AH-1800
High Gain Circular Polarized Helical Antenna
| Model | Product Description | Frequency | Gain | Download | Enquiry | |
|---|---|---|---|---|---|---|
| AH-1800 | High Gain Circular Polarized Helical Antenna | 1700-2000MHz | 12 dBic. |  |  |  |
Overview: AH-1800 Circular Polarized Helical Antenna
The AH-1800 is a professional-grade Circular Polarized Helical Antenna precision-engineered for the 1700–1990 MHz frequency range. Delivering a consistent 12 dBic gain and a high 250-Watt power handling capacity, this directional aperture is a premier solution for L-band tactical data links, cellular band monitoring, and satellite telemetry. By utilizing advanced helical winding and circular polarization (RHCP/LHCP), the AH-1800 provides superior signal penetration and effectively eliminates multipath interference, outperforming traditional linear Yagi antennas in complex urban and high-interference environments.
Battlefield Durability: Built to survive the most punishing environmental extremes
The AH-1800 is encased in a high-strength, cylindrical fiberglass radome that shields the precision copper radiating elements from physical impact, ice loading, and corrosive atmospheres. Featuring marine-grade stainless steel hardware and an aerodynamic profile, the antenna is built to withstand winds up to 200 Km/Hr. Its resilient design ensures mission-readiness in temperatures ranging from -30°C to +70°C, finished in tactical olive green for low observability.
Operational Efficiency: Maximum power projection and signal integrity
Efficiency is maximized by using high-quality copper radiating elements and a factory-tuned architecture that maintains a stable 1.5:1 VSWR across the entire bandwidth. Its optimized 55-degree beamwidth and 18 dB Front-to-Back ratio ensure that the 250W of RF power is concentrated toward the target—providing a generous acquisition window for mobile assets while offering high isolation from rearward interference and background ground noise.
Detailed Technical Features
- Broadband L-Band Mastery: Seamlessly covers the entire 1700–1990 MHz window without field tuning.
- Circular Polarization (CP) Technology: Available in RHCP or LHCP to virtually eliminate Faraday rotation and mitigate signal fading.
- High Power Capacity: Industrial-grade construction facilitates sustained 250 Watts of continuous-duty RF transmission.
- Precision Steering Suite: Supplied with a specialized mounting arrangement for 360° Azimuth and 90° Elevation tracking.
- Low VSWR Architecture: Maintains better than 1.5:1 VSWR for maximum power transfer efficiency.
- Tactical SWaP Profile: Lightweight design at less than 2 Kgs with a compact 0.5-meter length, offering an elite gain-to-weight ratio.
- Scalable Array Formation: Supports DUAL or QUAD stacked formations for ultra-high-gain requirements using custom phasing harnesses.
- Zero Field Tuning: Fully factory-calibrated for immediate "plug-and-play" tactical deployment.
EW, SIGINT & Monitoring Compatibility
- Electronic Warfare (EW): Acts as a high-intensity directional jammer for 1.7–1.9 GHz data links. Its circular polarization ensures the jamming energy bypasses linear anti-jam filters.
- Signals Intelligence (SIGINT): The clean noise floor and directional gain allow operators to intercept weak, long-range telemetry and rogue tactical emitters with high fidelity.
- Persistent Monitoring: Serves as a high-fidelity electronic "tripwire" for situational awareness in high-reflection environments like urban canyons or maritime corridors.
Global & Environmental Compliances
- MIL-STD-810G Hardened: Designed to meet rigorous military protocols for Temperature, Humidity, Shock, and Vibration.
- RoHS & REACH: Constructed with lead-free, eco-friendly components compliant with EU chemical safety registrations.
- WEEE Directive: Supports sustainable lifecycle management with recyclable aluminum and copper components.
- CE Certified: Meets all European Union safety, health, and environmental protection requirements.
Key Advantages:
- Multipath Immunity: Inherently rejects reflected signals, providing a stable link in metallic or subterranean environments.
- Radome Feature Advantage: The high-strength fiberglass radome protects the copper radiator from sand abrasion and prevents ice accumulation from detuning the antenna.
- High Front-to-Back Isolation: 18 dB ratio ensures signal purity and minimal rear-lobe emissions, protecting friendly systems behind the mast.
Key Applications:
- Tactical Data Bridges: Establishing secure, high-capacity microwave links across hostile terrain.
- UAV Ground Control: High-reliability directional command and control for L-band tactical drones.
- L-Band Telemetry: Interception and monitoring of aerospace and missile telemetry.
- Satellite Telemetry: High-gain Ground-to-Space links for L-band satellite constellations.
Design Features: The AH-1800 uses extended stubs to provide the greater gain while maintaining the wider beam-width. This high-gain low-profile antennas use Circular Polarization Antenna Technology - which delivers better penetration through obstruction and interference. This commercial grade antenna provides superior performance as compare to significantly larger and more expensive products. Our AH series helical antennas are smaller than conventional yagi antenna. The AH-1800 Helical Antenna is supplied with a specially designed mounting arrangement for steering the antenna in both planes, over 360 Degrees in Azimuth and 90 Degrees in Elevation for terrestrial and satellite links.
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