Name: E398 LTE/UMTS/GSM Modem/Networkcard
1505 und 1506 are the same hardware
the ID to work is 1506
e.g.
usb_modeswitch -v 12d1 -p 1505 -V 12d1 -P 1506 -M "55534243123456780000000000000011062000000100000000000000000000"
modprobe option vendor=0x12d1 product=0x1506
2011-07-15 16:23:54