Zte MF833 is a 4G LTE 4 USB memory stick with a download speed of 150Mbps and upload speed of 50Mbps. Zte MF833 (or MF833T) supports lte-fdd/td-lte/UMTS/GSM network based on Qualcomm MDM9225 chipset. The zte MF833 LTE Stick can be configured through the Web UI. Zte MF833 Stick has an LED indicator which USES a 3FF SIM card and works with Windows 7, Windows 8, Windows XP, Vista and MAC OS.