Category: 4G LTE USB Modem

Unlocked ZTE MF821D 4G LTE Stick for O2

O2 offers the mobile use of LTE service since July 2012. The USB memory stick comes from the Chinese manufacturer ZTE, which also has various other versions for LTE in the range of products, such as LTE routers. The ZTE MF821D 4G stick is available for O2 4G LTE network and supports all cellular standards that are common in Germany. In the following table, you will find all the key figures, specifications of the O2 4G USB MF821D.

 

 

Features and Specifications of  ZTE MF821D for O2
Manufacturer and type designation ZTE MF821D
Download Speed 100 Mbit/s
Upload Speed 50 Mbit/s
Supported LTE bands LTE Band 3/7/20 (800/1800/2600MHz)
backward compatible with: DC-HSPA+, HSUPA, HSDPA, UMTS, EDGE, GPRS
MIMO Support: MIMO 2×2
Connector for external antenna yes, 2 antenna (TS-9 jacks)
LTE category: LTE Category 3 (3GPP Release 8) modem
Chipset Qualcomm MDM9200TM
Other
Dimensions 87.3 mm x 29.5 mm x 14 mm
USB standard USB 2.0
Memory card expansion Yes, MicroSD up to 32 GB
Compatible Operating Systems Windows XP, Windows Vista, Windows 7, Mac OS (10.4)
Manual or Quick Start Guide (PDF)  ZTE MF821D User Manual

 

With the ZTE MF821D, you receive a flexible surf stick that supports both LTE and all other major mobile communication standards, such as UMTS and HSPA+. O2 4G USB is therefore compatible with 2G, 3G and 4G networks. LTE can be received via the usual bands 3/7/20 (800/1800MHz/2600MHz). O2 uses LTE 800MHz for priority; the 4G network of LTE Band 7 (2600MHz) will be available in the cities in near future. The theoretical maximum download speed of 100Mbit/s and 50 Mbps upstream speed could be achieved. Currently, however, O2 offers “only” tariffs of up to 50 Mbps.

 

 

 

 

ZTE MF821D can work as the same as the data stick. The internal slot can hold MicroSD card up to 32 gigabytes. You can buy them from 4gltemall.com with the stick MF821D. The stick MF821D is perfect for mobile use on a laptop or notebook, and of course it can also be used at home on the desktop. It’s advisable that under certain circumstances, the data transmission rates vary depending on the local reception conditions. According to ZTE introduction, the MF821D stick is compatible with the Windows operating system with XP, ServicePack3, Vista SP2 or Windows 7, and Mac OS Version 10.5 is also supported.

 

At just 47 grams and the dimensions of 87.3 × 29.5 × 14 mm, you will hardly notice the MF821D in your pocket. The actual USB plug can be incidentally folded and thus saves space and it can also facilitates the connection as a “arm” for the laptop. Currently the stick is at O2 only in connection with an LTE tariff available. If you like this stick, you can buy unlocked ZTE MF821D from 4gltemall.com in good price.

And there is HUAWEI E392u-12 4G LTE Stick which could also work with the same 4G frequency bands for O2 and other 4G operators in Europe.

 

 

 

Telekom Speedstick LTE Stick II – Alcatel One Touch L100V

The Telekom Speed Stick II LTE is available since December 2012, and Speed Stick LTE(HUAWEI E398) is still available. The Speed stick II is made by the Chinese manufacturer TCT Mobile, in Germany, the model number is also available under the name Alcatel One Touch L100V. Below you will find all the features and specifications about the Alcatel One touch L100V.

 

 

Features and characteristics of Speed Stick II LTE
Manufacturer and Model Number TCT Mobile (Alcatel) One Touch L100 V
Download Speed 100 Mbit/s
Upload Speed 50 Mbit/s
Supported LTE bands LTE Band 1/3/7/8/20 (800/900/1800/2100/2600MHz)
backward compatible with: DC-HSPA+, UMTS, GSM frequencies (850, 900, 1800 and 1900 MHz)
MIMO Support: MIMO 2×2
Connector for external antenna No!
LTE category: LTE Category 3 (3GPP Release 8) modem
Chipset Qualcomm MDM9200
Other
Dimensions (LxWxH) 95 mm x 34 mm x 14 mm, 35 grams
USB standard USB 2.0
Memory card expansion Yes, MicroSD up to 32 GB
Compatible Operating Systems Windows XP, Windows Vista, Windows 7, Mac OS (10.4)
Manual PDF unfortunately not yet available online

 

The Telecom Speed Stick II LTE supports LTE to a total of five frequencies, including the three major band 3/7/20 (800/1800/2600MHz) for Germany. The download speeds can reach to 100 Mbit/s, while the upload up to 50 megabits is possible. When 4G LTE network is not available, Speed stick II LTE can automatically switch to the UMTS and GSM network. On UMTS network, the speed of up to 42.2 Mbit/s can be achieved with the mobile network with the data accelerator DC-HSPA+ is equipped.

 

Compared to the first Speed Stick LTE, the latest version seems to be much cheaper, but perhaps it’s because it’s unfortunately somewhat less well-equipped. In contrast to the Telekom Speed Stick I, Speedstick II LTE missed the connector for an external antenna. But that’s not the only difference: even the USB port is rotatable when LTE Speed Stick II LTE cannot. The workmanship is not as high as the HUAWEI E398 manufactured by Huawei. The common feature is that both them can be upgraded with a MicroSD memory card to the memory stick.

 

 

The idea to use the Speed Stick II LTE is only worthwhile if you currently still has no LTE stick. The device offers all important functions and is a good introduction to the fourth generation of mobile communications. If you want to have a slightly higher quality model or connectors for external antennas, it is better to consider Speed Stick LTE without the “II”, that is HUAWEI E398u-15.

 

Unlocked Speedstick LTE III for Telekom – HUAWEI E3276

Speed Stick LTE III is available at Gemany carrier Telekom since May 2013, and replaced the first version of “Speed Stick LTE “, which is already well-known in 4G users. The Speed Stick in version 3 is prepared for download speeds up to 150 Mbit/s and thus very future-proof. Speedstick LTE III is a LTE Category 4 USB Stick. Same as Speed Stick LTE, it ‘s also from the manufacturer HUAWEI, and It also provides connections for external antennas and the possibility to insert a memory card and thus to use the surf stick simultaneously as memory stick. Below are the features, specifications and general review for this 4G Stick.

 

 

 

LTE features and characteristics of the Speed Stick III LTE
Manufacturer and type designation Hauwei E3276
Download Speed 150 Mbit/s
Upload Speed 50 Mbit/s
Supported LTE bands LTE Band 1/3/7/8/20 (800/900/1800/2100/2600MHZ)
Backward compatible with: DC-HSPA+, UMTS, GSM frequencies (850, 900, 1800 and 1900 MHz)
MIMO Support: MIMO 2×2
Connector for external antenna yes, 2 antenna sockets (type CRC-9)
LTE category: LTE Category 4  Modem(3GPP Release 9)
Chipset HiSilicon Hi6920
Other
Dimensions (LxWxH) 92 mm x 32 mm x 14 mm, 30 grams
USB standard USB 2.0
Memory card expansion Yes, MicroSD up to 32 GB
Compatible Operating Systems Windows XP, Windows Vista, Windows 7, Windows 8, Mac OS (10.6)
Data Overview E3276 Review

 

 

Highlight feature: LTE Category 4

 

 

The German Telekom advertises LTE Speed Stick III, which could actually possibly reach download speed even up to 150 Mbit/s (LTE Category 4). To fulfill this down sream, the LTE network of Telekom must also be upgraded accordingly, but so far it has not happened yet. In Germany, you have to surf at around 100 Mbit/s downstream and 50 Mbit/s upstream, while in many other European or Asian countries, higher speeds are possible. For example, the Swisscom LTE in 2013 with the increased data rate offers since the end of May in Switzerland. For use in other countries, the unlocked Speed Stick III is already very well suited Via LTE frequency bands to support 800/900/1800/2100/2600 and UMTS bands around 850/900/1900/2100 MHz. The Speedstick III is from HUAWEI E3276 USB Stick, and there are many variants for E3276, they are born to support various LTE frequency bands worldwide for all the operators.

 

 

Backward compatible with UMTS and GSM

 

Of course, the Speed Stick III, like its predecessors, will be backward compatible with the UMTS and GSM network available. In 2G GSM/EDGE, network speed up to 236 kbit/s is possible while on the 3G UMTS/DC-HSPA+ network, the download speed could reach even up to 42.2 Mbit/s. As a user, you are not absolutely dependent on LTE to surf quickly. The switch between the different network technologies should be barely noticeable under normal circumstances; it is depending on the radio coverage, on the train or in the car.

 

 

 

Simple software for use with all simcards

The software that runs on Windows computers as well as on the Mac OS X operating system that allows a very easy use. With Telekom simcards, no further configuration is necessary. Simply enter the PIN number and the connection is made. If with sim cards from other network operators, to enter a new connection profile in the settings is needed. What’s more, users can also send and receive SMS and view statistics on data consumption and time online. These statistics can be broken down by day or month.

 

 

 

Price and Availability

Telekom LTE Speed Stick III is available on the online store of 4gltemall.com . Theoretically, we had made several tests in Hong Kong for the data rate speed. And it’s one of the best and fastest 4G LTE Surfstick available. If you prefer unbranded Speedstick, that it HUAWEI E3276, or want other variant models, welcome to contact sales@4gltemall.com .

 

Telekom Speedstick LTE – HUAWEI E398u-15

Huawei E398u-15 is the right stick for mobile LTE service of Germany carrier Telekom and it’s also called “Speed Stick LTE “. The LTE Stick E398u-15 is extremely attractive and offers many nice features and is also compatible with the major standards for wireless internet. Below you will find all the key features and general overview for the Speedstick LTE E398u-15.

 

 

LTE features and characteristics of the Speed Stick LTE for Telekom
Manufacturer and type designation Huawei E398u-15
Download speed 100 Mbit/s
Upload speed 50 Mbit/s
Supported LTE bands LTE 800MHz, LTE1800MHz , LTE 2600MHz
Backward compatible with: HSPA+, HSPA, UMTS, EDGE, GPRS
MIMO Support: MIMO 2×2
Connector for external antenna yes
LTE category: LTE Category 3 (3GPP Release 8) modem
Other
Dimensions
USB standard USB 2.0
Memory card expansion Yes, microSD up to 32GB
Compatible Operating Systems Windows XP, Windows Vista, Windows 7, Mac OS, Linux
Information material Data Sheet (PDF)

 

LTE is rolled out by Germany Telekom for two years. The first was in the city of Cologne in July 2011. In 2012, the 4G network plans are to go over 200 cities. On the body of the LTE Stick, there is the logo of Telekom. On the back is the exact name E398u-15, this is the second Revision of HUAWEI E398.

 

 

Compared to its predecessor, the stick is now finally LTE800 compatible. Therefore, users can surf via LTE in rural areas. Also, the LTE bands 2.6GHz and 1.8 GHz are supported. Speed Stick is the ideal USB datacard not only for urban use. With two integrated antennas (MIMO 2 × 2) and the support of up to 20 MHz bandwidth, the E398 can support up to 100 Mbps downstream and up to 50 Mbps upstream.

 

 

A clear advantage over the Samsung GT-B3740 is the excellent backward compatibility with 3G DC-HSPA+/UMTS and 2G GPRS/GSM. If the 4G LTE network is not available, the stick can easily switch to the next available technology. There is a microSD slot that can be up to 32 GB for storage. Then the Surfstick could turn to a USB memory stick, for example for storing music, photos or other documents. The Speedstick LTE has two connectors for external antennsa. In areas of poor reception, the signal can be improved with the external antenna. According to the data sheet from Telekom, the device E398u-15 supports multi-mode network of mobile technology automatically. By the way, the firmware update function is also available in the mobile partner.

 

What’s more, the USB is rotatable for 270 degree, user can modify the USB angle to better fit for the computers.

 

 

 

Conclusion:

 

We recommend that the terms on a new contract at Telekom. This is much cheaper than buying without a term contract on 4gltemall.com. If you don’t want a LTE stick with a contract, there is unlocked Speedstick LTE E398u-15, which could not only work with Telekom, it could also work with Vodafone and other 4G network providers in Europe and Asia.

HUAWEI E392 4G LTE Stick

The latest LTE stick E392 is from the Chinese manufacturer Huawei, as one of the most popular and best 4G modems, HUAWEI E392 is available for many operators worldwide. Based on reliable network compatibility, HUAWEI E392 is very good 4G Dongle for user. More about the strengths, key features and other relevant characters can be found below for E392 LTE Modem.

LTE features and characteristics of the HUAWEI E392
Manufacturer and type designation E392 (Huawei)
Download rate 100 Mbit/s
Upload rate 50 Mbit/s
Supported LTE bands LTE 800/900/1800/2100 and 2600MHz
backward compatible with: GPRS, EDGE, UMTS (2100/900 MHz),
DC-HSPA+ / HSPA+ and HSDPA, GSM frequencies 850/900/1800/1900MHz (Quad-band)
MIMO Support: MIMO 2×2
Connector for external antenna yes, 2 antenna connector( TS-9 is present)
LTE category: LTE Category 3 (3GPP Release 8) modem
Chipset MDM9200 Qualcomm
Other
Dimensions (LxWxH) (W x H x D) 14mm x 35mm x100mm and 40 grams
USB standard USB 2.0
Memory card expansion Yes, MicroSD up to 32 GB
Compatible Operating Systems Windows XP, Windows Vista, Windows 7, Mac OS (10.5)
Review E392 Review
Manual PDF unfortunately not yet available online

 

 

HUAWEI E392 Not available in Germany

 

So far, Huawei is the major vendor for LTE and had supplied the major LTE network operators in Germany. Previously, HUAWEI had supplied the Speed Stick LTE for Telekom, and the K5005 for Vodafone, they are from the factory modem named Huawei E398. HUAWEI E392 is actually not a typo, it’s a newer model with a lower number than the older model E398.  The original HUAWEI E392 4G Stick (without logo of Vodafone or Telekom) so far is not available in Germany. Users could get it from 4gltemall.com . The compact USB stick is also LTE Category 3 USB Stick and could completely replace HUAWEI E398.

 

 

 

The stick E392 supports casually pretty much everything that is common to worldwide radio standards. In LTE (4G), E392 stick supports the frequency bands 800, 900, 1800, 2100 and 2600 MHz. Here, in Germany rather LTE800, 1800 and 2600 are relevant. So the HUAWEI E392 could work with other European countries 4G networks. Also the 3G spectrum is almost completely covered. The E392 supports UMTS at 900,1900 and 2100 MHz in the standard DC-HSPA+/ HSPA+/ HSDPA and HSUPA. In the 2G networks users can access in the bands GSM 850/900/1800/1900MHz (Quad-band).
Based on the LTE technology, the E392 could transmit data with both FDD and TDD. These are two different duplex methods. For FDD (frequency division duplex), which is common in Germany, there are 2 separate frequency bands to use to send and receive data simultaneously. For TDD (time division duplex), the sending and receiving transmitted on the same frequency band, but slightly delayed. FDD is to be found mainly in Asia. E-Plus also experimented with the technology, and this could perhaps bring in the future for use in Germany.

 

 

Anyone who uses a mobile LTE deal can theoretically explore the full power of the stick. This is a 100 Mbps stick for the download and it can be transmitted with a maximum of 50 Mbps. The HUAWEI E392 has provided two slots (MIMO) for connecting an external antenna. This often brings significant advantages in weak reception areas. The expandability via microSD card (up to 32GB) is now practically available. At just 40 grams of weight is also quite easy to take in hand or pocket.

 

 

Conclusion

 

The Huawei E392 is the perfect travel companion based on the huge range of supported standards. Those who usually travel the world will never be disappointed.

Vodafone K5150 HUAWEI 4G LTE Stick Review

Vodafone K5150 LTE stick produced by Huawei will come soon also in Germany on the market for Vodafone. In this article, we will write a few words about the technical details and introduce you to know more about this LTE surf stick. The HUAWEI K5150 is the direct successor of the popular Vodafone K5005(Huawei E398) and is technically on the absolute amount of time: With support for LTE Category 4, up to 150 megabits per second for downstream and up to 50 Mbit/s for upload speed are possible.

 

 

HiSilicon Chipset and Frequency Bands


The Chinese manufacturer Huawei has almost exclusively a modem chipset of its own subsidiary HiSilicon for some months. No wonder the Hi6920, the company has one of the most powerful modem ever on the market – even the top chipset supplier Qualcomm, its LTE Category 4 can currently offer only his smartphone chipset MSM8974 (Snapdragon 800). As it is not surprising that the Vodafone K5150 has such HiSilicon Balong integrated 710/ Hi6920 chipset.


Based on this chipset, the Maximum LTE speed for download is at 150 Mbit/s, when working in the UMTS network, the speed via DC-HSPA+ is up to 42.2 Mbit/s. By the way, the K5150 LTE supports 800/1800/2100/2600 MHz frequency bands, and K5150 supports 3G UMTS bands on 900/2100 MHz. In addition, the HUAWEI K5150 is of course 2G EDGE and GSM backward as a fallback on board again.

 

 

 

Vodafone Design and Software


Vodafone K5150 is made entirely of plastic, on the back it’s in shiny red and on the front painted in white. The USB port cannot fold, which means that the K5150 is certainly inconvenient for some users, especially since the Huawei E3276 is a technically equivalent model on the market; the rotatable USB is an attractive and user-friendly feature.
Not only the hardware, the software is also fully maintained in the Vodafone-design and therefore especially suitable for use with Vodafone SIM cards. A preliminary field test in the coming weeks will be able to say more about what handling and user friendliness of the software. As a mature LTE modem, the software for the Vodafone K5150 is naturally functional on all major operating systems such as Windows 7, Windows 8 and Mac OS X.

 

Other Features
The other technical data correspond to those expected of a current LTE Surfstick for the high-end class: an LED on the top shows in different colors the respective operating mode. There is also a slot for MicroSD memory cards to 32 gigabytes. Also two connectors for external antenna type TS-9 are on board. One port is located under the cover of the memory card slot, the other terminal has a separate cover. When using the LTE network, the connection of two antennas and a MIMO antenna is recommended due to the MIMO antenna technology would improve the connection speed.

 

 

Price and release date

 
The Vodafone K5150 should be available in the next few days in the Vodafone online shop and at other online retailers such as www.4gltemall.com .  As an alternative, the technically equivalent Huawei E3276 offers even same specifications; the model number is E3276s-151. So if you like HUAWEI Brand, you could take E3276 into consideration for Vodafone 4G networks.

 

 

Unlocked Telstra USB 4G (ZTE MF821) 4G USB Modem Review

Today, we get a new 4G LTE USB datacard, the 4G aircard model number is ZTE MF821. The 4G modem is packed well in a box, there is the operator’s logo “Telstra USB 4G” on the front box, and the information is telling user this 4G USB modem. The ZTE MF821 is already unlocked by our group, so users don’t need worry about the lock issue.

 

 

At the side of the box, we can see that LTE Frequency bands that ZTE MF821 could work with. The specification indicates MF821 could support FDD LTE 1800/2600Mhz, but per our information from the manufacturer ZTE, the modem MF821 4G aircard could support band 1, band 3 and band 7(1800/2100/2600MHz), we suppose this band is not activated because the operator Telstra is not providing the LTE band 1 (2100MHz).

 

 

 

And the 3G DC-HSPA+ Tri-band (850/1900/2100) is backward compatible. Under the 4G LTE network, user could enjoy high speed up to 10Mbps. Even on 3G network, ZTE MF821 could reach speed to 42Mbps.

 

 

 

Open the package, we can see the 4G dongle ZTE MF821. There is a logo of “4G” and “T”, which means Telstra 4G. On the side, we can see two small icon of signal; they are two hidden connectors for external antennas. This feature is important for 4G data transmission, and it lets MF821 different from MF820 or MF820T. On the other side, there is no slot.

 

 

 

The USB of ZTE MF821 is rotatable for 180 degree, user could hide the USB in the body of MF821. User need open the back over and find the SIM card slot. On the SIM slot, we can see the model number, IMEI number, place of origin (Made in China) and manufacturer ZTE Corporation. And close to the SIM card slot, there is a slot for MicroSD memory card. The MF821 could support maximum 32GB SD memory card.

 

 

 

Comparing with other ZTE 4G Aircard, such MF880 or MF820D, ZTE MF821 is really very slim, the size of MF821 is as big as a 3G datacard.  So if a user prefer a small size USB dongle, ZTE MF821 is a good option and without any contract. But before purchase, user should concern about the 4G frequency band  compatibility, if you want a 4G Aircard for FDD band 20 (800MHz) or TDD band 38 (2300MHz), or any other bands that are not same as MF821 supporting, you may need check other model and choose the right one. You can check here more 4G Aircard for various LTE frequency bands:   http://www.4gltemall.com/ue-by-spectrum.html

 

 

 

 

 

 

ZTE MF820T TD-LTE Modem VS ZTE MF820D FDD-LTE Modem

Most of ZTE 4G modems looks the same, and the first generation of ZTE 4G Dongles are all using same appearance design, so it becomes much harder to identify them. No wonder what the difference between them is. We open the blog especially for clear out the similar 4G devices and let users know more about the details of the LTE modems they had used.

 

 

ZTE MF820T and ZTE MF820D are two similar 4G LTE sticks for first generation ZTE 4G USB modems. Most of the modems, appearance similar or not, their difference are mainly on the core part, that is the platform chipset, which decides what LTE frequency bands that could support and where they can be used.

 

ZTE MF820T is based on Qualcomm MDM9600 chipset, it could work TD-LTE bands 38 and band 40 (2300/2600MHz). ZTE MF820D is based on Qualcomm MDM9200 chipset, it would support FDD LTE band 3, 7 and 20 (800/1800/2600MHz). Unlike ZTE MF880, they can only work on single TD-LTE network or FDD network, MF880 would support LTE dual-mode (TDD&FDD).

 

 

As the typical features of ZTE first generation 4G USB stick, there is no external antenna connector in the dongle, so the LTE MIMO transmission can’t make true. But there is built-in antenna which is still reliable to connect network in high speed.

 

What’s more, there is no MicroSD card slot available in MF820T and MF820D. We suppose they are not for single user, it’s more like designed for large data in project test or other research terms. However, the 4G aircard may be more reliable when there is no SD card sharing function. According to the experience in 3G modems, SD card usually causes the application of wireless dongle in trouble.

 

 

And we can see the big body of the 4G modem ZTE MF820D and MF820T is not user-friendly. It’s almost twice bigger than ZTE 3G modems. We hope there will be some smarter or slimmer models available in near future, and this will not only need the improvement in the design for inner part, but also the function more powerful.

 

How to Buy 4G Modem between Similar Models?

More and more people are choosing 4G modems as their preferred network in the plan. And more and more 4G dongles are available for various operators all over the world. Then here comes a problem: many customers feel confused by the models and especially two similar models. Customer don’t know what’s the difference, which make s them in trouble deciding which one to buy.

 

 

ZTE MF821 and MF821D are two similar 4G dongles. We will take the two 4G LTE modem as example to explain our topic today. Now if I list them in front of you and let you tell what the difference is. You maybe feel headache…don’t worry; if I were you, I also can’t tell anything, perhaps my answer is they are completely the same.  But actually, they are different, of course, not on the appearance.

 

The key differences for most of the 4G modems are the LTE frequency bands that they could support. Other features are almost the same and not influence the usage. ZTE MF821 could support 4G LTE band 1, band 3 and band 7 (1800/2100/2600MHz). But ZTE MF821D supports band 3, Band 7 and band 20(800/1800/2600MHz).

 

Even though some customer may concern about the connector for external 4G antenna, the network bands should be the first concern because it determines whether a 4G modem would work properly or not. And we could see this feature from the dongle body. The inner part, especially the technical specifications are invisible.

 

 

Getting to know the specification of the 4G LTE modem, user need check the operator’s network bands. If the bands are partially the same as the 4G USB dongle or 4G mobile hotspot, then the operators’ SIM card work with the Wireless devices.  But if you are using a USB modem that is not with contract plan, you must make sure the USB modems are SIM card unlocked.

 

 

Above should be the key matters that influence the usage of a 4G dongle/modem/surfstick/datacard.  If you want to know the details of a 4G USB Modem, welcome to check the list UEs by LTE Frequency bands: http://www.4gltemall.com/ue-by-spectrum.html

 

LTE Dual-mode 4G Modem-ZTE MF880 VS MF825

More and more operators are investing the TD-LTE technology so as to improve the spectrum application efficiency. It seems the TDD technology would become the mainstream for LTE network. But We could also see the dual-mode LTE, that is FDD & TD-LTE combination, is also become popular.

 

 

To make the LTE dual-mode network more efficiency, the UEs must also support FDD and TDD bands simultaneously, and they could auto switch between the two modes. We have found there are many USB dongles, mobile WiFi hotspots and LTE router available for such networks.

 

 

As one of the important vendor for 4G LTE equipments, ZTE had released many models that can support TD-LTE/FDD dual-mode networks. ZTE MF880 and MF825 are such 4G USB dongles.

 

 

 

ZTE MF880 is the first generation 4G modem from ZTE. One of the main features for them is they don’t have the connector for MIMO external antennas. The body of the 4G modem is a little bit bigger than 3G modems. As a 4G dual-mode LTE modem, ZTE MF880 could support 4G FDD band 20 & band 7(800/2600MHz), and TD-LTE band 38 & band 40 (2300/2600MHz). Band 7 and band 20 are two most popular spectrums in European countries and the two TDD bands are the most commonly deployed broadband worldwide, which make ZTE MF880 4G data card one of the most popular 4G dongles.

 

 

ZTE MF825 is the typical model for the second generation of ZTE 4G modems. Based optimization and improve in hardware and firmware, the ZTE is much slimmer then it’s predecessors. And it’s not as big as ZTE MF880, and to make the MIMO transmission come true, two external antenna connectors are available in MF825. Besides the TDD band 38 & 40(2300/2600MHz), ZTE MF825 supports more FDD bands, they are band 20, band 3, band 1 & band 7(800/1800/2100/2600MHz). From the specification, we could know if ZTE MF880 could work in any place, ZTE MF825 would fully replace it.

 

 

 

What’s more, the two 4G dongles ZTE MF880 and MF825 could also work on 3G UMTS/DC-HSPA+ networks (900/2100MHz) and 2G GAM/GPRS networks, and the peak download speed on 3G could reach 42Mbps. So if user is in a location where 4G network is not available, the two ZTE 4G modems would switch to 3G to fulfill the Internet access requirement.

 

 

Someone may ask, if ZTE MF825 could fully replace MF880, then why they both are presented from operators? It’s a good question, actually, the more powerful one device is, and the more expensive it is. ZTE MF825 is more powerful based on its great internal chipset, and it costs more. For some operators, it’s unnecessary for them to use a modem with high price when a cheaper one could meet the requirements. And for some operators, they didn’t provide some of the network spectrums that ZTE MF825 supports.

 

But for users who usually travel overseas or to different countries, it would be better to get ZTE MF825, because it would be more possible for the data card to compatible with the target operators when on a trip.

 

To conclude, the LTE dual-mode 4G modems provide better solution for users to access Internet and travel around. If you want more TD-LTE/FDD USB modem, welcome to visit www.4gltemall.com .