AY-150

The AY-150 is a professional-grade, high-gain directional VHF antenna engineered for the 136–174 MHz high-band spectrum. Delivering a robust 12 dBi gain, this Yagi is specifically hardened for mission-critical base station applications, aviation band communications, and tactical regional links. Featuring MIL-STD-810G compliance and an IP66 rating, it is designed to maintain peak performance in the most hostile environmental theaters.

Precision Directional Focus

The AY-150 provides sharp, directive performance with a 55-degree horizontal and 45-degree vertical beam-width. Combined with a 17 dB Front-to-Back Ratio, it allows system engineers to establish high-intensity links while effectively rejecting co-channel interference and background noise from the rear. This high selectivity is essential for maintaining signal integrity in congested VHF environments.

Strategic Structural Hardening

Constructed from 6063T6 ultra-corrosion-resistant architectural anodized aluminum alloy, the AY-150 is built to survive extreme mechanical stress. For additional defense in saline coastal environments or corrosive industrial zones, the entire array is finished with an epoxy-based powder coating in tactical Olive Green (RAL 6003). This provides a hermetic seal against salt fog, acid rain, and UV radiation.

Maintenance-Free Reliability

Designed for "set-and-forget" operation, the AY-150 requires no field tuning or adjustments. The unique matching feed system eliminates the need for traditional folded dipoles, resulting in increased efficiency and a stable VSWR of better than 1.5:1. The antenna comes factory-tuned for a 7 MHz bandwidth segment within the specified range, ensuring "out-of-the-box" reliability.

Performance Summery 

Detailed Technical Features

• Strategic Gain: 12 dBi typical gain for superior link margin in the VHF high band.
• Stable Bandwidth: Optimized for high-fidelity data and voice across a 7 MHz operational window.
• Polarization Versatility: The mounting hardware facilitates both Vertical and Horizontal polarization.
• High Power Tolerance: Supports continuous RF power handling of up to 250 Watts.
• Directivity: Focused beam minimizes multipath interference in complex topographies.

Detailed Mechanical Features

• Aviation Grade Materials: 25.4 mm square support boom and 19 mm elements constructed from high-quality aluminum alloys.
• Square Boom Rigidity: Prevents element rotation and maintains precision electrical alignment under high wind loads.
• Elite Fasteners: Supplied with High Grade Stainless Steel mounting hardware for masts up to 52 mm (2 inches).
• Ingress Protection: IP66 Rated against dust and powerful water jets.
• Logistics: Modular design with removable elements for a manageable shipping profile; assembles easily with simple hand tools.

Detailed Environmental Features (MIL-STD-810G)

• Theater Hardening: Certified against Salt Fog (Method 509.5) and Fungus Resistance (Method 508.6).
• Hurricane Resilience: Wind survival rating of 200 Km/Hr (125 MPH).
• Thermal Hardening: Operational in extreme temperature windows from -30°C to +70°C.
• Mechanical Rigidity: High resistance to Shock (Method 516.6) and Vibration (Method 514.6).

Key Advantages

• Combat-Proven Durability: MIL-STD-810G certification ensures the antenna will not fail in corrosive, humid, or high-vibration theaters.
• Ready to Deploy: Factory-tuned matching and pre-configured elements eliminate field assembly errors.
• Tactical Concealment: Standard Olive Green finish provides UV protection and reduces visual signature for secure government installations.

Primary Applications

• VHF Base Station Infrastructure: Reliable master antenna for regional voice and data networks.
• Aviation Band Ground Stations: High-gain directive antenna for secure air-to-ground communications.
• Strategic VHF Backhaul: Establishing reliable data and voice links for government and military infrastructure.
• Coastal and Maritime Monitoring: Specialized epoxy coating makes it ideal for port operations and offshore platforms.