CAS143-47 RF/IF and RFID

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Introduction to RFID Antennas:

RFID antennas, also known as radio-frequency identification antennas, are a type of RF based technology used for tracking and identification. They are used to read and write data to and from an RFID tag, which can be used in a variety of applications, such as inventory management, asset tracking, and authorization in access control systems.

CAS143-47 Application Field and Working Principle:

CAS143-47 is a compact multi-directional RFID antenna designed for outdoor use. It is ideal for vehicle or other mobile asset tracking and identification applications. The device operates at a frequency of 433 MHz and is equipped with two antenna elements. Each antenna element is comprised of a semi-circular panel antenna that radiates a circular pattern to permit operation in all directions.

This antenna has a half-wave dipole design giving the highest gain of 20 dBi. It has an impedance of 50 ohms, and a bandwidth of 35 MHz. Its net radiation efficiency is greater than 73%, making the antenna ideal for short range radio applications. The antenna can be mounted vertically or horizontally, and is waterproof and shock resistant.

In operation, the antenna picks up the signal from the tag and transmits it to the nearby RFID reader. The reader decodes the signal to extract the required information from the tag. The data is then transmitted to the application server where it can be used for tracking and identification purposes.

The antenna is capable of providing an extended read range of up to 2.5 kilometers. This makes it an ideal choice for long-range monitoring applications such as vehicle or asset tracking, as well as access control systems. It is also suitable for applications that require high antenna gain, such as warehouse management systems.

Conclusion:

The CAS143-47 RFID antenna is an ideal choice for applications that require a long-range, high antenna gain. It operates at a frequency of 433 MHz with an impedance of 50 ohms, and provides an extended read range of up to 2.5 kilometers. It is waterproof and shock resistant, making it suitable for outdoor use. The antenna is a suitable choice for vehicle tracking, asset identification, warehouse management systems, and access control systems.

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