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Cobham Antenna Systems

Antennas for Military, Security and Surveillance Applications

Cobham Antenna Systems specialise in the design and manufacture of microwave antennas for defence, security and satellite communications.

Cobham Antenna Systems

Cobham Antenna Systems design and manufacture microwave antennas for defence, security and satellite communications.

Worldwide applications including ground-to-air, robotics, unmanned vehicles, Link16, radar, ground control centres, video surveillance, COFDM, electronic warfare, body worn systems, tactical communications, outside broadcast and more all use Cobham’s antennas.

More than 2,000 standard antenna designs are available over the frequency range 100MHz to 27GHz. Types include standard omni-directional, directional and sector antennas as well as more advanced antenna technologies such as ultra-wideband, high-power, high-gain, multi-sector, blade-style, hemi-omnis and multi-stacked omnis.

Link16 Omni Antenna - high-gain omni antenna XVO7‐960‐1215/1120 for Link16/MIDS (NATO stock number: NSN 5985‐99‐758‐6585) with 7dBi gain. New Sector antenna with mounting flange is now available for Link16 applications.
A range of antennas has been developed for Body Worn and Man Pack communications systems. Photograph courtesy of Cobham Surveillance (Domo).
An array of directional antennas featuring high-isolation between transmit and receive form an integral part of the HSTAT radar system. Photograph courtesy of MARK Resources Inc.
Aerodynamic, light weight blade antennas with omnidirectional pattern are integrated into the wing of a UAV for telemetry transmission. Blade antennas are also sued for target drones. Photograph of X48‐B courtesy of The Boeing Company.
A portfolio of antennas (100MHz to 18GHz) cover all the frequency bands in which higher power amplifiers currently operate. New feed‐through technology enables omnis to be ‘stacked’ into a single housing for ease of mounting and high-isolation that can handle up to 200W per band, simultaneously.
Cobham launched the 'universal' spring-mount omni-directional antenna range in early December 2015.
Spring mount antenna variations include the C-Band, S-Band and L-Band frequencies.

Most antennas have various choices including single or multi-band, colour, connector, electrical tilt and null-fill or side lobe patterns.

Operating out of a single UK-based location the company’s products are ITAR free.

Electronic warfare and countermeasure antennas

Cobham have a range of antennas that can be used to deny access to the RF spectrum providing safety to high value assets, including ground and airborne platforms as well as troops.

Robust ultra-wideband omni and directional antennas are used for ground-based and airborne systems for Counter IED and communications intercept.

They are also compatible with multi-band cellular applications such as communication in tunnels and Distributed Antenna Systems (DAS), spectrum monitoring and EW target drones.

Features include:

  • Peak gain on horizon across all bands
  • Biconical omnis that are fully efficient, vertically polarised bandwidths from 3:1 to 30:1 are achievable
  • High-power
  • Excellent azimuth patterns
  • Vertically polarised
  • Typically 0 to 2dBi gain across the band
  • Elevation HPBW typically 30 to 60 degrees
  • Ground plane independent
  • Frequencies from 100MHz to 18GHz

Wideband omni antennas can be ‘stacked’ so that several antennas may be designed into a single housing, which provides a single mounting point on any vehicle.

New feed through technology allows multiple antennas to be co-located within the same housing.

  • Overlapping frequencies for multiple applications
  • 200W per band simultaneously
  • Good return loss across all bands
  • High isolation between bands

A wide range of high-power, ultra-wideband, directional, circular polarised antennas are available. This range is continually expanding with new developments for customers’ deployment requirements.

  • High-power (Tested to 150W in some cases but capable of more)
  • Highly directional for focused beams
  • Low profile
  • High-gain (Up to 32dBi)
  • Rugged

Dual-polarisation, MiMo and spring mount antennas

Cobham have a range of rugged dual-polar and MiMo antennas for various military applications.

  • Dual vertical and horizontal polarisations interleaved within a single housing
  • Circular and ±45° dual-slant versions available
  • Rugged
  • Proven
  • Spring mountable options

Cobham has a wide range of spring mounted antennas available in various frequencies, including L, S and C-Band.

Multi-octave bicones provide 2dBi gain, whilst collinear omni antennas have up to 10% bandwidth and provide up to 11dBi gain. Circular polarisation, excellent azimuth ripple and customised elevation beam patterns are combined to provide an accurate, reliable antenna.

Spring mounted antennas are rugged, high-power, have various connector types including fixed and spinning, along with bi-conical elements and low azimuth ripple.

Unmanned systems and ground control station antennas

Cobham have a wide range of antennas suitable for ground, air and marine based unmanned systems and corresponding control stations. Providing a paired set of antennas for the unmanned system and control station provides the most reliable link.

  • High gain antennas providing increased range, battery life and efficiency
  • Collinear, vertically polarised omni antennas for aerodynamic foil structures
  • Common data link ku-band omni antennas with circular polarisation and up to 4dBiC gain
  • Directional antennas for communication between airborne towed target and the towing aircraft
  • Spiral antennas for direction finding
  • Radar cross-section enhancement and radar detection

Body worn narrow and wide band patch antennas

Body worn sector antennas are wide band, with wide-angle sectoral coverage. They have high gain and can be configured in single, double or quad format depending on the radio. They are robust and field proven.

Narrow band directional patch antennas are perfect for covert, security applications. This type of antenna is extremely slim, 2mm to 4mm deep and can be sewn into clothing or webbing.

Wide band patch antennas are ideal for covert, security applications. They are slightly deeper in construction than narrow band antennas and can still be disguised within clothing, baggage and webbing, and are directional in coverage.

Wire style antennas are centre-fed wire dipoles, which provide omni coverage in open environments. These antennas are compatible with lower frequency covert applications and may be hidden within clothing, where the beamwidth reduces to 180° if used in body worn applications. They can be used in pairs to provide 360° coverage.

Customer specific antenna development programmes

Antenna development projects are regularly undertaken on behalf of customers for specific programmes. Advanced modelling tools are used to enhance accuracy, with resulting prototypes tested at the company’s on-site anechoic test chamber.

Accurate radiation pattern data ensures that antennas meet their quoted radiation and specification pattern envelopes. Antennas are tested throughout design and manufacture.

Microwave Antennas

Cobham Antenna Systems, Microwave Antennas specialise in the development and manufacture of antennas for existing and emerging markets within the frequency range 100MHz to 25GHz.

CAS is Lauching a New Newsletter

Welcome to the first issue of CAS News from Cobham Antenna Systems. Inspired by the richness of late-spring, we decided to launch this bi-monthly newsletter, to help keep everyone informed of all the exciting developments going on here at Cobham Antenna Systems (CAS), in Newmarket, UK.

14 June 2019

Cobham Launches New Triple-band Helix Antenna at AUVSI

Cobham is launching a new Helix antenna, model number TAMH-1.6-2.4-5.8/2453. It is designed to SWaP principles with the aim of improving performance while reducing the size, weight and power requirement for hand-held and fixed installations.

29 April 2019

Countering the Unlawful Use of Drones

Cobham Antenna Systems, a market-leading antenna manufacturer, draws on its vast range of resources to provide antenna solutions for systems designed to compromise the unlawful use of drones. A selection of these antennas will be on display on the Cobham Booth, #1631, at AUVSI's XPONENTIAL 2017, 8-11 May, Dallas, US.

8 May 2017

Cobham Introduces Two Ultra-Wideband Gooseneck Antennas

Designed for use on ground robots, unmanned vehicles, manpacks, broadcast cameras and vehicles, the wideband nature of these antennas allows users to future proof their systems and give increased flexibility when using software defined radios.

13 December 2016

Cobham AAR Products Aboard KC-390

At this year's Farnborough International Air Show, Brazilian aerospace and defence company Embraer organised a exhibit demonstrating the unique capabilities of its new KC-390 military transport aircraft.

29 July 2014

Cobham Launches Two New Omni Antennas

Two new omni antennas are now available, covering military L/S-Band and C-Band communications frequencies. Antenna reference OA4-1.7-2.5V/1810 is a wideband omni, covering the frequency range 1.7GHz to 2.5GHz. It features high gain of up to 4.2dBi and vertical polarisation. C

23 August 2011

Cobham Releases Multi Sector Antennas

The benefits of the multi sector antenna is that gain can be provided everywhere, including overhead, and customer's electronics can be installed inside radome to save space. With low MTBF (no moving parts) they are more reliable and much lower cost than a steerable system and provide greater ra

23 August 2011

Cobham to Attend AUVSI 2011

Cobham Antenna Systems, Microwave Antennas, will be attending AUVSI 2011, Unmanned Systems North America, which takes place from the 16-19 August 2011 at the Walter E Washington Convention Centre, Washington DC, USA. Multi sector Antennas on display include multi secto

12 August 2011

London Fire Brigade Uses Cobham Antenna for Emergency Services System

Keeping people and firefighters safe has to be the prime responsibility of the London Fire Brigade. One important aspect of today’s service is the use of reliable communications between mobile command centre and headquarters command control. The availability of data, instantly, ensures the effic

16 June 2011

Cobham Antennas Used for High-Speed Target Acquisition and Tracking System

MARK Resources has mounted a set of antennas developed by Cobham Antenna Systems (Microwave Antennas) in an array on a specially designed frame to meet the requirements for their new radar system. The radar is officially called the high-speed target acquisition and tracking system

14 April 2010

Cobham Supplies Omni-Antenna to Swedish Space Corporation

Cobham Antennas Systems (Microwave Antennas) has supplied Swedish Space Corporation with an omni-antenna for use on their balloon gondola, providing an effective link to transmit data to the ground. Mounted beneath the gondola and completely exposed, the omni-antenna worked well throughout th

14 April 2010

Antennas for Thales CTRL and St Pancras Station

European Antennas Ltd has designed and manufactured antennas for Thales for use on Section 2 of the Channel Tunnel Rail Link (CTRL) project between Fawkham Junction in Kent and London St Pancras International station. Section 2 of the CTRL includes the provision of 65km of new high spee

2 October 2007

Cobham Antenna Systems

Microwave Antennas
Lambda House
United Kingdom

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