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Puzzle: Double Phrases related to Electromagnetism, Fields and Antennas Download Puzzle (PDF)

The VL-1461-383 is a full-size, VHF omnidirectional antenna covering the Amateur 2 meter band (144-148 MHz). The internal radiating structure is balanced and complementary, and no ground plane is needed or required for normal operation. The antenna is housed in a Fiberglass enclosure making it rugged and tolerant to challenging environments. Internally, the feedpoint is DC shunted (short circuit) and electrically grounded (if mounted onto a grounded mast/structure), offering limited...

The VL-5201-383 is a half-size, omnidirectional antenna covering the Amateur 6 meter band (50-54 MHz). In spite of its small size, this antenna will rival any full size equivalent. The internal radiating structure is complementary, and no ground plane is needed or required for normal operation. The antenna is housed in a Fiberglass enclosure making it rugged and tolerant to challenging environments. Internally, the feedpoint is DC shunted (short circuit) and electrically grounded (if mounted...

The VL-4401-383 is a half-size, omnidirectional antenna covering the Low Band VHF Fire and Public Safety spectrum (42-46 MHz). In spite of its small size, this antenna will rival any full size equivalent. The internal radiating structure is complementary, and no ground plane is needed or required for normal operation. The antenna is housed in a Fiberglass enclosure making it rugged and tolerant to challenging environments. Internally, the feedpoint is DC shunted (short circuit) and...

The LL-1001-396 is a small, low profile, omnidirectional AM antenna, covering the Medium Frequency spectrum from 600 kHz to 1.6 MHz (AM Band). It may be used as an AM antenna for Mobile homes, and to monitor the MF spectrum in First Responder assets. The internal radiating structure is self-contained: no ground plane is needed or required for normal operation.This antenna is an enhanced loop, thus its feedpoint is DC shunted (short circuit) and electrically grounded (if mounted onto a grounded...

The LL-1001-396-CF is a small, low profile, narrowband omnidirectional, Custom Tuned MF or HF antenna. Select your desired operating frequency from 0.1 MHz to 30 MHz (MF/HF Band). It may be used as an AM antenna for Mobile homes, and to monitor the MF spectrum in First Responder assets. The internal radiating structure is self-contained: no ground plane is needed or required for normal operation.This antenna is an enhanced loop, thus its feedpoint is DC shunted (short circuit) and electrically...

The VL-2051-383 is an omnidirectional antenna covering the entire VHF Digital Audio Broadcast band (DAB, Band III, 174-240 MHz). DAB is the future "FM broadcast" band, popular in Europe and Asia, featuring CD quality audio broadcast over land (terrestrial DAB). The internal radiating structure is complementary and broadband. Thus, no ground plane is needed or required for normal operation. The antenna is housed in a Fiberglass enclosure making it rugged and tolerant to challenging...

The UL-1700-D345ISR is a versatile, Dual Band, ISM/license free spectrum antenna. It measures 4 cm/1.5" OD x 11 cm/4.5" H and is designed to conveniently mount onto any structure, by means of a single 1/4" (6.4 mm) hole. Its internal radiating structure is self-contained and operates well with or without a ground plane. Therefore, it can be mounted on a non-conductive support, as needed by your application. Use this product with any 900 MHz and/or 2.4 GHz modem, WLAN, transceiver or data link,...

Leadtime: 4 Weeks ARO Operating Frequency: select from 200-2000 MHz Bandwidth: 10% minimum Coverage: Omni-directional Polarization: Linear, Vertical Gain: +2 dBil Nominal Impedance: 50 ohm (RF), Short Circuit (DC) VSWR: 2.0 Connector: TNC, Female Dimensions: Radome/Housing 4 cm (1.5") OD x 122 cm (48") Height (maximum) Mounting flange 10 cm (4") Diameter Mounting: 4 x 1/4-20 screws NOTES: Does not require a ground plane ...

UC-300-B5, UHF Satcom Antenna, CP Description Leadtime: 4 weeks ARO Antenna model UC-300-B5 is a lightweight, complete UHF Satcom antenna system. The polarization of this antenna is Circular (CP), intended for communications through satellites only. For dual and multi-purpose UHF Satcom applications, visit our custom antennas website at , or look at our other UHF Satcom product offerings at UHF SATCOM/LOS/DAMA/MUOS Antennas catergory within this store. SPECIFICATIONS: Operating Frequencies:...

UL-4000-319-CF, Mobile Radio Antenna Description Lead time is typically 2 weeks This item is identical to UL-4600-319 Series Mobile Radio Antennas, except that the tuning frequency is specified by client for a specific need. This part number is only sold in bundle quantities (minimum order of 10 units). Lead Time for this item is 2 weeks. A broadband, rugged, mobile radio antenna featuring a high ESD (ElectroStatic Discharge) isolation. With modest dimensions of 1.5"/4 cm (OD) x 4"/10 cm...

A broadband, rugged, mobile radio antenna featuring a high ESD (ElectroStatic Discharge) isolation. With modest dimensions of 1.5"/4 cm (OD) x 4"/10 cm (height), this antenna radiates with a typical peak omnidirectional gain of +5 dBil, when mounted on a large metal surface of at least 16"/40 cm radius. This antenna will survive a 20 ft drop onto asphalt and continue operating Frequency range: 850-950 MHz Coverage: Omni-directional, low azimuthal ripple (1 dB) Polarization: Linear, Vertical...

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Orbcomm Antenna description Orbcomm Antenna, model UC-1374-531 is a +4 dBic Quadrifilar Helix with dimensions: 16 cm/6" OD x 62 cm/24.5" H, designed for Orbcomm satellite use on land or sea platforms. The Orbcomm network is very good at servicing short messages (sensory data, tracking and Internet of Things or IoT) from assets worldwide. Through its large constellation of satellites, Orbcomm usually delivers such messages within 15 minutes. It is the only commercial satellite network operating...

Model VL-2200-496 is a small VHF 220 MHz Band Antenna (219-220 MHz, 220/222-225 MHz Amateur Radio, 217-222MHz Railroad/Positive Train Control-PTC, 217-218 MHz/219-220 MHz AMTS Bands), designed for ground mobile platforms (vehicles) with height restrictions. Measuring only approximately 4" (10 cm) in diameter and 6" (15.3 cm) tall, this antenna is a very efficient Low Profile radiator. When installed properly on the metal chassis of a ground vehicle, the VL-2200-496 will perform comparably with...

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A broadband, rugged, mobile radio antenna featuring a high ESD (ElectroStatic Discharge) isolation. With modest dimensions of 1.5"/4 cm (OD) x 4"/10 cm (height), this antenna radiates with a typical peak omnidirectional gain of +5 dBil, when mounted on a large metal surface of at least 16"/40 cm radius. Frequency range: 850-950 MHz Coverage: Omni-directional, low azimuthal ripple (1 dB) Polarization: Linear, Vertical Gain: +5 dBil minimum Nominal Impedance: 50 ohm (RF), Short Circuit (DC)...

A broadband, rugged, mobile radio antenna featuring a high ESD (ElectroStatic Discharge) isolation. With modest dimensions of 1.5"/4 cm (OD) x 4"/10 cm (height), this antenna radiates with a typical peak omnidirectional gain of +5 dBil, when mounted on a large metal surface of at least 16"/40 cm radius. This antenna will survive a 20 ft drop onto asphalt and continue operating (see Drop Test results) Frequency range: 415-421 MHz Coverage: Omni-directional, low azimuthal ripple (1 dB)...

UL-2441-A223, Broadband Omni Antenna Technical Specifications Frequency range: 1.2-2.8 GHz Coverage: Omni-directional Polarization: Linear, Vertical Gain: +2 to +4 dBil Nominal Impedance: 50 ohm (RF), Open Circuit (DC) with grounded radiating element VSWR: 2.0 Dimensions: Radome/Housing 5 cm (2") OD (max) x 7.6 cm (3") Height Mounting flange 7.75 cm (3.05") Diameter x 3 mm (0.12") thick Mounting: 8 x #6-32, 100° screws NOTES: Requires a ground plane (normally mounts on a metal body) This...

The UC-1574-341RSA is a Quadrifilar Helix Antenna (4 cm/1.5" OD x 11 cm/4.5" H) designed for use with GPS L1, 1.5754 GHz receivers and systems. It features a built-in, robust (+24 dBm IIP3, +20 dBm P1dB), +10 dB Low Noise Amplifier with a dual, high rejection GPS filter (greater than 60 dB rejection of out of band signals). This combination of a small QFHA, a tough LNA and a high-rejection filter makes the UC-1574-341RSA an ideal antenna for harsh electromagnetic environments, or in...

The UC-1574-341RM is a Quadrifilar Helix antenna (4 cm/1.5" OD x 11 cm/4.5" H) designed for use with GPS L1, 1.5754 GHz receivers and systems. SPECIFICATIONS: Frequency range: 1565-1585 MHz Coverage: Hemispherical Polarization: Right-Handed, Circular (AR 3 dB) Gain: +3 dBic Nominal Impedance: 50 ohm (RF) Input Power: 1 Watt CW VSWR: 2.0 GRAPH Connector: MMCX, Male on a low loss, 24" Flexible RG-405 cable Dimensions: Housing 4 cm (1.5") OD x 11 cm (4.5") h Bottom flange 5 cm (2") OD x 13 mm...

The UC-1574-341RMA is a Quadrifilar Helix Antenna (4 cm/1.5" OD x 11 cm/4.5" H) designed for use with GPS L1, 1.5754 GHz receivers and systems. It features a built-in, robust (+24 dBm IIP3, +20 dBm P1dB), +10 dB Low Noise Amplifier with a dual, high rejection GPS filter (greater than 60 dB rejection of out of band signals). This combination of a small QFHA, a tough LNA and a high-rejection filter makes the UC-1574-341RMA an ideal antenna for harsh electromagnetic environments, or in...

As of May 2007, this filter model has been upgraded to Revision A, to incorporate the following improvements: greater out of band isolation, increased current handling capability to 1 Ampere, built-in protection fuse which automatically resets itself (more detail below) voltage drop through the filter has been reduced to 1/7th that of the original design (for greater power efficiency) FILTERS NOW INCLUDE A FUSE THAT RESETS AUTOMATICALLY and you may select from 4 different fuse currents. This...

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