Return Loss:	--
Applications:	PCS
Height (Max):	2.300" (58.42mm)
Mounting Type:	Panel Mount
Ingress Protection:	--
Termination:	Connector, N Female
Features:	--
Power - Max:	100W
Gain:	3dBi
Series:	Phantom®
VSWR:	2
Number of Bands:	2
Antenna Type:	Dome
Frequency Range:	821MHz ~ 896MHz, 1.85GHz ~ 1.99GHz
Frequency (Center/Band):	858MHz, 1.9GHz
Frequency Group:	UHF (300 MHz ~ 1 GHz), UHF (1 GHz ~ 2 GHz)
Part Status:	Active
Packaging:	Bulk

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RF Antennas: TARH821/18503P Application Field and Working Principle

RF Antennas are commonly used in both consumer electronics and industrial applications. The TARH821/18503P is a type of RF Antenna manufactured by TARH Technologies. It is designed to meet the requirements of a wide range of applications, including telecommunication, wireless local area networks (WLANs) and radio broadcasting. The TARH821/18503P is highly reliable, robust, and easily integrated into existing systems.First and foremost, the TARH821/18503P is a high gain, wide bandwidth, omni-directional antenna. It is capable of supporting up to 8 channels, with the center frequency varying from 860 MHz to 891 MHz. The gain of this antenna is 3.5 dBi, with a horizontal radiation pattern. Additionally, it can operate in either vertical or horizontal polarization.The TARH821/18503P is constructed using a low loss material, making it very efficient. It is also designed to resist water and dust damage. The dielectric material used to construct this device also helps to prevent interference from other sources, and protect it from signals that may cause harmonic distortion. Additionally, the antenna is designed with a robust mechanical design and uses a durable UV-resistant coating.In terms of applications, the TARH821/18503P is perfect for a wide variety of applications, including point-to-point, point-to-multipoint, cellular systems, WLANs, 3G/4G networks, and VSAT systems. Additionally, it is also a great choice for OTA (Over the Air) transmission, in which signals are spread over large areas. Furthermore, the TARH821/18503P has excellent low-angle coverage, which allows it to be used in difficult terrains or obstructions.The working principle of the TARH821/18503P is based on the principle of electromagnetic induction. When electromagnetic waves impinge on this antenna, it causes the electrons within the antenna to move in a circular motion. This causes the electrons to form an “induction field” which resembles a “chain reaction” in which the initial wave’s energy is sent in a new direction. As a result, signals sent to the antenna will be amplified and transmitted in a desired direction.This antenna also possesses a significant amount of gain. Generally speaking, the gain of an antenna is measured in decibels (dB), and it indicates the strength of the signal relative to the power of the source. The TARH821/18503P has a gain of 3.5 dB at the common center frequency; this means that the signal can be sent and received at a greater distance with the same amount of power.In conclusion, the TARH821/18503P is an excellent choice for a wide range of applications including telecommunication, WLANs, radio broadcasting and OTA transmission. It has an impressive gain, a robust construction, and it can operate either vertically or horizontally polarized signals. With its wide bandwidth and excellent low-angle coverage, the TARH821/18503P is a great choice for any application.

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