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