由其分销商提供的 M5Stack U031-B 的描述。
NFC/RFID Development Tools RFID Unit (WS1850S)
Family Name = M5Stack / Product Type = Communications Module / Interfaces = I²C / Interfaces = RFID / Wireless Connectivity = NFC / Length mm = 48 / Width mm = 24 / Height mm = 8 / Weight g = 6