Great variety of wideband antenna solutions

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We offer highly reliable and durable solutions for VHF, UHF and SHF bands

EXPERTISE IN
WIDEBAND ANTENNAS

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Superior Performance For Tactical VHF/UHF Handheld And Vehicle Radio Systems

MISSION ADAPTIVE ANTENNAS

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.

WHAT’S NEW

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

COVID-19

March 26, 2020/in News /by Norbert Nawroth

Dear COJOT clients and partners, the Corona Virus is paralizing the world and circumstances around us are changing rapidly. We are closely monitoring the situation and have been implementing precautionary measures at COJOT to support the health and safety of our staff. We are highly committed to do all that we can to keep our…

Dipole VHF/UHF Vehicle Antenna

February 28, 2020/in News /by admin

COJOT is introducing a new vehicle antenna type for the 30 – 512 MHz frequency range. The brand new WD30512M is a dipole solution that doesn’t require a ground plane, making it ideally suited for vehicle and mast mountings. The antenna’s removable radiator supports COJOT’s multi-use concept (see white paper). Features: Dipole antenna – no…

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.

ECM 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 200 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.
SWITCHED BEAM ANTENNAS
COJOT Switched 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.