― ZTE has released MF820S2 and MF91S, worlds first multi-standard USB modem and uFi. These modems support LTE FDD/LTE TDD/TD-SCDMA / EDGE networks. In short, these two are two LTE modems, on supporting FD-LTE standard while the other supporting TD-LTE standard. “This is a transformational year for ZTE’s terminal business. We are catalyzing LTE development on .