ECM TIME WITH SMARGO SMARTREADER+

I'm using card reader SMARGO SMARTREADER+ with card 919 sky italy. Actually with this configuration I obtain a average ecm time 0,400 sec. It's possible to reduce this time?

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Configuration:

LINUX Clark Connect 5 oscam-0.99.4.536svn-i686-pc-linux SMARGO SMARTREADER+ USB CARD 919 SKY IT

oscam.server [reader] Label = SkyItalia Protocol = Mouse Detect = CD Device = /dev/ttyUSB0 Customspeed = 1 mhz = 600 EMMCache = 1,1,2 Group = 1 Fallback = 0 CAID = 0919