The maximum distance for reliable communication depends on various factors such as the type of tag, antenna design, and environment. However, as a general guideline, the MFRC52201HN1,157 can communicate with passive RFID tags up to 10 cm (4 inches) away.
The MFRC52201HN1,157 supports various anti-collision algorithms such as the Slotted ALOHA algorithm and the Binary Search Tree algorithm. Implementing these algorithms requires a deep understanding of the RFID protocol and the specific requirements of your application. NXP provides application notes and example code to help with implementation.
The recommended antenna design for the MFRC52201HN1,157 is a rectangular or square-shaped antenna with a size of around 70 mm x 70 mm (2.8 inches x 2.8 inches). The antenna should be tuned to the operating frequency of 13.56 MHz and have an impedance of around 50 ohms.
To ensure secure data transmission, use encryption protocols such as AES or DES, and implement secure authentication mechanisms such as password protection or cryptographic authentication. Additionally, use secure communication protocols such as SSL/TLS to protect data transmitted between the MFRC52201HN1,157 and the RFID tag.
The MFRC52201HN1,157 has a typical power consumption of around 100 mA at 3.3 V. The device can operate from a single 2.5 V to 3.6 V power supply, and the current requirements depend on the specific application and operating mode.
MFRC52201HN1,157 datasheet
by NXP Semiconductors
