MARKET SEGMENTS

Defense, Military & Homeland Security

Spectrum Management

Test & Measurement

WIDEBAND ANTENNA EXPERTISE

COJOT, specialized in the design, development and manufacture of mobile VHF/SHF wideband antennas, provides a broad range of sophisticated solutions for today’s demanding radio frequency systems used for tactical communication, electronic warfare (EW) and spectrum monitoring applications.

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WHAT’S NEW

If you want to take it to the next level, you have come to the right place.

COJOT and Alaris Antennas to exhibit at DSEI Japan 15 – 17 March 2023

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COJOT, together with sister company, Alaris Antennas will be showcasing their products and expertise at this year’s DSEI Japan. Taking place 15-17 March 2023, the second edition of DSEI Japan will bring the global defence and security sector together with the entire Japanese and wider Asian defence community to innovate, partner and share knowledge under one roof…

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Our High-Band counter-IED Antennas

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Selecting the right antenna for the right application and integrating it correctly into a Radio Frequency (RF) system is imperative. Particularly in Electronic Countermeasure (ECM Antenna) applications, where RF systems are used to prevent the detonation of Radio Controlled Improvised Explosive Devices (RCIED) it is vital to understand the technological characteristics of wideband antennas. As…

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OUR PRODUCTS

COJOT antennas are the ideal choice for a broad range of applications. We offer a great variety of omnidirectional low- and high-gain antennas and accessories for the 20 – 6000 MHz frequency range, as well as customization and EM-Simulation services.

  • COUNTER RCIED/JAMMING ANTENNAS

    Our sophisticated range of wide- and narrowband antennas includes monopole, dipole, biconical and patch type antennas that are ideally suited for high and low power applications from 10 to 400 W.

  • TACTICAL COMMUNICATION ANTENNAS

    We offer field-proven VHF/UHF/SHF antennas and suitable accessories for the military manpack, handheld and vehicle segment, including solutions for fixed installations such as masts or shelters.

  • MONITORING ANTENNAS

    COJOT’s omnidirectional wideband antennas are well suited to a variety of digital wideband RF receivers for mobile and stationary use.

  • VEHICLE ANTENNAS

    COJOT vehicle VHF/UHF/SHF antennas are an ideal choice for installations on all kind of vehicles as well as for fixed installations like on masts, shelters or containers.

  • PORTABLE ANTENNAS

    COJOT’s comprehensive range of lightweight, rugged manpack and man portable wide- and narrowband antennas, are a crucial element of today’s demanding RF systems used in tactical communication, electronic countermeasure (ECM) and spectrum monitoring applications.

  • FIXED-SITE ANTENNAS

    Our range of fixed-site wideband antennas, including omnidirectional and directional solutions, offers an ideal choice for installation on masts, shelters or containers.

  • STEERABLE BEAM ANTENNAS

    COJOT Steerable Beam Antennas (SBAs) combine the outputs of multiple antennas in such a way that fixed beams are steered with a heightened sensitivity and gain to a particular or multiple directions.

  • MISSION ADAPTIVE ANTENNAS

    COJOT Adaptive Antennas are matched based on controlled band switching, where the frequency band is split into smaller slots and each slot is matched separately.

  • COUNTER-UAS ANTENNAS

    We offer a sophisticated range of various antenna types within the 400 – 6000 MHz frequency range that provide an ideal solution to efficiently detect and defeat drones.

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