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
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