Huawei has launched a new 4G LTE dongle, the EC3372. Currently its sub-model EC3372-871 is listed online at alibaba. You can deal with retailer for best prices.
According to the retailer, the Huawei EC3372-871 4G FDD TD-LTE Cat4 USB Dongle is built with Qualcomm MDM9625 chipset. IP v6 suppoted device supports TD-LTE Band 38 (2600MHz) and Band 41 (2.5G), FDD-LTE Band 1 (2100MHz) and Band 3 (1800MHz), EVDO: BC0 (800MHz) and UMTS: Band 1 (2100MHz) and Band 5 (850MHz) bands.
In 4G LTE mode, the Huawei EC3372-871 modem can provide highest download speed up to 150Mbps and upload speed limit is 50Mbps. DC-HSPA+ download limit is 42Mbps and upload limit is 5.76Mbps, HSPA+ DL 21Mbps/ UL 5.76Mbps and EVDO RevA: DL 3.1Mbps/ UL 1.8Mbps.
The EC3372-871 comes in white variant colours and is in form of USB. It supports Win 7, Windows XP, Vista, Win8 and Mac OS operating systems. It has a microSD card slot, that can be upgraded with up to 32Gb of memory card. The data-card measures 88 x 28 x 11.5 mm and weight is 50gm.