M5Stack RFID Unit 2 (WS1850S)

Description M5Stack RFID Unit 2 (WS1850S) Offers a radio frequency identification unit Features two LEGO compatible holes Provides working frequency is 13.56 MHz Built-in WS1850S chip Communication protocol: I2C The M5Stack RFID Unit 2 (WS1850S) is a radio frequency identification unit. Built-in WS1850S chip, working frequency is 13.56 MHz. Supports reading card, writing card, recognition, recording, and encoding RF card Multiple functions such as authorization. Use magnetic field induction technology to realize non-contact two-way information interaction, read and verify the information of proximity cards. It can be used in access control systems, check-in systems, warehouse goods entry and storage, and community vehicle entry and exit registration need Application scenarios for information verification. View more What's Included 1x M5Stack RFID Unit 2 (WS1850S) Dimensions Size 48 x 24 x 8 mm (L x W x H)