Dipole Antennas
A bilaterally symmetrical straight antenna fed from the center whose length is equal to one-half of the wavelenght of the operating frequency.
See Also: Antennas, Dipoles, Broadband Antennas, Log Periodic Antennas, Directional Antennas, HF Antennas, Biconical Antennas, Horn Antennas, Isotropic Antennas, Loop Antennas, Antenna Software, Antenna Analyzers, Dipole Reference Antennas
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Cassegrain Antennas
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In telecommunications and radar, a Cassegrain antenna is a parabolic antenna in which the feed antenna is mounted at or behind the surface of the concave main parabolic reflector dish and is aimed at a smaller convex secondary reflector suspended in front of the primary reflector. The beam of radio waves from the feed illuminates the secondary reflector, which reflects it back to the main reflector dish, which reflects it forward again to form the desired beam. The Cassegrain design is widely used in parabolic antennas, particularly in large antennas such as those in satellite ground stations, radio telescopes, and communication satellites.
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DAS Antennas
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In-Building Distributed Antenna System (DAS or i-DAS) antennas are low profile and designed to be mounted discreetly to a hard or tiled ceiling. Used in a series throughout large buildings, campus areas or even in below ground sections of a building the antennas can provide a distributed LTE or Wi-Fi signal to where it is required most. With a growing demand for in-building connectivity and higher data rates, larger smart or connected buildings require a series of antennas in order to distribute signal around the building or campus area.
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Antennas
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Is a specialized transducer that converts electric current into electromagnetic (EM) waves or vice versa.
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Antenna Position Tester
FTA
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Fuzhou Fuguang Electronics Co., Ltd.
FTA series Antenna Position Tester is a convenient test instrument for planning, construction, maintenance and optimization of antenna system.
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Antennas
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Dual polarized 6 dBi omni-directional antenna. Included with each antenna is a unique mounting bracket that allows the Ubiquiti® RocketM2 radio to be attached directly to the antenna. Also included are a pair of 195-series low-loss cable assemblies to connect the RocketM2 to the antenna. Customers can enjoy the cost saving of these kits compared to purchasing an Ubiquiti® antenna to use with the RocketM2 radio.
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Antenna, Active Loop
EM-6869 | 9 KHz – 50 MHz
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The Electro-Metrics EM-6869 Active Loop Antenna is used with any receiver or spectrum analyzer with 50 ohm input and covers the frequency range of 9 kHz to 50 MHz.
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Antenna, Ultra-Wideband, Directional
EM-6945 | 500 MHz – 25 GHz
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The EM-6945 Vector Log Periodic antenna covers the broadest frequency range available in such a small, rugged, deployable package. Offering the uncompromising performance you’ve come to expect from Electro-Metrics, a state-of-the-art design provides the antenna characteristics you need, unmatched by others in the community.
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Antenna Noise Canceller
ANC-4
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The ANC-4 is an rf device that eliminates or reduces power line noise, BPL noise, computer noise, TV-generated interference, and other types of electrical noise. The ANC-4 unit connects right to the antenna connector of the receiver or transceiver to cancel locally generated noise before it gets into the receiver and affects the receiver AGC circuits.
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Active biconical Antennas
BicoLOG X Series
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Only a single broadband test antenna for the complete frequency range from 20MHz up to 3GHz. Optimal for usage with spectrum analysers for EMC measurement. Active Antennas with high gain up to 41dBi.
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Millimeter Wave Antennas
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Ducommun millimeter wave products include ACH, ARH and ALC series circular, rectangular gain horn antennas and lens corrected horn antennas for system applications. Low side lobes, ridged configuration and low cost are the main features of these antennas. The standard gain value and half power beamwidth at mid-frequency point of each waveguide band are 23 dBi and 9 degrees, respectively. Other gain values are available as customer order. These antennas cover the frequency range of 18 to 110 GHz.
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Biconical Antennas
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Biconical Antennas have dipole like characteristics (e.g. circular directional pattern in the H-plane,"8"-shaped in the E-plane, fixed phase center, comparable gain), with an enormous wide bandwidth achieved by the double cone elements.
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Antenna Test Chambers
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Special design for low PIM antenna measurements Shielding > 90 dB Frequency Range 700/1000 MHz to 6000 MHz Residual PIM < -165 dBc (@ 2 x 43 dBm) Up to 6 antenna ports for multi-band and MIMO antennas Standard models for antennas up to 2.7 m length Customized solutions available on request
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Combination Antennas
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By combining multiple technologies such as GNSS, cellular, and WiFi in a single housing, our combination antennas help you to increase efficiency and coverage for applications such as fleet management, vehicle tracking, and passenger connectivity on the go.
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Active Antennas
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Is an antenna that contains active electronic components such as transistors, as opposed to most antennas which only consist of passive components such as metal rods, capacitors and inductors.
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Combination Antennas
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By combining multiple technologies such as GNSS, cellular, and WiFi in a single housing, our combination antennas help you to increase efficiency and coverage for applications such as fleet management, vehicle tracking, and passenger connectivity on the go.
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Antenna, Log Periodic
EM-6954 | 70 MHz – 1 GHz
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The EM-6954 is designed to meet antenna requirements for both field strength measurement and radiated susceptibility in the 70 MHz to 1 GHz frequency range.
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Rectangular Horn Antennas
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SAGE Millimeter wave rectangular gain horns, also called pyramidal gain horns, are offered as both standard and custom models with a rectangular waveguide interface. The pyramidal gain horns only support linear polarization. With a calibrated gain chart, these horns can be used to measure the gain of other antennas by comparing the generated signal levels of both. For this reason, these horns are also referred to as standard gain horns. The listed models offer 23 dB nominal gain, 10/11 degrees typical half power beamwidth and 14 dB/30 dB typical side lobe levels at the center frequency of the band. These horns cover full waveguide bandwidths within the frequency range of 8.2 to 170 GHz. In addition to the models listed below, models with 10, 15, 20 and 25 dB gain and other frequency bands are also available.
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Automatic Antenna Tuner
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Automatic Antenna Tuner has not been released for full Beta testing and production yet as we are solving some firmware issues. We cannot give you a date nor estimate at this time when full production will commence.
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Scalar Feed Horn Antennas
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Scalar feed horns are offered as both standard and custom build models with either a circular or rectangular waveguide interface. While scalar feed horns with a rectangular waveguide interface can only support linear polarization, models with a circular waveguide interface can support various polarization types including horizontal, vertical, left-handed circular, and right-handed circular polarization for broader applications. The standard models operate across the full waveguide band and offer 17 dBi nominal gain, 25 degrees half power beamwidth and a -28 dB side lobe level at center frequency. The below standard offering covers the frequency range of 8.5 to 140 GHz. However, other frequencies or gain values are also available.
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AM/FM Antennas
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Our range of well-crafted and designed AM/FM antennas keep your onboard entertainment playing.
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Antenna Impedance Converter
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The low noise impedance matching equipment has a high impedance input with minimized capacity. With the 50 Ω output it can be used with common EMI receivers or spectrum analyzers to measure the emissions received by an antenna on a vehicle.
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Maritime Navigation and Communications Antennas
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LBA provides equipment and services to support shore station requirements for modern maritime communications in the low frequency, medium frequency, and high frequency radio bands
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Broadband Horn Antennas
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Offer a very low SWR in their nominal frequency range and a very broad bandwidth. The increasing gain with frequency helps to compensate cable losses. Is suitable for both, transmission and receiving applications. The max. allowed Input Power is only limited by the coaxial connector.
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Base Station Antennas
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This antenna provides Omni-Directional platform for advanced use in encompassing low band deployment scenarios and AWS and PCS in high band in a high quality package design built to withstand harsh environments.
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Cable & Antenna Analyzers
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Site engineers and technicians have been using sweep testers also known as cable and antenna analyzers to validate installations or to find trouble locations and imperfections in wireless sites.
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Fixed LEO/MEO Antenna Systems
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Kratos Defense & Security Solutions, Inc.
Kratos Low Earth Orbit (LEO) and Medium Earth Orbit (MEO) antennas antennas are precision engineered to provide stable, high throughput links to LEO and MEO constellations. Designed to work in open air without a radome, they provide a high pointing accuracy with low backlash, controlled by Kratos’ NGC2 Controller.
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Antenna, Biconical
EM-6917B-1 | 30 MHz To 3 GHz
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The EM-6917B-1, a hybrid combination of the industry standard biconical and log periodic antennas, delivers an unmatched combination of frequency coverage and high power handling capability. Featuring exceptionally broad frequency coverage of 26 MHz to 3 GHz, the EM-6917B-1 eliminates the need for adjustments or switching antennas in most test applications up to 3 GHz, and it does so without compromising power handling capability for transmit applications.
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Antenna
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Beijing KeHuan Century EMC Technology Co,.LTD
Antenna is adjusted using the receiver, use, testing, measurement, etc.
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EMF Measurements Antennas
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An isotropic antenna that allows to carry out radiated emission and environment exposure measurement (elettrosmog) to the radio frequencies in proximity of radio and television stations and repeaters for mobile telephone.
