SEEED-113990042 MINI 125KHZ RFID MODULE - PRE-SOLDERED ANTENNA T545221 SEEED-113990042 is a versatile RFID module and accessory that designed as a Module with functionality: This RFID module is designed for reading code from 125Khz card compatible read-only tags and read/write card. Manufactured by SEEED STUDIO and compliant with ROHS standards. Packaged as BOX, it is ideal for diverse RFID applications.