EXC902SF

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RF Antennas

EXC902SF is an interconnected dual-band antenna designed for both indoor and outdoor use. It is a low-cost, high-performance antenna that has become a popular choice for both commercial and residential applications.

Application Field

EXC902SF is ideal for any application where a compact, high-performance, dual-band antenna is needed. It is used in applications such as wireless LANs, home security systems, radio broadcasting networks, cellular, wireless base stations, power-line communication links, emergency dispatch centers, and long-distance wireless communication. In the business world, it is often found in public WiFi hotspots, corporate intranets, remote sensing systems, and ground networks.

Working Principle

The EXC902SF antenna operates on two frequency bands. Each band is tuned to its respective frequency, with about 1/3 of the total power spread out over both bands. The antenna uses an array of dipoles, which can be grouped into linear, circular, or elliptical configurations. This array is tuned to the required frequencies by adjusting the spacing, orientation, and number of dipoles in the array. By modifying the configuration of the dipoles, the antenna is able to achieve the desired bandwidth and gain.

The antenna is constructed from a plastic laminate which is filled with ceramic powder. This combination makes the antenna strong, lightweight, and durable, and allows the antenna to withstand harsh environmental conditions and even exposure to water or dust. The antenna also features an RF shield which blocks out unwanted signals.

The antenna also incorporates an amplifier in order to boost the signal. This amplifier is connected to a control circuit which can be programmed to automatically adjust the gain of the antenna as well as the power distribution over the two frequency bands. This allows for improved performance during low signal intensity conditions.

Conclusion

EXC902SF is an excellent choice for any application needing a dual-band antenna capable of operation in both indoor and outdoor environments. Its compact size and rugged construction make it ideal for use in various types of applications. The incorporation of a control circuit and RF shield make the antenna highly efficient and ensure that unwanted interference is eliminated.

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