Huawei E397 4G LTE FDD TDD USB Stick is the latest LTE-capable 4G LTE USB Surf stick at only 15.5mm thick. It's the MTS's first LTE USB modem, which supports 4G LTE band at 700/1700/2100 MHz. And the operator Telus also released this modem to commerce. The specification means unlocked HUAWEI E397 4G USB Dongle could also be used in Japan, United states and other providers worldwide who deployed the 4G network at 700/1700/2100 MHz. To meet specific 4G network band, HUAWEI E397 4G USB modem has many branch models as variants, such as HUAWEI E397u-56, E397Bu-7, E397Bu-501, E397u-53 etc..They incorporates different configuration to support multiples 4G LTE FDD or TDD frequency Bands.

Per our information, there is a big family of HUAWEI E397 4G Modem, in this family, there is E397u-56, E397Bu-7, E397Bu-501, E397u-53 and there is other member which we don't know the accurate model nuber. Below is their 4G LTE frequencies for share:

HUAWEI E397u-56:

* 4G LTE FDD   (B4) 2100 mhz

* 3G UMTS    (B1/B2)  2100/1900 Mhz

* 2G GSM/GPRS/EDGE  850/900/1800/1900 Mhz

HUAWEI E397Bu-7:

* 4G LTE FDD   Band 3 (1800 MHz)/ Band 1 (2100Mhz)

* 3G UMTS/HSPA+/HSDPA/HSUPA     2100/1700/850/800 Mhz

* 2G GSM/GPRS/EDGE   850/900/1800/1900 Mhz

HUAWEI E397Bu-501:

* 4G LTE FDD  Band 4(1700/2100Mhz) and Band 17 (700MHz)

* 3G UMTS    (B1/B5)   850/2100Mhz

* 2G GSM/GPRS/EDGE   850/900/1800/1900 Mhz

HUAWEI E397u-53:

* 4G LTE FDD  Band 2 (1900 MHz), Band 4 (1700/2100 MHz)

* 3G CDMA    800/1900 Mhz & EVDO BC1 & BC15 (1900MHz & AWS)

HUAWEI E397Bu-502 (UML397):

* 4G LTE FDD  Band 12 (700 MHz), Band 5 (850 MHz)

* 3G CDMA    800/1900 Mhz & EVDO BC1 & BC15 (1900MHz & AWS)

So before you purchase, please confirm the right one which will work with your local 4G LTE network. 

Similarly, you could take Sierra 313U Wireless Aircard into consideration, it supports almost the same LTE frequency as E397. They have different brands, one from Sierra Wireless and the other from HUAWEI. Actually, HUAWEI E398 and E392 is also the same serial LTE models available on 4GLTEmall.com .

Huawei E397 Specifications:

* Chipset: Qualcomm MDM9200

* Style: USB Internet Express Stick

* Network: 4G LTE

* Frequency LTE: 700/1700/2100 MHz

* HSPA: 850/1900/2100MHz

* GSM: 850/900/1800/1900MHz

* Weight:60g

* Dimensions:93 x 35.5 x 15mm

* Colour: Black

* One External antenna connector (Buy E397 Antenna )

Key Features:

* Up to 75Mbps download speed on LTE with HSPA+ fallback
* Seamless hand-off to DC-HSPA+ /HSPA+ network outside LTE coverage zone, get faster speeds in more places
* Plug and play with Huawei Connection Manager
* 2D rotating USB connector to fit most USB slots
* Store and transfer large files via a microSD™ 32 GBs capacity external memory slot
* Windows XP/Vista/7 and MAC OS compatible

Actually, perhaps you  would like other shapes,  colors, similar like the configuration of Vodafone K5005, there are many LTE sticks in 4GLTEmall.com that could replace it, such as ZTE MF820, ZTE AL620, AL621, AL600, HUAWEI E392 LTE Modem.