RFID AntennasA transistor is a type of semiconductor device that can be used to amplify a signal or switch electronic circuits on or off. The most common type of transistor is the metal-oxide-semiconductor field-effect transistor (MOSFET), which can be used in a variety of applications, including radio-frequency identification (RFID) systems. An RFID antenna is a specialized type of radio antenna that is used to transmit and receive RF signals between an RFID reader and an RFID tag. RFID antennas are a critical component of RFID systems, as they determine the range, sensitivity, and directionality of the RFID system. RFID antennas can be designed to operate over a specific frequency range, such as low-frequency (LF), high-frequency (HF), or ultra-high-frequency (UHF), depending on the application. RFID antennas are commonly used in applications such as inventory management, access control, and asset tracking.