# RFID Radio Frequency Tags ## What Are RFID Radio Frequency Tags? RFID radio frequency tags are small electronic devices that use radio waves to transmit data to an RFID reader. They consist of a microchip attached to an antenna, encapsulated in a protective material like plastic or paper. These tags are a cornerstone of modern identification, tracking, and data collection systems. My personal experience with implementing an RFID inventory system was transformative; it drastically reduced manual counting errors and saved countless hours. ## How RFID Tags Work and Their Key Components ### Operating Principle An RFID system requires a tag and a reader. The reader emits radio waves. When a tag enters this field, its antenna draws power and activates the chip, which then transmits its stored data back to the reader. ### Technical Specifications and Parameters For a specific product example, let's consider the **TIANJUN Ultra-High Frequency (UHF) Passive Tag TJ-U918**. **Technical Indicators & Detailed Parameters:** * **Chip:** Impinj Monza R6-P (Code: E710) * **Frequency:** 860 MHz - 960 MHz (Global UHF Band) * **Protocol:** EPCglobal UHF Class 1 Gen 2 (ISO 18000-6C) * **Memory:** * EPC: 128 bits (user-programmable) * TID: 96 bits (factory-locked) * User Memory: 512 bits * **Read Range:** Up to 10 meters (depending on reader and environment) * **Dimensions:** 86mm x 54mm x 0.8mm * **Material:** PET with adhesive backing * **Operating Temperature:** -25°C to +70°C * **Write Cycles:** 100,000 * **Data Retention:** 10 years > **Important Note:** The above technical parameters are for reference data. For exact specifications, compatibility, or custom requirements, you must contact the backend administration. ## Types and Applications of RFID Tags ### By Power Source * **Passive Tags:** Have no internal battery. They are powered by the reader's signal. They are smaller, cheaper, and have a virtually unlimited lifespan. * **Active Tags:** Contain a battery to power their chip and broadcast signals, offering much longer read ranges. * **Battery-Assisted Passive (BAP) Tags:** Incorporate a battery to power the chip only when activated by a reader, enhancing performance. ### Entertainment Industry Case Study A fascinating **entertainment application** is their use in major theme parks. Wristbands with embedded **RFID radio frequency tags**