RFID Tag 125KHz – ID Tag The RFID Tag 125KHz – ID Tag is a high-performance, contactless identification solution designed for secure access control, smart automation systems, and RFID-based tracking applications. Operating at a stable 125KHz low-frequency band, this ID tag ensures reliable communication, strong signal penetration, and excellent performance even in challenging environments such as metal surfaces or areas with interference. This tag is widely used in office buildings, residential access gates, time-attendance systems, hotel locks, RFID readers, and smart IoT projects. Its compact design, durable material, and fast response time make it a preferred choice for engineers, technicians, system integrators, and hobbyists working on embedded or automation systems. Key Features High-stability 125KHz operating frequency for reliable performance. Durable construction resistant to wear, bending, and environmental conditions. Fast response and high accuracy when used with compatible RFID readers. Pre-programmed unique ID number for secure identification. Lightweight, compact, and easy to integrate into badges, keychains, or devices. Long communication range depending on the reader and environment. Ideal for access control, attendance systems, and smart automation. Applications Door access systems and secure entry points Time-attendance readers in offices and factories Smart home and IoT automation projects Inventory identification and asset tracking Hotel card locks and facility management Engineering projects, Arduino RFID systems, and embedded control modules Why Choose a 125KHz RFID Tag? Excellent penetration ability, working even near non-metallic obstacles Stable performance and low power requirements Suitable for close-range but secure access operations Supports many common RFID readers such as EM4100, TK4100, and compatible modules Long-lasting material with repeated scanning reliability Technical Specifications (Datasheet) Parameter Value Frequency 125KHz Chip Type EM4100 / TK4100 (depending on model) Memory 64-bit unique ID (Read Only) Reading Distance 2–10 cm (varies by reader) Communication ASK (Amplitude Shift Keying) Operating Temperature −10°C to 60°C Material ABS / PVC Shape Card or key fob (depending on model) Thickness Standard RFID tag thickness Durability >100,000 read cycles Bullet Summary Secure and reliable RFID Tag 125KHz – ID Tag for professional access control High signal stability and fast response time Compatible with popular RFID readers and microcontroller modules Durable design suitable for daily use in industrial and commercial systems Ideal for engineers, technicians, and smart automation developers
