Welchen Reader ist zu empfehlen ? intern oder extern ?

[global]
usrfile = /var/log/oscam/oscamuser.log
logfile = stdout
cwlogdir = /var/log/oscam/cw
clienttimeout = 9000
clientmaxidle = 99999
nice = -1
serialreadertimeout = 2000

[monitor]
port = 0
nocrypt =
aulow = 30
hideclient_to = 15
monlevel = 2
appendchaninfo = 0

[cccam]
port = 12000
reshare = 2
ignorereshare = 0
forward_origin_card = 0
version = 2.1.1
minimizecards = 0
keepconnected = 1
stealth = 0
reshare_mode = 0

[dvbapi]
enabled = 1
au = 1
boxtype = duckbox
user = local
pmt_mode = 0
request_mode = 0

[webif]
httpport = 83
httpuser = oscam
httppwd = oscam
httprefresh = 0
httpallowed = 192.168.0.0-192.168.255.255
httphideidleclients = 0
httpreadonly = 0
httpsavefullcfg = 0

[reader]
label = i12
enable = 1
protocol = internal
device = /dev/sci0
key = 0102030405060708091011121314
caid = 1722,1835
fix9993 = 0
boxkey = 1122334455667788
detect = cd
mhz = 600
cardmhz = 600
group = 1
emmcache = 1,1,2
lb_weight = 100


[reader]
label = um02
enable = 1
protocol = internal
device = /dev/sci1
key = 0102030405060708091011121314
caid = 1838
fix9993 = 0
rsakey = XXX
boxkey = XXX
detect = cd
mhz = 368
cardmhz = 368
group = 2
emmcache = 1,1,2
lb_weight = 100

[account]
user = local
pwd =
group = 1,2
betatunnel = 1835.FFFF:1722