WD-118-400
WD-118-400 VHF UHF aviation band
| Model | Product Description | Frequency | Gain | Download | Enquiry | |
|---|---|---|---|---|---|---|
| WD-118-400 | WD-118-400 VHF UHF aviation band | 118-400 MHz | 2.15 dBi |  |  |  |
The WD-118-400 emphasizes its "Shipboard" and "Arctic-Grade" reliability. This antenna is specifically positioned for maritime, naval, and offshore applications where vibration, salt-fog corrosion, and heavy ice loading are the primary causes of RF equipment failure.
Logistics: Integrated Design for Mission-Critical Reliability
The WD-118-400 is engineered as a fully welded, one-piece structural unit, prioritized for survival in high-vibration environments such as naval vessels and offshore platforms. Unlike modular antennas, its junctions are permanently fused to prevent RF inter-modulation and mechanical loosening caused by constant shipboard movement. This design ensures that the antenna arrives ready for immediate installation with zero field tuning required, simplifying the logistics of maritime refits and remote base station deployments where technical resources may be limited.
Durability: Arctic-Ready and Marine-Proof Construction
Designed to exceed the requirements of the most hostile climates, the WD-118-400 features a 6063T6 Mil-grade anodized aluminum alloy body protected by a severe-environment powder coating. All critical internal junctions are shielded within a ruggedized radome, ensuring absolute survivability against arctic ice loading and corrosive maritime gases. To prevent the common failure point of connector oxidation, the N-type termination is enclosed entirely within the mounting pipe, while all external hardware is crafted from Type 316 marine-grade stainless steel for total salt-spray immunity.
Efficiency: High-Performance Maritime Communications
The WD-118-400 offers a high-efficiency Single-Antenna Solution for the 118-400 MHz aero and maritime bands, eliminating the need for multiple antenna arrays on crowded ship masts. Its exceptionally wide vertical beam-width is specifically optimized for clear communication between sea-level stations and high-altitude aircraft. By maintaining a low VSWR across the entire band, it provides a stable platform for high-power transmitting, signal jamming, and sensitive spectrum monitoring, ensuring reliable 360-degree omni-directional coverage in all weather conditions.
Technical Features
- Elite Maritime Bandwidth: Continuous, high-efficiency coverage from 118 MHz to 400 MHz for naval and aviation bands.
- Fully Welded Integrity: All junctions are fully welded to eliminate RF inter-modulation and provide maximum resistance to shipboard vibration.
- Arctic-Grade Survival: Engineered to withstand heavy ice loading and extreme cold, making it ideal for northern sea routes.
- Radome-Protected Junctions: Critical internal components are housed within a high-tech ruggedized radome for total environmental isolation.
- MIL-SPEC Material Build: Constructed from 6063T6 architectural-grade aluminum alloy for an optimal strength-to-weight ratio.
- Marine-Grade Hardware: All screws, nuts, and bolts are made from Type 316 stainless steel to prevent corrosion in saline environments.
- Weatherproof Termination: The antenna feed point is enclosed inside the mounting pipe, shielding the connection from acid rain and salt spray.
- Low Wind Loading: Cylindrical design elements and a streamlined profile reduce drag and mechanical stress during high-wind sea storms.
- Zero Field Maintenance: Rugged all-weather model is factory-tuned and requires no field adjustments or specialized tools.
- Omni-Directional Pattern: Delivers a true 360-degree horizontal radiation pattern with a wide vertical beam for ground-to-air tracking.
Design Features: WD-118-400 VHF UHF aviation band heavy duty fully welded discone antenna is specially designed to survive the most extreme conditions, where conventional antennas often fail. Due to its low VSWR through entire band from 118-400 MHz., this discone antenna can be used as a transmitting and receiving antenna with high efficiency, to meet the broadband requirement of a base station antenna such as spectrum monitoring or jamming application without need of multiple antennas. WD-118-400 wideband discone antenna is extremely rugged, fully welded at all junctions, all weather model, does not require any field tuning or adjustments. The wide vertical beam-width of discone antennas allows clear communication for ground, sea, and ground-to-air applications. The fully welded wide band discone antenna is highly suitable for Oceanic application especially in arctic region where vibration and ice loading are main concern.
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