FG4500PL

The FG4500PL RF antenna is a type of wider-scanning active antenna designed for application in a wide range of high power RF systems. It is typically used to provide very high power gain over a wide frequency range and is also suitable for applications in different types of wireless communications systems, including wireless LANs, mobile communications, and satellite communications. It has a very high directivity gain of up to 30.2 dB, which is two times higher than the typical gain of an active antenna. The antenna has a very wide beamwidth of 120 degrees and is capable of providing coverage over large areas.The FG4500PL RF antenna is designed to operate in an extremely wide frequency range, from 0.1 MHz to 6GHz. It is also designed for high power operation with an input power level of up to 12 W at the antenna port. Its wide frequency range and high power operation capabilities makes it suitable for applications such as microwave point-to-point links, long range coverage, WiFi hotspots, and base station backhaul. Its wide beamwidth also allows it to cover a large area with its signal, thus providing more reliable communication.One of the main features of the FG4500PL is its low VSWR, which is typically less than 1.4 and lower than most active antennas in this class. This ensures that only minimal power is lost due to the mismatch between the antenna and the source, thus maximizing the efficiency of the signal. Moreover, the antenna\'s near-perfect directional pattern ensures that the radiation is concentrated in the desired direction, thus reducing the effects of external noise and interference on the signal.The working principle of the FG4500PL RF antenna is based on a combination of the reciprocity principle and the far-field radiation pattern. It is a variable-gain directional antenna that uses electronically-controlled active reception and transmission elements to steer the beam in the desired direction. The antenna has two discrete dipole elements, one for transmitting and one for receiving, which are connected in an electronically controllable switching network. This enables the antenna to produce a variable-gain circularly-polarized radiation at the input port. The network actively amplifies the received signal from the antenna, increasing its strength.The FG4500PL is a highly advanced RF antenna that offers a great deal of flexibility for adjusting the antenna patterns. It is suitable for applications in high-power wireless communications systems, such as wireless LANs, mobile phone networks, and satellite communication applications. Its wide frequency range, high directivity gain, and low VSWR make it highly versatile and suitable for a wide range of RF applications.

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