At high data rates, electrical shielding of {HEAD ~ the card} is necessary in order to prevent the loss of data or the influencing of {TAIL ~ the data} of a passive card by an adjacent active card 
At high data rates , electrical shielding of { HEAD ~ the card } is necessary in order to prevent the loss of data or the influencing of { TAIL ~ the data } of a passive card by an adjacent active card
OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH