RFID Card Reader and Writer Module

RFID Card Reader and Writer ModuleOverviewRCR-3302 ( former as RFM-13X  series )is a high-performance embedded RFID card reader/writer module,  read and write Mifare1 (S50 and S70), ISO 14443A/ B, ISO 15693 series card, with one SAM slot,   RS232/USB/TTL interface for optional. It can be widely applied in the industries of attendance system, access control, public transportation, and any other terminal systems.Packet head content definition:NameLengthInstructionsPacket head1byte0x03Packet length1bytePacket ID, split packet numbers and total length of data take up the sum of byte number.Packet ID1bytea data split data block is with the same packet ID.Split  packet numbers1bytea data split data block numbersData total length 2bytetotal length for split command.Check sum1byteAll of bytes XOR as per bit from packet head length to data total length.SpecificationVoltage+5VDC (± 5%)Current