#	Model	Frequency	Ant. Type	Bandwidth	Gain	Download		ENQ
1.	SD-127	118 - 137 MHz.	Dipoles	Entire Band	3 dBd.
2.	LP-118-400	118 - 400 MHz.	LPDA	118-400 MHz	11 dBi.
3.	SD-312	225 - 400 MHz.	Dipoles	60 MHz.	3 dBd.
4.	CD-100-156	100-156 MHz	Coax Dipole	100-156 MHz	2 dBi
5.	AC-100-400	100-400 MHz	Omni	100-400 MHz	2.14 dBi
6.	WD-100-500	100-500 MHz	Discone	100-500MHz	2.15 dBi
7.	LP-108-470	108 - 470 MHz.	LPDA	108-470 MHz	11 dBi.
8.	CD-108-175	108-175 MHz	Coax Dipole	108-175 MHz	2.15 dBi
9.	AC-108-512	108-512 MHz.	Omni	108-512 MHz	2 dBi.
10.	AC-112-156	112-156 MHz	Omni	112-156MHz	2.14 dBi
11.	AY-128-16	117 - 137 MHz	Yagi	6 MHz.	16 dBi.
12.	AQY-128	117 - 137 MHz	Yagi	6 MHz	17.5 dBi
13.	AY-128	117 - 137 MHz.	Yagi	117-137 MHz	11 dBi
14.	AC6-127	117-137 MHz	Fiberglass	10 MHz	6 dBi
15.	AC3-127	118 - 137 MHz.	Omni	118-137 MHz	3 dBi.
16.	AC-118-400	118 - 400 MHz	Omni	118-400 MHz	2 dBi.
17.	AWD-118-400	118 - 400 MHz.	Discone	118-400 MHz	2 dBi.
18.	AC-118-137	118-137 MHz	Fiberglass	118-137Mhz	2.15dBi
19.	AC5-127	118-137 MHz	Omni	118-137MHz	5 dBi
20.	SD9-128	118-137 MHz	Dipoles	20 MHz	9 dBd
21.	ACHP-118-400	118-400 MHz	Omni	Entire Band	2 dBi
22.	WD-118-400	118-400 MHz	Discone	118-400MHz	2.15 dBi
23.	HL-225-400	225 - 400 MHz	Helical	Entire Band	10 dBic
24.	AC3-312	225 - 400 MHz.	Omni	225-400 MHz	3 dBi.
25.	LPDS-225-400	225-400 MHz	LPDA	225-400 MHz	13 dBi
26.	AY-312-16	225-400 MHz	Yagi	20 MHz	16 dBi
27.	AC5-312	225-400 MHz	Omni	225-400MHz	5.15dBi
28.	LP-225-400	225-400 MHz.	LPDA	225-400 MHz	11 dBi
29.	AWD-30-88	30-88 MHz	Discone	30-88 MHz	2.15 dBi

Antenna Experts have many years of experience in manufacturing of MIL-STD VHF UHF ATC antennas field and are able to offer array systems to suit any type of requirements. We are manufacturer and exporter of world highest performance VHF UHF aviation band antennas for civilian and military application with MIL-SPECS features.

Advanced Beamforming and Directional Control in ATC Array Systems

The AY and AQY series of high-gain VHF/UHF antennas are engineered to provide precise spatial filtering for complex Flight Information Regions (FIR). By utilizing advanced array configurations, these systems allow Air Traffic Control (ATC) sites to extend their operational range over specific geographical sectors, such as narrow, elongated flight corridors or expansive Oceanic Information Regions (OIC). These arrays are highly customizable, enabling engineers to manipulate the azimuth and elevation beam-widths to optimize signal strength in the desired plane. For instance, wider azimuth patterns are deployed to manage high-volume inbound and outbound oceanic traffic, while specialized vertical beam-width control ensures consistent link stability for long-range ground-to-air communication.

Environmental Resilience and Structural Integrity of WD Series Discones

For mission-critical communication in extreme climates, the WD series aeronautical discone antennas utilize a heavy-duty, fully welded construction designed to withstand mechanical fatigue and environmental degradation. Built from 6063T6 military-grade architectural aluminum alloy, these antennas feature an anodized finish and additional powder coating to resist salt spray, acid rain, and UV radiation. To ensure survivability in arctic or maritime environments, internal junctions are protected within ruggedized radomes, preventing failures caused by vibration or heavy ice loading. The wide vertical beam-width inherent in the discone design facilitates seamless communication across diverse platforms, including ground-to-air, sea, and land-based mobile applications.

High-Performance Omni-Directional Coverage and Null-Filling Technology

The SD, CD, and AC series represent the pinnacle of omni-directional aeronautical base station technology, focusing on broad bandwidth and high power handling. The SD9-128 stacked dipole array, for example, delivers an ultra-high gain of 9dBd in a standard omni-directional pattern or 12dBd in an offset configuration, maintaining a stable Voltage Standing Wave Ratio (VSWR) across its 20 MHz bandwidth. These systems often incorporate null-filling coverage to eliminate "dead zones" beneath the antenna, ensuring continuous contact with aircraft at various altitudes. Furthermore, the use of fiberglass enclosures in the CD and AC5 series provides RF transparency while minimizing wind loading and ice accumulation, while the "Choke and Spark Gap" technique ensures gain constancy and electrical stability across the 117.975-137 MHz and 225-400 MHz bands.

AC5-127 VHF ATC High-Gain (5+dBi) Radiating Architecture and Broad-Band Performance

The AC5-127 is a high-performance, omni-directional VHF aviation band antenna engineered specifically for mission-critical ATC ground-to-air and ground-to-ground communications. Its internal architecture features large-diameter radiating elements stacked vertically to achieve a consistent 5+ dBi gain across the entire 117.975–137 MHz frequency spectrum. By utilizing a sophisticated impedance matching technique, the system ensures a smooth Voltage Standing Wave Ratio (VSWR), eliminating the need for complex field tuning or manual adjustments. This streamlined electrical design allows a single high-gain unit to replace multiple standard antennas, reducing tower clutter and simplifying site architecture while maintaining superior signal integrity.

AC5-312 UHF Military ATC High-Gain (5dBi) Vertical Architecture and Broadband Efficiency

The AC5-312 is a high-performance, vertically polarized UHF aviation band antenna engineered to provide an elevated gain profile across the 225–400 MHz spectrum. Its internal design utilizes large-diameter radiating elements, precision-stacked to achieve superior omni-directional coverage for ground-to-air and ground-to-ground communication. By employing a specialized internal impedance matching technique, the AC5-312 maintains a consistently smooth VSWR throughout the entire frequency range. This high-gain architecture allows ATC operators to extend their signal reach and consolidate their infrastructure, effectively replacing the need for multiple lower-gain antennas with a single, high-efficiency radiator.

VHF UHF ATC High-Power Broadband Radiation and Beam-Width Stability

The ACHP-118-400 is a high-power, vertically polarized omni-directional antenna engineered to provide a seamless communication link across the entire 118–400 MHz VHF/UHF aviation spectrum. Unlike traditional discone antennas, which often suffer from pattern tilt as frequency increases, this model utilizes a coaxial dipole design to maintain a clean elevation radiation pattern. With a consistent 80-degree vertical beam-width and a gain of 2.5+ dBi, it ensures stable ground-to-air coverage without the "scalloping" effects typical of lower-tier broadband radiators. By integrating a specialized impedance matching technique, the system delivers a smooth VSWR across the full band, allowing it to function as a unified high-power solution for both military and civil ATC requirements without the clutter of multiple antenna arrays.

VHF UHF Aviation Band High-Efficiency Broadband Performance and Signal Versatility WD-118-400 Shipboard Application

The WD-118-400 is a heavy-duty, fully welded discone antenna engineered for high-efficiency transmission and reception across the complete 118–400 MHz spectrum. Designed to function as a unified broadband solution, it maintains an exceptionally low VSWR throughout the entire frequency range, eliminating the need for multiple antennas in complex base station environments. This makes it an ideal choice for high-demand applications such as real-time spectrum monitoring, tactical jamming, and multi-band ATC communications. The characteristic wide vertical beam-width of the discone design ensures seamless, reliable signal propagation for sea-to-shore, ground-to-air, and terrestrial mobile links, providing consistent connectivity regardless of the targets elevation.

WD-118-400 VHF UHF Shipboard Ruggedized Marine Construction and Arctic Survivability

Specifically built to outperform conventional antennas in the world’s most hostile climates, the WD-118-400 features a fully welded architectural structure that provides unmatched mechanical integrity. This specialized construction is particularly effective in arctic and oceanic regions, where heavy ice loading and intense structural vibrations often lead to the failure of standard modular antennas. By utilizing 6063T6 military-grade aluminum alloy, the antenna offers a superior strength-to-weight ratio. All internal electrical junctions are further protected within a ruggedized radome, ensuring that the antenna’s core remains operational even when the exterior is subjected to extreme physical stress or mechanical fatigue.

Experts in Beamforming in Desired Plain and Desired Direction

Antenna Experts manufactures VHF UHF ATC antenna for civil aviation VHF ATC band 117.975-137 MHz and military UHF ATC air band 225-400 MHz with various gain for directional and omni-directional properties. Antenna Experts also manufactures extended range VHF UHF ATC air band array system to control the vertical and horizontal beam-width in desired plane as per the customer specific requirements. Apart from the list appeared in the "Aviation Band Antenna" section of our website, we are expertise to design and supply the VHF UHF ATC antennas systems with many configurations to control the beam-width in desired plane.