TVU One TM930 High Definition (SDI/HDMI input, 3 embedded modems, up to 4 USB modem ports, Inverse Statmux+ (IS+) technology, on-board storage, dual band WiFi card, removable internal battery, AC power supply, and carrying case).
Now includes IS+. Not upgradable to add more embedded modems.
Purchasers must add software (Standard, Pro, or Enterprise). USB ports need to be enabled before use (note that Pro/Enterprise software enable 2/4 modems)