Cavity Backed Dual Arm Archimedean Spiral Antenna 800-4000MHz Model AS-800-4000

AS-800-4000 Cavity Backed Dual Arm Archimedean Spiral Antenna 800-4000MHz


Dual Arm Archimedean Cavity backed Spiral Antenna 800-4000MHz


Antenna Experts a leading manufacturer & exporter of world highest performance military grade cavity backed dual arm archimedean spiral antenna. Antenna Experts also offer world shortest lead-time in its military cavity backed dual arm archimedean spiral antenna range of products. We are also known for design and supply customized version of cavity backed dual arm archimedean spiral antenna along with customized mounting option and customized color option. All the cavity backed spiral antenna are supplied with high quality high strength non-metallic radomes which makes these antenna highly suitable for outdoor environmental installation.

Antenna Experts AS-800-4000 MIL-STD cavity backed dual arm archimedean spiral antenna uses 6063T6 ultra corrosion resistant architectural anodized aluminum alloy and designed to provide wideband directional transmission/reception of radio signals. The circular polarized cavity backed spiral antennas are supplied with powder coating finish to protect the antenna further from severe environmental conditions. Cavity backed spiral antennas are highly suitable where circularly polarized signals are required with ultra wide bandwidth. Both left hand circular polarization (LHCP) and right hand circular polarization (RHCP)cavity backed spiral antenna are available.

The MIL-STD cavity backed dual arm archimedean spiral antenna model AS-800-4000 use 6063T6 ultra corrosion resistant architectural anodized aluminum alloy and designed to provide wideband directional transmission/reception of radio signals from 800-4000 MHz bands. The antenna is supplied with powder coating finish to protect the antenna further from severe environmental conditions. Both left hand circular polarization (LHCP) and right hand circular polarization (RHCP) cavity backed dual arm archmedean spiral antenna are available.

The military cavity backed dual arm archimedean spiral antenna is a frequency independent antenna and this spiral antenna is weather protected suitable for outdoors use in applications requiring circularly polarized RF radiations. The AS-800-4000 uses extended coaxial stubs technique to provide constant 3+ dBi gain over entire 800-4000 MHz frequency band while maintaining the wider beam-width. This MIL-STD cavity backed spiral antenna is highly suitable for transmission, reception, monitoring, scanning, ECM, surveillance, signal intelligence (SIGINT), direction finding (DF), telemetry and airborne applications due to its ultra broad band design feature.

AS-800-4000 cavity backed dual arm archimedean spiral antenna model uses 50 ohms impedance and has 60-80 degrees wide vertical and horizontal beamwidth. Antenna Experts cavity backed dual arm archmedean spiral antenna can handle up to 150 watts RF power. MIL-STD Cavity backed dual arm archmedean spiral antenna is supplied with olive green color. Other customized color can also be supplied on request. Similarly customized connector also supplied on request. Mounting bracket of cavity backed dual arm archimedean spiral antenna is designed in such a way that it can be removed for ease of shipping and transportation and same can be fix within minutes.

High gain cavity backed dual arm archimedean spiral antenna is sealed in an aluminum cavity and is highly immune to noise. Matching circuit of dual arm archimedean spiral antenna is housed inside the main body of the antenna. A special mounting hardware to mount the dual arm archimedean spiral antenna on vertical pole having outer diameter of 25-51mm (1"-2"). Higher diameter mounting including any customized mounting can be supplied on request. Cavity backed dual arm archimedean spiral spiral antenna N-Female termination is fixed on top of the antenna body for easy connectivity. The AS-800-4000 cavity backed dual arm archimedean spiral antenna is light weight, broadband and rugged spiral antennas, supplied with fiberglass cover to protect the antenna from severe environmental conditions.

Electrical Specification AS-800-4000 Dual Arm Archimedean Cavity Backed Spiral Antenna 800-4000MHz

Frequency Range 800-4000 MHz
Antenna Gain - Typical 6 dBic
Antenna Bandwidth Entire 800-4000 MHz Band
Antenna Polarization Circular - RHCP or LHCP
Input Impedance 50 Ohms
Radiation Pattern Directional
Azimuth Beamwidth -3dB Point 60-80 Degrees
Vertical Beamwidth -3dB Point 60-80 Degrees
VSWR - Better Than 2.5:1
RF Power Rating 150 Watts
Input Termination N Type Female or Customized

Mechanical Specification AS-800-4000 Dual Arm Archimedean Cavity Backed Spiral Antenna 800-4000MHz

Antenna Cavity Materials 6063T6 Aluminum Alloy
Mounting Hardware Marine Grade Stainless Steel
Gross Weight - Approx. 2.0 Kgs. (4.4 lbs)
Wind Rating 200 Km/Hr. (125 MPH)
Antenna Diameter - Approx. 290mm (11 Inches)
Antenna Height - Approx. 100mm (4 Inches)
Radiating Elements Materials High Quality Copper Strips
Maximum Mount Pipe/Mast Diameter 32-51mm (1.25-2.0 Inches)
Front Radome Materials High Strength Fiberglass
Antenna Color/Finish Olive Green or Customized
Shipping Diamension - Approx. 330x330x150mm (13x13x6 Inches)

Environmental Specification AS-800-4000 Dual Arm Archimedean Cavity Backed Spiral Antenna 800-4000MHz

Antenna Operating Temperature (-) 30 to +60 Degrees Celsius
Antenna Storage Temperature (-) 40 to +70 Degrees Celsius
Antenna Humidity 0 to 95% RH

All the high performance cavity backed dual arm spiral antennas are light weight, broadband and rugged spiral antennas, supplied with fiberglass radome cover to protect the antenna from environment. The cavity backed spiral antenna is designed to perform with much higher efficiency than conventional rubber duck antenna. Some of the cavity backed spiral antennas manufactured by Antenna Experts are listed in our "Cavity Backed Spiral Antenna" section. Antenna Experts would be pleased to discuss your specific requirement with customized mounting brackets.

Please refer to our "Dual Arm Cavity Backed Spiral Antenna" section for more details on cavity backed dual arm archimedean spiral antenna products datasheets and installation manual. Also you can ask us for detailed datasheets of these cavity backed dual arm archimedean spiral antennas in pdf format. You can also request more technical information like VSWR curve and radiation patterns.


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