VSWR:	1.5
Applications:	--
Height (Max):	3.600" (91.44mm)
Mounting Type:	Connector Mount
Ingress Protection:	--
Termination:	Connector, SMA Male
Features:	--
Gain:	--
Return Loss:	--
Series:	EXD
Number of Bands:	1
Antenna Type:	Whip, Straight
Frequency Range:	470MHz ~ 512MHz
Frequency (Center/Band):	491MHz
Frequency Group:	UHF (300 MHz ~ 1 GHz)
Part Status:	Active
Packaging:	Bulk

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Introduction

EXD470SM is one of the more popularly used antennas in RF applications due to its high efficiency and reliable performance. It has become an industry standard in many RF communication applications and is widely used in various communication systems, such as broadcasting, point-to-point, wireless network, and control systems.

Application and Design

EXD470SM is a patch antenna that typically covers the frequency range from 400 to 470 MHz, a specific application of continuous frequency coverage, or from 400 to 960 MHz, covering a range of different applications. The EXD470SM is designed to facilitate uniform, omnidirectional radiation patterns, allowing it to provide good coverage in the near zone. This type of antenna can be used for both linear and omni-directional (vertical or horizontal) polarization of signals, making it an excellent choice for applications requiring a geographic coverage or multipurpose applications that need regular signal strength across different beam angles. Its small size also helps to make it ideal for applications where the installation space is small, such as mobile phones or base stations. Moreover, the EXD470SM is designed in a way to reduce distortion in signal performance by reducingstanding wave ratio (SWR) and conducted power loss. This helps maintain signal strength and stability, resulting in increased signal-to-noise ratios and improved data transfer rates. It is also designed to be lightweight and to have low wind resistance, so that it can be used in different applications where weight and size are critical.

Working Principle

The working principle of EXD470SM is based on its antenna design and electromagnetic radiation patterns. It operates on the principle of mutual coupling between the two elements. The antenna elements consist of two radiating elements, placed on top of each other, that are connected to a central tuning system to adjust resonance, based on signals received or transmitted. The antenna elements act as feeds for electromagnetic signals, which then propagate in a direction. The antenna elements can be adjusted by the tuning system, which can be done in the form of a switch or adjustment knob. The antenna can thus be tuned to the electromagnetic signals of a desired frequency range. On transmission, the antenna elements create electromagnetic waves and reproduce them in a specific shape. These waves then move in all directions, in the form of an antenna pattern. The antenna\'s design and its tuning system allow it to create high-efficiency signals, which can be used in multiple applications. On the receiver side, the antenna elements act as feeds to concentrate and receive incoming electromagnetic signals. The tuning system adjusts the antenna\'s resonance according to the frequency of these signals, which allows it to receive them more efficiently. The antenna pattern works in the opposite direction, receiving signals from all directions and converting them into electromagnetic energy.

Conclusion

EXD470SM antennas are widely used in various communication applications due to their reliable performance and antenna design. Its design allows it to be tuned to a specific frequency range and create electromagnetic waves with high efficiency. The antenna provides uniform and omnidirectional radiation patterns, which makes it ideal for a variety of applications. It is also lightweight and has low wind resistance, which make it useful for applications where weight and size are factors. The high efficiency and reliable performance make EXD470SM a popular choice across many different industries.

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