Huawei E3276 4G LTE Cat4 150Mbps USB Modem is the World's first LTE Cat4 Stick, and allows speeds of over 100 Mbit/s download - precisely 150 MBit/s on LTE FDD network. The FDD-LTE modem operates on the 800/900/1800/2100/2600MHz band with GSM and UMTS backward. The UMTS network can achieve up to 84 Mbps download speed due to DC-HSPA+ technology. There are many variants for HUAWEI E3276 Cat 4 LTE Surfstick, such as HUAWEI E3276s-150, HUAWEI E3276s-151, HUAWEI E3276s-152, HUAWEI E3276s-210, HUAWEI E3276s-500, HUAWEI E3276s-601 and HUAWEI E3276s-920 etc..
Below is the 4G LTE Sprctrum & Frequency band that HUAWEI E3276 could support by its variants:
HUAWEI E3276s-152:
* 4G LTE FDD 800/2600MHz
* 3G UMTS 900/1900/2100MHz
* GSM 850/900/1800/1900MHz
HUAWEI E3276s-151:
* 4G LTE FDD (DD800/1700/1800/2600MHz)
* 3G UMTS 900/1900/2100MHz
* GSM 850/900/1800/1900MHz
Huawei E3276s-150(Vodafone K5007 and Megafon M150-1):
* 4G LTE FDD (DD800/900/1800/2100/2600MHz)
* 3G UMTS 900/1900/2100MHz
* GSM 850/900/1800/1900MHz
HUAWEI E3276s-861:
* 4G LTE FDD 2600MHz TDD 1900/2300/2600MHz
* 3G UMTS 900/2100MHz & TD-SCDMA 1900/2100MHz
* GSM 850/900/1800/1900MHz
HUAWEI E3276s-210: Band 3/7/20/38 (FDD 800/1800/2600 TDD 2600MHz)
Huawei E3276s-601: Band 3/7/40 (FDD 1800/2600MHz & TDD 2300MHz)
Huawei E3276s-920:
* 4G Band 38/40 (TDD 2300/2600MHz)
* 3G DC-HSPA+ 900/2100MHz
* GSM 850/900/1800/1900MHz
HUAWEI E3276s-500:
* Band 2/4/5/7 FDD 1900/AWS(1700/2100)/850/2600Mhz
* 3G DC-HSPA+ 850/1900/2100MHz
* GSM 850/900/1800/1900MHz
HUAWEI E3276s-503
HUAWEI E3276s-505