Datasheet

HOLD
SS
WD0
WD1
SS
SS
DATA
0 0 0 1 … 1 0 0
26bits
T
HD
T
DW
T
IW T
SD
Symbol Specification Representative value
T
HD
Send data to active time
extension
2ms
T
SD
Send data to finish
time extension
2ms
T
DW
Data impulse width 80μs
T
IW
Data impulse interval
width
1ms
Reading Type ：
：：
：
Standard design -- card can’t be read again within the range of read antenna after read once. User must
move it out of reading antenna range first, swipe card again & can be read.
Special design -- card can be read continuously within the range of read antenna.