SUBSYSTEMS=="usb", DRIVERS=="option", ATTRS{bInterfaceNumber}=="00", ENV{ID_CLASS}="modem"
SUBSYSTEMS=="usb-serial", DRIVERS=="option1", ENV{ID_CLASS}=="modem", SYMLINK+="HSDPA", RUN+="/sbin/modprobe ppp_async", RUN+="/sbin/ifup Huawei_E2x0"