Dipoles
1) electric dipole - is the separation of a negative charge from a positive. 2) magnetic dipole - the closed circuit of an electric current system.
See Also: Dipole Antennas, Dipole Reference Antennas, Precision Dipole Antennas
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Dipoles
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Tuned half-wave dipoles have been among the most important antennas from the beginning of rf-technique. The characteristics of half-wave dipoles have been calculable very early using the Maxwell and Hertz equations. Therefore the half wave dipole became a reference antenna.
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Multi-Band Dipole Antenna Covering 600–6000 MHz , Suitable For 2/3/4/5G Sub6, GPS-L1, And More.
AIW-533
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Omni-directional radiation pattern4/5G NR FR1 application (600-6000MHz) broadband antennaHigh antenna efficiencyOperating Temperature: -40 ~ 85℃
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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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Omni-Directional Radiation Pattern, Compatible For WiFi5/6/6E/7,industrial Grade Temperature Range, IP67 Level
AIW-513
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Dipole antenna with omni-directional radiation patternSupport 6GHz bandCompatible for WiFi5/6/6E/7RP-SMA male connectorOperating Temperature: -40 ~ 85℃IP67 level
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Dipole Antennas
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Provides reliable, repeatable measurements. Suitable of FCC, MIL-STD, VDE, Tempest and Immunity stesting.
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Dipole Antennas
A6434
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CAES manufactures dipole antennas for a variety of terrestrial applications including fixed-site, man-portable, and vehicular.
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Multi-Band Dipole Antenna Covering 600–3000 MHz , Suitable For 2/3/4/5G Sub6, GPS-L1, And More.
AIW-531-I
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Omni-directional radiation pattern4/5G NR FR1 application (600-3000MHz) broadband antennaHigh antenna efficiencyOperating Temperature: -40 ~ 85℃
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Log Periodic Antennas
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TDK Log Periodic Antennas - v-log array, log periodic dipole antenna, precision log periodic antenna, etc
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Omni-Directional Radiation Pattern, Compatible For WiFi 5/6/6E/7
AIW-511
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Dipole antenna with omni-directional radiation patternSupport 6GHz bandCompatible for WiFi5/6/6E/7RP-SMA male connectorOperating Temperature: 0 ~ 70℃
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Reference Antennas
Type NRD
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Reference antennas are precision dipole antennas that offer a fixed 2.15 dB of gain over an isotropic antenna along the major lobe axis at specified frequencies (2.15 dBi). They are intended to be used for antenna field pattern and gain measurements, or general RF sensing in the laboratory.
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Turned Multiple Dipole Antenna
MODP2080
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Antenna for Radiation Immunity Test on Car Max. Input Power : 12kW & High Erectric Field at = 4 : 100V/m Contolable the Height/Deviation by own unique Stand Patent Information.
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Omni-Directional Radiation Pattern, Compatible For WiFi5/6
AIW-510
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Dipole antenna with omni-directional radiation patternCompatible for WiFi5/6RP-SMA male connectorOperating Temperature: -40 ~ 85℃
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Biconical Antennas
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For many years most standards called for the use of a half-wave dipole antenna set for frequencies above 80 MHz. However, to reduce test time, broadband antennas such as the biconical antenna and log periodic antennas began to be accepted. Broadband antennas, compared to half wave dipoles, reduce test time because the technician did not have to stop the test to adjust the dipole antenna for each frequency. A.H. Systems'' 7 models of Biconical Antennas operate efficiently over the frequency range of 20 MHz to 18 GHz. Suitable for FCC, MIL-STD, VDE, TEMPEST, and immunity testing, each Biconical antenna will provide reliable, repeatable measurements.
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Multi-Band Dipole Antenna Covering 600–6000 MHz , Suitable For 2/3/4/5G Sub6, GPS-L1, And More.
AIW-534
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Omni-directional radiation pattern4/5G NR FR1 application (600-6000MHz) broadband antennaHigh antenna efficiencyOperating Temperature: -40 ~ 85℃
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Biconic Logarithmic Periodic Antennas
Stacked LPDA
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The stacked Logarithmic Periodic Dipole Antenna consists of two ordinary Log.-Per. structures. The excellent characteristics (flat gain over a large bandwidth, low SWR) of the ordinary Log.-Per. designs could be maintained using the stacked LP design. The stacked design helps to focus the directional pattern of the H-plane somewhat, resulting in a typical gain improvement of ca. 2-3 dB compared to an ordinary LPDA. This is especially important for immunity testing, where a maximum fieldstrength and a good field uniformity is required. The beamwidth in the E-plane and the H-plane are nearly identical, providing an optimised illumination of the EuT with minimised ground reflection influence. Further the STLP 9128 C has an excellent cross-polar rejection.
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Omni-Directional Radiation Pattern, Compatible For WiFi5/6/6E/7, Industrial Grade Temperature Range
AIW-512-I
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Dipole antenna with omni-directional radiation patternSupport 6GHz bandCompatible for WiFi5/6/6E/7RP-SMA male connectorOperating Temperature: -40 ~ 85℃
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Omni-Directional Radiation Pattern, Compatible For WiFi5/6/6E/7
AIW-512-C
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Dipole antenna with omni-directional radiation patternSupport 6GHz bandCompatible for WiFi5/6/6E/7RP-SMA male connectorOperating Temperature: 0 ~ 70℃
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Log Periodic Dipole Array
ALP620
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Skeletal remote antenna for decreased wind loading. The ALP Series antennas are a Log Periodic Dipole Array (LPDA) design that provides a useful directional pattern over a broad frequency bandwidth.
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Multi-Band Dipole Antenna Covering 600–6000 MHz , Suitable For 2/3/4/5G Sub6, GPS-L1, And More.
AIW-532
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Omni-directional radiation pattern4/5G NR FR1 application (600-6000MHz) broadband antennaHigh antenna efficiencyOperating Temperature: -40 ~ 85℃
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Log Periodic Dipole Array
ALP650
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Skeletal design remote antenna with onboard amplifier ideal for long cable runs, phantom powered from Venue, UMC16 or Bias T. The ALP Series antennas are a Log Periodic Dipole Array (LPDA) design that provides a useful directional pattern over a broad frequency bandwidth.
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Log Periodic Dipole Array
ALP500
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Standard remote antenna ideal for fixed applications. The ALP Series antennas are a Log Periodic Dipole Array (LPDA) design that provides a useful directional pattern over a broad frequency bandwidth.
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Monitoring & Drive Test Antennas
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Linear polarized half-wave dipole with 1:1 balun and fixed element length for fieldstrength measurements at TETRA (terrestrical trunked radio) networks.
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Omnidirectional HF Antennas
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Kratos Defense & Security Solutions, Inc.
Broadband dipole products include the horizontally polarized 1765 antenna for short-to-medium range communications, the 3065 antenna that reduces ground-area requirements, and the 5065 series designed for locations where space is at a premium, including rooftops.
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Field Strength Meter
FIM-71 VHF
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The Model FIM-71 is a portable, laboratory quality Field Strength Meter designed for rigorous field applications. Combining a calibrated half-wave dipole antenna and a highly accurate tuned voltmeter with a range of 140 dB, the FIM-71 is suitable for practically all types of RF emission measurements in the 45 MHz to 225 MHz spectrum. The operator can switch select wide or narrow bandwidth, peak or average value of TV or pulse modulated signals, AM or FM demodulation, and a meter dynamic range of either 20 dB or 60 dB. A dc analog output voltage, proportional to the meter indication, is provided for driving a chart recorder. A leveled output from the calibrating oscillator is available for measuring cable insertion loss, filter response, amplifier gain, and other signal ratio measurements. The 4-1/2 inch, taut band, mirrored scale meter is calibrated in volts and dB for precise measurements in field or laboratory environments.
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Electromagnetic Conductivity Meter
CMD-DUO
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CMD-DUO electromagnetic conductivity meter completes our family of advanced digital conductivity meters with the instrument for deep surveys. Easy operated set with variable dipole distance allows multidepth field survey with results suitable both for apparent conductivity and model sections (inversion by IX1D). geological survey, water management (searching for potable water sources, groundwater protection, ground contamination monitoring), raw material prospecting, investigation of underground objects.
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Multi-Band Dipole Antenna Covering 600–3000 MHz , Suitable For 2/3/4/5G Sub6, GPS-L1, And More.
AIW-531-C
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Omni-directional radiation pattern4/5G NR FR1 application (600-3000MHz) broadband antennaHigh antenna efficiencyOperating Temperature: 0 ~ 70℃
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Precision Conical Dipole
PCD 8250
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Exposure evaluation next to mobile communication facilities e.g. GSM and UMTS base stations. Accurate RF radiation safety measurements e.g. nearby broadcast stations or in buildings. All kinds of field strength measurements where high precision, a wide frequency range and small antenna dimensions are required. Measurements according to our Field Nose method. Frequency range: 80 MHz 3 GHz
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VECTOR-GUN HANDHELD DIRECTION FINDING ANTENNA SYSTEM
HFDF
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National RF's Type HFDF active directional antenna system consists of a high gain RF amplifier coupled to a tunable Faraday shielded loop antenna. Several loop antenna assemblies are available to provide coverage of frequencies in the HF and low VHF spectrum. Due to the nature of a Faraday shielded loop, the antenna exhibits a sharp null through the diametric center of the loop. This null is used to determine the direction of incoming radio signals or to locate electrical noise being radiated from some source. The internal high gain amplifier is used to compensate for the inherent inefficiency of the actual loop at the operating frequency. Overall, the system dynamic response is about +6 dB as compared to the dynamic response of a dipole. To aid in the direction finding process on strong signals, an internal 30 DB attenuator is provided. As the loop antenna presents a bi-directional response, tri-angulation may be required to eliminate the ambiguous signal direction. The line of site of the incoming signal is determined by listening for a signal null on the receiver or by watching the receiver’s S-meter.
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Multi-Band Dipole Antenna Covering 600–6000 MHz, Suitable For 2/3/4/5G Sub6, GPS-L1, And More. IP67 Level
AIW-530
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Omni-directional radiation pattern4/5G NR FR1 application (600-6000MHz) broadband antennaHigh antenna efficiencyOperating Temperature: -40 ~ 85℃IP67 level
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Precision Conical Dipole
PCD 3100
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Site validation measurements according to prEN 50147-3 in fully anechoic rooms. Accurate RF radiation safety measurements (e.g. broadcast stations). All purposes of broadband precision field-strength measurements. Frequency range: 30 MHz - 1 GHz
