Catalog excerpts

EA21650-D - 1

EA21650 D-RAPCON Antenna EA11570 Antenna EA21650 Type Specification D-RAPCON Antenna The EA21650 is Easat’s Tactical Deployable Air Surveillance Antenna. The antenna system is self-contained and capable of being transported by ship, airplane, helicopter or towed to site. The design provides for rapid deployment in less than 60 minutes from arrival at the operating location. The antenna is a dual frequency band, carbon fibre composite based reflector which operates at S-band (2.7-2.9 GHz) and L-band (1.0-1.1 GHz). Three states of polarization (linear, horizontal, left-hand circular and right-hand circular) are provided for S-band beam by use of polarisation-switching capability. At L-band, the antenna operates in IFF/MSSR by use of three beams: sum, difference and omni. The L-band beacon feed is contained within a common feed/polarizer housing. A side lobe suppression antenna is provided to illuminate the sidelobe suppression beam. These features combine to provide leading-edge RF performance from the antenna system. Specifications are subject to change as part of Easat's ongoing improvement policy. Customers are advised to confirm specifications prior to contract. Easat Antenna Ltd, Goodwin House, Leek Road, Hanley, Stoke-on-Trent, Staffordshire, ST1 3NR, UK Tel/Fax +44 (0)1782 208028/208060 email: antenna@easat.co.uk Web: www.easat.co.uk EA21650 D-RAPCON Antenna ©Easat Antennas Ltd RevO /March 2014 Easat Radar Systems Ltd, Unit 1 Jubilee Site, Ivy House Road, Hanley, Stoke-On-Trent, ST1 3NW, England Telephone: +44 (0)1782 208028 Fax: +44 (0)1782 208060 Email: info@easat.com Website: www.easat.com

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EA21650-D - 2

EA21650 EA21650 D-RAPCON Antenna EA11570 Antenna EA21650 D-RAPCONAntenna D-RAPCON Antenna EA11570 Antenna Electrical Specification – S-band Beam Characteristics Low Beam High Beam Electrical Specificationband - 2.7 GHz – 2.9 GHz Frequency range 'S' – S-band Beam Characteristics Low rotating High Beam Gain (incl. Microwave loss) 33.8 dBi at Beam joint 31.0 dBi at rotating joint Frequency range 'S' band - 2.7 GHz – 2.9 GHz VSWR 1.5: 1 1.5:1 Gain Ratio 33.8 dBi at ≤ -19dB joint rotating averaged over the frequencyrotating joint 31.0 dBi at band Axial (incl. Microwave loss) VSWR 1.5: 1 1.5:1...

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