VLF 20-3000MHz Ultra-Wideband Discone Antenna Outdoors Use
  • VLF 20-3000MHz Ultra-Wideband Discone Antenna Outdoors Use VLF 20-3000MHz Ultra-Wideband Discone Antenna Outdoors Use
  • VLF 20-3000MHz Ultra-Wideband Discone Antenna Outdoors Use VLF 20-3000MHz Ultra-Wideband Discone Antenna Outdoors Use

VLF 20-3000MHz Ultra-Wideband Discone Antenna Outdoors Use

This 20-3000MHz ultra-wideband VLF discone antenna is a professional omnidirectional outdoor RF antenna designed for full-band signal reception and transmission. Made of high-strength, weather-resistant materials, it is optimized for long-term operation in harsh outdoor environments and is widely applicable to wireless monitoring, spectrum scanning, communication base stations, emergency communications, and industrial RF signal acquisition.

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Product Description

The VLF 20-3000MHz Ultra-wideband discone antenna covers an ultra-wide frequency range from the low-frequency 20MHz VLF band to the 3000MHz UHF band, perfectly combining low-frequency wave penetration and high-frequency broadband coverage. This antenna employs a classic disc-cone structure design, featuring stable vertical linear polarization, ultra-low VSWR across the entire frequency band, and uniform 360° horizontal signal radiation.

Parameter

Electrical specifications

Frequency Range(MHz)

25-3000MHz

Impedance(ohm)

50

Gain(dBi)

5.5dBi

Polarization

Vertical

Radiation

Omni

VSWR

<1.5

Maximum input power(W)

20W(50mhz)200W(more than 140mhz)

Transmit band

26-27-46-49-72-144-220-440-900-1290 MHz

 

50-144-430-904-1200Mhz

 

 

Mechanical specifications

Connector

SO239

Length

1700 mm

Mast Diameter accepted

25mm to 50mm

HEIGHT RADIALS

6 lower radials 32”(81cm)

HEIGHT RADIALS

8 upper radials 10.5”(26cm)

Requires mast

not included

Material

STAINLESS STEEL

Coaxial cable

RG58A/U approx.15m with M-connectors/N-connectors

Operating temperature(℃)

-40~80

 

- Ultra-wide Full-band Coverage (20MHz–3000MHz): Covers VLF, HF, VHF, UHF full frequency bands, realizing one antenna for multi-scene use.

- Omnidirectional Stable Radiation: 360° horizontal omnidirectional coverage with no signal blind spots, vertical linear polarization design matches mainstream communication equipment standards.

 

- Excellent Ultra-low VSWR Performance: Precisely impedance-matched structure design ensures flat standing wave ratio throughout the full frequency band, effectively reducing signal reflection and loss

- Easy Installation & Wide Compatibility: Equipped with standard N-type female connector and universal fixed mounting bracket, supporting pole mounting and wall mounting.

Miniaturized & High Gain: Optimized compact structural design abandons the bulky defect of traditional full-band antennas

 

This 20–3000MHz discone antenna breaks the frequency band limitation, taking into account VLF low-frequency strong penetration and UHF high-frequency high-speed transmission. With industrial-grade weather resistance, full-band low VSWR and omnidirectional stable coverage, it solves the problems of insufficient frequency band coverage, unstable signal and poor environmental adaptability of ordinary antennas. It is a cost-effective and high-performance professional outdoor RF antenna for industrial, commercial and monitoring fields.

 

VLF 20-3000MHz Ultra-Wideband Discone Antenna Outdoors UseVLF 20-3000MHz Ultra-Wideband Discone Antenna Outdoors Use

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