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13/03/2013

What’s the Difference Between HUAWEI E3272 and E3276?

At the MWC, we saw the new 4G LTE cat4 USB Stick Huawei E3272. At the first glance of the LTE cat4 modem, it reminds us the Huawei E3276, the world's first LTE cat4 4G Surfstick. Since they both support 4G LTE cat4, here comes a question: what's the difference between them?  

 

Huawei E3276 is an elder model which was released at the beginning of 2012. Here now, there are various sub-models available for many operators. The model Huawei E3276s-151 is the most popular model. Huawei E3272 comes out on MWC 2013.      

 

The first difference between Huawei E3276 and E3272 is chipset platform, Huawei researched how own brand chipset Hisilicon, before that, Huawei always use Qualcomm 4G chipset, which arise the cost of Huawei 4G modems. Now with Huawei chipset, we suppose the price of its 4G modem would be much cheaper than before and acceptable for most users.

 

As the same feature of Huawei E3276, Huawei E3272 also supports 4G FDD and TDD networks. In the sub-models, they may support only TDD or FDD network, or together. Under TDD network, the peak download speed up to 112Mbps while upload peak speed is 10Mbps. With FDD network, the speed may reach 150Mbps for downlink and 50Mbps for uplink. The difference lies on the 2G network.        

 

Huawei E3272 could not only support TDD/FDD/UMTS/GSM/GPRS, it could also support the American standard EVDO. So Huawei E3272 would be most likely to be available for American operators.

In addition to the appearance, Huawei E3272 LTE cat4 USB modem has a unique feature: HiLink technology. In Huawei 3G USB stick, this technology has been commonly used. It's a user friendly system for modem application. No Driver installation, after the modem plug to PC, it would automatically connects in 15 seconds. Huawei use this technology in 4G USB modems, which makes Huawei E3272 more attractive, especially for the users who are bored about setup or configure the parameter. With simple operation, Huawei E3272 would response quick and get connected. Huawei E3272 should be the first 4G dongle with HiLink technology.  

 

In conclusion, Huawei E3272 improves many functions and should performance much better than Huawei E3276. But whether Huawei chipset Hisilicon would be reliable, time will tell.

09/03/2013

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.  

27/02/2013

ZTE MF880 and MF820T 4G LTE TDD USB Modem

As one of the most important 4G vendors, ZTE has released many 4G LTE modems. ZTE MF820T and MF880 are two of the popular TDD models.  

 

Just like other 4G LTE modems from ZTE, ZTE MF880 and MF820T followed the same design as ZTE MF820 4G LTE FDD Surf stick. The modem body is a little bit larger than usual 3G USB stick. And taking them in hand, users can feel the weight is more than 3G modems.

 

   

 

What is a pity that both ZTE MF820T and MF880 don't have the connectors for external antenna. Perhaps at the big inning when engineer designed the mode, they didn't take this factor into their blueprint. As we can see, in the serials of ZTE MF820D, MF821, MF821D, MF820S2, MF820T, MF880, they all incorporates no antenna ports. As the key features of MIMO connection, we are afraid it may not be as good as the modems with MIMO antenna for data transmission.

    

 

ZTE MF820T and MF880 both work for 4G LTE TDD network, perhaps due to for different providers, they support different TDD frequency bands as below:    

 

ZTE MF820T 4G LTE TDD Single Mode USB Modem:

* Single mode LTE TDD 2300/2600MHz  

 

ZTE MF880 4G FDD TDD USB Modem:

* FDD 800/2600MHz

* TDD 2300/2600MHz

* DC-HSPA+/HSPA+/HSPA/UMTS 2100/900MHz

* EDGE/GPRS/GSM 850/900/1800/1900MHz

   

This should the key difference between ZTE MF820T and MF880. Per current information, ZTE MF880 had need presented to public under provider "3" from UK. And ZTE MF820T should be for China Mobile. What should focus is that ZTE MF880 could also support FDD LTE band 800/2600MHz. It means MF880 could switch between FDD and TDD networks, so ZTE MF880 is somewhat like a enhanced ZTE MF820T.      

 

Regarding the data transmission speed, they both support download speed at 68Mbps and upload at 17Mbps under TDD –LTE network. ZTE MF880 seems more powerful because when working at FDD network, the peak speed could reach to 100Mbps for downlink while uplink could reach 50Mbps.  

 

In conclusion, ZTE MF880 seems more powerful than ZTE MF820T, so if you want to want buy ZTE 4G LTE TDD USB Modems, welcome to www.4gltemall.com