Bus 004 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 003 Device 002: ID 0a5c:219c Broadcom Corp. 
Bus 003 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 002 Device 004: ID 174f:1410 Syntek 
Bus 002 Device 003: ID 0bda:0138 Realtek Semiconductor Corp. 
Bus 002 Device 002: ID 413c:8185 Dell Computer Corp. Gobi 2000 Wireless Modem (QDL mode)
Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub