HUAWEI E8278 4G 150Mbps LTE Cat4 WiFi Dongle Review

Before we start today topic, there is a question here: do you know Huawei E355 Mobile WiFi modem? If you are familiar with Huawei E355, you would know that Huawei E355 is a special model which falls in between USB dongle and Mobile WiFi, because even though it looks like a USB dongle, it can work like a WiFi router. After plug Huawei E355 to PC or with power adapter, up to 5 users could get connected to it and surf Internet. The peak data transmission rate is 21Mbps.



Similarly, there are new WiFi dongles released from Huawei to support LTE cat4 150mbps download speed. In MWC 2013, Huawei Wingle E8278 LTE Cat4 WiFi dongle comes to our eyes. Huawei E8278 is the world’s first LTE cat4 WiFi dongle; it could support 4G LTE FDD and TDD network at 20MHz. The maximum download speed could reach 150mbps and upload speed could reach 50mbps under 4G FDD network; with TDD network, the downlink and uplink speed are 112Mbps and 10Mbps.



With better function than Huawei E355, Huawei E8278 could connect up to 10 WiFi users. From this point, Huawei E8278 is a 4G mobile pocket WiFi without battery. So if with a mobile power charger, Huawei E8278 would become a real LTE cat4 Mobile WiFi.



Different from Huawei E355, Huawei E8278 incorporates 2*2 MIMO, which would obviously improve the transmission speed. And there are two external antenna connectors. Besides the logo, there is indicators which telling the signal strength, message and WiFi status. The USB of HUAWEI E8278 is rotatable, the rotating USB could plug to a power adapter. After working with a power adapter, the HUAWEI E8278 would become a Mini mobile WiFi Hotspot, and the advantage is that the Wingle E8278 could keep working with the continuous power supply.



Except for SIM card slot, HUAWEI E8278 has a MicroSD card, the extended card capacity could reach 32GB. So the users connected with HUAWEI E8278 would share the files or documents in the SD card inserted in E8278.


As the leader of LTE technology, HUAWEI is always bring amazing gadgets and fantastic experience to the user through the mobile terminals. These are all based on the advanced technology.


Huawei E5331 3G 21Mbps Mobile WiFi Hotspot General Review

HUAWEI E5331 3G MobilePocket WiFi is the lastest most popular portable 3G hotspot from HUAWEI. Perhaps because its fashion design and good price, after released to market, HUAWEI E5331 mobile 3G router soon becomes the new star in HUAWEI E5 family.

HUAWEI E5331 3G 21Mbps Mobile WiFi Hotspot
HUAWEI E5331 3G 21Mbps Mobile WiFi Hotspot



HUAWEI E5331 Mobile WiFi supports 3G UMTS 900/2100Mhz, and it seems it’s more apt for European area. Different from HUAWEI E586 and E560, it support maximum 8 users to share the network. And the operation icon is more simple, just one button on the front. There is no LED screen display, just 4 indicators with the power button. Perhaps the LED screen save the cost of HUAWEI E5331 Pocket WiFi.

HUAWEI E5331 3G 21Mbps Mobile WiFi Hotspot
1 – Signal indicator
2 – Wi-Fi indicator
3 – Battery indicator
4 – SMS indicator
5 – Strap hole
6 – Power button
7 – USB port(Micro USB Type B)

Frankly speaking, HUAWEI E5331 is more powerful than HUAWEI E586, and price is much cheaper, we suppose it’s the chipset change. But we didn’t get any official information about this.

HUAWEI E5331 3G 21Mbps Mobile WiFi Hotspot
HUAWEI E5331 3G 21Mbps Mobile WiFi Hotspot

There is only one USB Slot at the side of E5331, which is to give power support to E5331. Below is the genera review of HUAWEI E5331 Pocket WiFi:

HUAWEI E5331 3G 21Mbps Mobile WiFi Hotspot
HUAWEI E5331 3G 21Mbps Mobile WiFi Hotspot

Highlights & Details

  1. With up to 8 Wi-Fi enabled devices (and 1 device via USB 2.0) simultaneously to the Internet
  2. Internet-/Intranetzugang mobile with up to 21.6 Mbit / s
  3. Plug and Play Software Installation
  4. For Windows ® XP (SP2 or later), Windows ® Vista SP2 (32/64), Windows ® 7 (32/64), Mac ® OS 10.5 or later, Linux Kernel2.6.18or later
  5. MAC filtering, HTTP file sharing, DMZ, port forwarding and VPN
  6. Lithium-polymer battery, 1500 mAh for 280h standby or 6 hours of use
  7. SMS send and receive
  8. LED display for battery level, network signal, wireless status and SMS
  9. Controlled and configured via free “HUAWEI Mobile WiFi” app for Android ™ and iOS
  10. Free for all SIM cards
HUAWEI E5331 3G 21Mbps Mobile WiFi Hotspot
HUAWEI E5331 3G 21Mbps Mobile WiFi Hotspot


With the mobile hotspot, your UMTS / HSPA connection for up to 8 Wi-Fi enabled devices by pressing a button can be achieved.



  • HSDPA: Max. 21.6 Mbit / s (download)
  • HSUPA max. 5.76 Mbit / s (upload)
  • 2G (GSM) frequencies 850/900/1800/1900 MHz (Quad-band)
  • 3G (UMTS) frequencies 900/2100 MHz (Dual Band)
  • WLAN 802.11 b / g / n (WEP/WPA-PSK/WPA2-AES).


  • Huawei E5331
  • USB cable
  • Quick Guide
HUAWEI E5331 3G 21Mbps Mobile WiFi Hotspot
HUAWEI E5331 3G 21Mbps Mobile WiFi Hotspot

System Requirements

  • Windows XP SP2
  • WindowsVistaSP2 (32/64)
  • Windows 7 (32/64)
  • Mac OS X 10.5 or later
  • Kernel2.6.18or later

With HUAWEI E5331 Pocket WiFi Router, HUAWEI also released HUAWEI E355 Mobile 3G WiFi modem router which has the same functions as E5331. The main difference between E5331 and E355 is that E5331 has rechargeable battery but E355 needs external power input to keep it working. And for most of time, they could replace each other.


Huawei E355 3G HSPA+ Mobile WiFi Modem Router Specifications and Review

HUAWEI E355 3G Mobile WiFi modem is the revolution 3G USB Modem form HUAWEI because it looks like a USB Modem, but it could work as a USB modem and a WiFi router when there is power supply.

HUAWEI E355 3G WiFi modem router
HUAWEI E355 3g WiFi modem router

HUAWEI E355 3G WiFi modem router supports up to 5 users to access internet at the same time. Unlike the shape of 3G wifi router, it’s very slim, just like a flash card. So it’s popularly used in card, bus or other vehicles. When it plugs to PC, it works a USB and Router. If there is a power bank to give continuous supply, it could work independently as a mobile 3G Router. The maximum speed is up to 21Mbps, which is much faster than usually 3G USB Modems.

HUAWEI E355 WiFi modem router
HUAWEI E355 WiFi modem router

Below is the general specification and review for this modem:



USB Flash Drive with hotspot feature in addition to the laptop to connect to even more devices to the Internet via WLAN.

HUAWEI E355 WiFi modem router
HUAWEI E355 WiFi modem router

Highlights & Details

* Data transfer up to 21.6 Mb/s

* Plus Plug and Play installation for Windows and Mac OS X works with any Wi-Fi enabled device

* Micro SDHC card slot for up to 32 GB (for example, for file sharing in wireless)

* Free for all SIM cards

* External antenna connector (CRC-9)

* UMTS / HSPA + connection for up to 5 Wi-Fi enabled devices

* Permanent access – requires only USB power

HUAWEI E355 WiFi modem router
HUAWEI E355 WiFi modem router



* HSDPA max. 21.6 Mbit/s (download)

* HSUPA max. 5.76 Mbit/s (upload)

* WLAN 802.11 b / g / n (WPA/WPA2, TKIP / AES).

We noted that ZTE MF70 3G Wireless USB modem is also like HUAWEI E355 WiFi modem with the same functions, but it’s looks like that HUAWEI E355 is more cool. We will compare the two WiFi modem later.