ZyXEL Omni 56K DUO ext. RS-232, USB (Retail)
Zyxel Omni 56K Ext.
Zyxel Omni 56K Int.
ZyXEL Omni 56K int. PCI Plus(Retail)
ZyXEL Omni 56K Mini ext. RS-232 (Retail)
ZyXEL Omni 56K NEO ext. RS-232 (Retail)
Zyxel Omni 56K Plus
Zyxel Omni 56K Pro
ZyXEL Omni 56K PRO V90 ext. AOH (Retail)
ZyXEL Omni 56K UNO ext. USB (Retail)