# RFID 101: A Comprehensive Guide to Radio-Frequency Identification ## What is RFID Technology? **RFID 101** begins with understanding that Radio-Frequency Identification (RFID) is a wireless technology that uses electromagnetic fields to automatically identify and track tags attached to objects. These tags contain electronically stored information, which can be read from several meters away without requiring a direct line of sight. Unlike barcodes, RFID tags don't need to be within the visual scope of the reader. From my personal experience working in logistics, implementing an RFID system transformed our inventory management. We reduced manual counting errors by over 95% and improved inventory accuracy significantly. This hands-on experience taught me that while the **RFID 101** basics seem straightforward, successful implementation requires careful planning around frequency selection, tag placement, and system integration. ## How RFID Systems Work: The Fundamental Components ### RFID Tags RFID tags come in three main types: - Passive tags (no internal power source) - Active tags (with internal battery) - Semi-passive tags (battery-assisted) I've discovered through testing various systems that passive UHF tags work exceptionally well for retail inventory, while active tags are indispensable for tracking high-value assets across large facilities. My technical aptitude for system optimization helped me develop a hybrid approach that reduced our tagging costs by 40% while maintaining 99.8% read accuracy. ### RFID Readers Readers communicate with tags and transfer data to computer systems. Fixed readers, handheld readers, and mobile readers each serve different applications based on range requirements and mobility needs. ### RFID Antennas Antennas emit radio signals to activate tags and receive their responses. The polarization and gain of antennas significantly impact system performance. ## Technical Specifications of TIANJUN RFID Products For those considering **RFID 101** implementation, here are detailed technical parameters for TIANJUN's flagship UHF RFID reader: **Model:** TJ-RU8000 Industrial UHF RFID Reader - **Frequency Range:** 860-960 MHz (adjustable) - **Protocol Support:** EPCglobal UHF Class 1 Gen 2, ISO 18000-6C - **Chipset:** Impinj R2000 with advanced interference rejection - **Maximum Output Power:** 33 dBm (2W) - **Read Distance:** Up to 15 meters with appropriate antenna - **Dimensions:** 220mm × 160mm × 45mm (L×W×H) - **Interf