Technical Specification:

4G LTE FDD：800/900/1800/2100/2600Mhz

DC-HSPA+/HSPA/UMTS:900/1700(AWS)/1900/2100Mhz

EDGE/GPRS/GSM:850/900/1800/1900Mhz

LTE Cat4 DL at up to 150Mbps

LTE UL up to 50Mbps

E3276 specifications

Network bands:
* LTE FDD: 800/900/1800/2100/2600 Mhz
* UMTS: 2100/AWS/900/1900
* GSM: 850/900/1800/1900
* LTE Cat4 DL at up to 150Mbps
* LTE UL up to 50Mbps
* External Antenna Interface, Receive Diversity. 
* USB 2.0 High Speed
* SIM/USIM card: standard 6-pin SIM card interface
* Micro SD Card Slot
* Dimensions: 92mm x 32mm x 14mm
* Weight: 30g
* OS: Windows XP/Vista/7, Linux, Mac OS.