Product overview
The Hi-Target AH-4236 is an active GNSS antenna for positioning equipment used in UAVs, vehicle navigation, autonomous driving and logistics vehicles. Its disc-shaped body combines a low-profile, multi-arm helical structure with a feed network designed to improve phase-center stability. It receives GPS, GLONASS, BDS, Galileo and QZSS signals and is compatible with L-band. The antenna provides right-hand circular polarization and 360° horizontal coverage, with operating frequency ranges of 1160Mhz-1300Mhz and 1530Mhz-1615Mhz for integration into multi-system positioning terminals.
Installation space is defined by a 48.8mm diameter, 32mm body dimension and weight below 50g. The antenna has an SMA male interface and 50 Ohm impedance. Its active electronics operate from 3.0~16VDC, with current consumption of ≤35mA at 3.3V. The low-noise amplifier provides typical gain of 28dB±2dB and a noise figure of ≤1.5 dB. Environmental limits are -40°C~+85°C for operation, -55°C~+85°C for storage and 95% non-condensing humidity; the enclosure carries an IP67 protection rating.
Specifications
| Specification | Value & conditions |
|---|---|
| Product type and applications | Full-band, disc-shaped active GNSS antenna for vehicle navigation, autonomous driving, logistics vehicles and UAVs. |
| Satellite-system support | GPS, GLONASS, BDS, Galileo and QZSS reception; L-band compatible. |
| Antenna architecture | Low-profile, multi-arm helical structure with a high-performance feed network to improve phase-center stability. |
| Supported signal bands |
|
| Operating frequency bands | 1160Mhz-1300Mhz; 1530Mhz-1615Mhz |
| Polarization | Right-hand circular polarization (RHCP) |
| Impedance | 50 Ohm |
| Antenna axial ratio | Less than 2dB |
| Horizontal coverage | 360° |
| Maximum antenna gain | ≥4dBi |
| Low-noise amplifier gain | 28dB±2dB (typical)Typical value. |
| Noise figure | ≤1.5 dB |
| Output VSWR | ≤2.0 |
| In-band gain flatness | ±1.5dB |
| Operating voltage | 3.0~16VDC |
| Operating current | ≤35mA@3.3VAt 3.3V. |
| Operating temperature | -40°C~+85°C |
| Storage temperature | -55°C~+85°C |
| Humidity | 95%, non-condensingNon-condensing. |
| Ingress protection | IP67 |
| Connector | SMA male |
| Dimensions | Diameter 48.8mm × 32mm |
| Weight | Less than 50g |
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