33±2dB |
| Noise Figure | ≤2dB |
| Operating Voltage | +2.8~3.3V DC |
Mechanical & Environment
| Operating Current | ≤30mA |
| Dimensions | Φ18mm × H50.8mm |
| Weight | 10.8g |
| Connector | SMA Male Straight |
| Mounting | SMA Threaded Mount |
| Waterproof Rating | IP65 (with mated SMA connector) |
| Operating Temperature | -30℃ ~ +70℃ |
| Storage Temperature | -35℃ ~ +75℃ |
| Humidity | 0%~95% Non-condensing |
| Compliance | RoHS |
Typical Applications
UAV Aerial Survey
Light-duty UAV aerial survey, mapping & remote telemetry
Surveying & Mapping
High-precision surveying and geodetic measurement
Vehicle & Airborne
Vehicle/airborne navigation and dispatching
Traffic & Security
Traffic patrol, security surveillance & disaster monitoring
Emergency Command
Disaster monitoring & emergency command systems
UAV Security Inspection
UAV security inspection & patrol
High-Precision Terminals
High-precision positioning terminals
More Applications
Custom integration for other high-precision GNSS systems
Resources & Downloads
JS-HAC18A-F Datasheet
Complete specifications, gain pattern, mechanical drawing and electrical parameters
Mechanical Drawing
2D/3D mechanical dimensions and mounting specifications
Gain Pattern
Radiation pattern, axial ratio and VSWR curves
3D CAD Model
STEP, IGES and STL formats for mechanical integration
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