HSDPA Siera 875 T-Mobile works!!!

/etc/ppp/peers/hsdpa

hide-password
noauth
connect "/usr/sbin/chat -v -f /etc/chatscripts/hsdpa"
debug
/dev/ttyUSB0
921600
defaultroute
noipdefault
remotename hsdpa
ipparam hsdpa

usepeerdns
noauth

/etc/chatscripts/hsdpa

ABORT BUSY ABORT 'NO CARRIER' ABORT VOICE ABORT 'NO DIALTONE' ABORT 'NO DIAL TONE' ABORT 'NO ANSWER' ABORT DELAYED
'' ATZ OK 'ATQ0 V1 E1 S0=0 &C1 &D2 +FCLASS=0' OK 'AT+CGDCONT=1,"IP","internet"
OK-AT-OK "ATDT*99#"
CONNECT

'' \d\c