TRA4903 Allicdata Electronics
Allicdata Part #:

TRA4903-ND

Manufacturer Part#:

TRA4903

Price: $ 23.42
Product Category:

RF/IF and RFID

Manufacturer: Laird Technologies IAS
Short Description: ANT PHANTOM UHF 490-512 NMO WHT
More Detail: 501MHz Dome RF Antenna 490MHz ~ 512MHz 3dBi Conne...
DataSheet: TRA4903 datasheetTRA4903 Datasheet/PDF
Quantity: 1000
10 +: $ 21.29400
Stock 1000Can Ship Immediately
$ 23.42
Specifications
Return Loss: --
Applications: --
Height (Max): 3.300" (83.82mm)
Mounting Type: Base Mount
Ingress Protection: --
Termination: Connector, NMO
Features: --
Power - Max: 100W
Gain: 3dBi
Series: Phantom®
VSWR: 2
Number of Bands: 1
Antenna Type: Dome
Frequency Range: 490MHz ~ 512MHz
Frequency (Center/Band): 501MHz
Frequency Group: UHF (300 MHz ~ 1 GHz)
Part Status: Active
Packaging: Bulk 
Description

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RF Antennas are one of the most essential components of wireless communication as they provide the necessary link between wireless carriers and their users. This article will discuss the application field and working principle of the TRA4903, a multi-element antenna designed for use in high-frequency wireless applications.

TRA4903 is engineered to function in the 1.7 to 2.7 GHz frequency range, with a gain of up to 18 dBi. It also features a wide-angle radiation pattern, which helps to ensure maximum signal coverage in the area. The antenna is designed to support up to four radio channels and can be used in both indoor and outdoor applications.

The working principle of the antenna is based on the basic principles of electricity and electron flow, where a conductive surface is stored with a potential difference and then allowed to emit electromagnetic waves when a current is applied. The magnetic field from the current interacts with the generated electric field, resulting in the radiation of a wave.

On the other hand, antenna operation is based on the principle of reciprocity which states that the radiation pattern of the antenna is independent of the polarization of the current applied to it. This means that if the current has one polarization, the radiation pattern of the antenna will be the same in all directions, regardless of the polarization of the incident wave.

The TRA4903 employs a multi-element configuration that helps to enhance the performance of the antenna in both transmit and receive modes. The antenna is designed with two separate radiators—a main element and a reflector. The reflected waves from the reflector help to shape the radiation pattern of the main element, resulting in an improved gain and radiation pattern. Additionally, the antenna features a low-noise amplifier which helps to reduce the interference from other signals, resulting in improved reception and transmission.

The TRA4903 is an ideal antenna for wireless communication due to its high-frequency range, wide-angle radiation pattern, and improved performance in both transmit and receive modes. Furthermore, its multi-element configuration helps to reduce interference from other signals while increasing the gain and radiation pattern. This makes it an ideal choice for a wide range of applications, particularly in metropolitan areas where high-frequency signals may be present.

The specific data is subject to PDF, and the above content is for reference

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