Blue key fob tag that fits on a standard key ring for easy carrying and access. Durable construction for longlasting use and reliable performance. Key benefits Portable and convenient: small size fits on a key ring for instant access and simple entry control. Easy identification: external number printed on the tag for fast visual identification and administrative control. Wide compatibility: supports a broad range of tag formats and modulation types to work with many readers and systems. code capacity: supports up to 85 bits, offering over 137 billion unique codes for flexible deployment. Durable design: built for sustained performance in everyday use, reducing the need for frequent replacement. Features and specifications Color: Blue Size: small, designed to attach to key rings or lanyards Identification: external number for quick reference Supported formats: RFID, HID, T5577, CET5577, EM4100, TK4001, EM4001, TK4100, ISO11784, ISO11785, ISO FDXB Supported modulation and encoding: Manchester, FSK, PSK, NRZ, etc. Bit depth: up to 85 bits, over 137 billion codes Construction: durable for longterm reliable use Practical applications 1) Access control: attach to staff or contractor keys for secure, easy identification and door entry with compatible readers. 2) Asset tagging and tracking: use for equipment or vehicle keys where a compact, numbered tag helps manage assignments and inventory. 3) Events and memberships: distribute to members or attendees for entry validation and streamlined check in with supported RFID systems. Why this tag solves common problems Reduces losttime and confusion by combining a compact tag with a visible external number for quick identification. Works with many widely used RFID protocols and encoding schemes, minimizing compatibility issues when integrating with existing readers. Offers a large code space for unique IDs, supporting deployments that require many distinct tags without code collisions. What to check before use Verify reader compatibility with the listed formats and modulation types. Confirm required bit length and encoding match your system settings. Ensure the external number format meets your labeling and record keeping needs. This blue key fob tag provides a compact, durable, and broadly compatible solution for access control, asset tagging, and membership entry applications.