The RW1990 is a type of electronic token or card that falls under the category of RFID (Radio-Frequency Identification) technology. RFID technology utilizes electromagnetic fields to automatically identify and track tags attached to objects. The RW1990, in particular, is known for its reproducibility and rewritability, making it a versatile and dynamic solution in various applications.

Features:

1. Reproducibility: The card has the capability to be reproduced, meaning that multiple copies can be created to serve the same purpose. This feature is valuable in scenarios where multiple access points or users need to be authorized using the same identification token.
2. Rewritability: The RW1990 is designed to be rewritable, allowing for the modification of data stored on the card. This flexibility makes it suitable for applications where information on the card needs to be updated or changed over time.
3. Unique Identification: Like other RFID cards, the RW1990 is likely to have a unique identification number embedded in it. This allows for individual identification and helps prevent unauthorized duplication.
4. Contactless Technology: The card operates using contactless technology, allowing it to be read or written to without direct physical contact with a reader device. This feature is common in RFID technology and contributes to the cards convenience and ease of use.
5. Applications: The RW1990 is likely to find applications in various industries, including access control systems, attendance tracking, inventory management, and other scenarios where reliable and dynamic identification is required.
6. Security Features: Depending on the specific model and implementation, the RW1990 may have security features to protect the data stored on the card and prevent unauthorized access.

Specifications:

1. System: 64bits pin for protection
2. Memory:8kb
3. Touch Type: Inductive
4. Working Temperature:-40~85
5. Dimension (mm): 53 x 20 x 7
6. Weight: 6g

Package Includes:

1 x Yellow RW1990 Reproducible Rewritable TM Card