Telstra Presents Netgear Nighthawk M2 5G Mobile WiFi Router

As the successor to the Nighthawk M1, Netgear presented a new 5G mobile router Nighthawk M2 for the Australian network carrier Telstra at CES 2019. The new mobile hotspot supports 4G LTE Category 20 and could provide faster speeds for surfing. The appearance of the new 5G mobile hotspot is very similar to the first 5G mobile router Netgear Nighthawk M5, which is available for the AT&T 5G networks in the USA.

The Nighthawk M2 is equipped with a Qualcomm Snapdragon X24 modem, and the theoretical data rates are 2Gbps for download and 316Mbps for upload. It’s possible to achieve 7 carrier aggregations for download and triple carrier aggregation for upload. The 4 × 4 MIMO antenna technology is supported on up to 5 carriers simultaneously. The 256QAM modulation is supported not only in the downlink but also in the uplink. Combining the mentioned technologies, the device reaches the mentioned 2 gigabits per second – but only if the mobile networks support these technologies as well.

Like the predecessor M1, Netgear M2 could also support maximum up to 20 wireless devices to access the internet. What’s more, the Nighthawk M2 has one RJ45 Ethernet port, one USB-C Port and one Type-A USB port. And two connectors for external antennas are available, but what’s the connector type is unknown yet. More details of the Netgear Nighthawk M2 is waiting for the official specs from Netgear or Telstra.

 

According to the Telstra news, the Nighthawk M2 is the world’s fastest 4G device on Australia’s fastest mobile network, and it’s said the M2 was already under test and it would be available in the market in early 2019. However, the price of Netgear Nighthawk M2 is not yet known, but we will keep updating the news.

 

 

 

Telit LM960 LTE-A Cat18 Module Review

Telit introduced the LTE-A Cat-18 module LM960, capable of supporting speeds up to 1.2 Gbit/s in the downlink and 150 Mbps in the uplink. Such speeds are necessary, for example, when streaming video from the scene in high resolution or for distributing the Internet in an emergency situation from a mobile platform.

The Telit LM960 module is assembled in a PCI Express Mini Card (mPCIe) format. Telit calls it the first Cat-18 mPCIe module. It will be purchased by FirstNet operator for use in various devices used by emergency workers, in particular, in mobile and portable wireless routers installed in ambulances and other special vehicles.

The LM960 module supports both in-band and in-band carrier aggregation (up to 5) to achieve 1.2 Gbit/s throughput in the downlink with a 4×4 Mimo mode and 256-QAM modulation (up to 5). 150 Gbit/s in the uplink). Telit’s product can also operate in up to 23 different LTE bands (16 LTE FDD and 7 LTE TDD bands) including Band 14 (700 MHz), used in the United States for public safety, as well as 3.5 GHz CBRS Citizen Band Radio Service) bands and LAA 5 GHz (LTE-License Assisted Access), the latter allowing to improve performance in particular buildings in addition to the “traditional” cellular service.

The Telit LTE Module also supports several satellite positioning technologies, including GPS. In addition to supporting band 14, the LM960 operates in all other frequency bands that FirstNet uses to provide connectivity to the systems used by the emergency services. The LM960 is capable of operating in a temperature range of -40 ° C to + 85 ° C and also incorporates a four-constellation geolocation satellite subsystem (GNSS) and two SIM cards.

 

Telit LM960 Specs and Features

The LM960 module is based on the Qualcomm Snapdragon X20 LTE Modem chip and below is the general specs for reference:

  • Aggregation up to 5 frequency bands
  • Up to 150 Mbit/s UL 64QAM and UL aggregation support
  • LTE FDD Bands: B1, B25 (B2), B3, B66 (B4), B26 (B5), B7, B8, B12 (17), B13, B14, B20, B28, B29 (DL) ), B71
  • LTE TDD Bands: B38, B39, B40, B41, B42, B46 (DL), B48
  • 3G ranges: B1, B2, B4, B5, B8
  • Satellite Systems: GPS, GLONASS, Galileo, Beidou
  • USB 3.0
Feature Sub Feature Telit LM960
Rel 12 Release 12 compliance Yes
4×4 MIMO 4×4 MIMO on 2 contiguous carrier + 2×2 MIMO on 3rd carrier Yes
3DL CA Inter-band with 4×4 MIMO on one of 3 bands
4×4 MIMO on 2 bands in 2xCA Configuration
LTE CA 4x DLCA(80MHz aggregated BW; Cat16) Yes
3.5GHz B42 4×4 MIMO Deployments in Japan Yes
LTE-U LTE-U(eCAST) Yes
LAA(60MHz) Achieves 1Gbps with LAA Yes
Data IC Interference cancellation for LTE Data Yes
LAA Enhancements * More than 1 Lincensed carrier with LAA Yes
* Support for Wi-Fi measurements reporting in LAA
* 5xCA 4+2+2+2+2 scenario
Cat16+ 1.2Gbps Yes
12 Layers Support for 12 layers(Also 4×4 MIMO with 3xDLCA) Yes
5xCA 5x Carrier Aggregation Yes
New Bands 600MHz, CBRS(B48 with CA) Yes

 

 

The ruggedized LM960 module is derived from the Cat-11 compatible LM940 and the two cards are interchangeable, says Telit, which offers developers the ability to launch new equipment (routers, gateways, etc.) built on designs already using the Telit LM940, or to create product families with different performance levels (the LM960 for the high-end, the LM940 for the mid-range).

 

Telit LM960 Price and Buy

Since Telit LM960 is not available in the market for volume and just in the range of testing. The Telit LM960 price is high and there is only few online stores who can supply the samples time to time. We 4GLTEMALL.com could supply the Telit LM960 samples but not stably. If you want to buy the Telit LM960, you must pre-order first to get it.

 

Inseego Launches 5G NR-Compatible Mobile Wi-Fi Router for Verizon

Inseego in the United States has released a mobile wireless LAN router compatible with the 5th generation mobile communication system (5G). It is a mobile wireless LAN router for Cellco Partnership which is a US mobile operator (MNO) that operates as Verizon Wireless.

The 5G communication method corresponds to the NR method prescribed to satisfy the requirement of 5G in 3rd Generation Partnership Project (3GPP) of the standardization organization.

 

As with this device, the idea is that 5G signals come in and it is converted into Wi-Fi for other people to use. The focus here is Wi-Fi, with the device being 802.11ax-ready (Wi-Fi 6 ready) although the unit also has an Ethernet RJ-45 port (unclear what standard) to connect to a network if needed as well as a Type-C connection for direct tethering. This is the small business device designed to help several employees access the internet. There is also a small LCD display.

Inside the device is similar to the Netgear Nighthawk 5G mobile hotspot, with a Snapdragon X50 modem, an S855 SoC, and a built in battery. This time we were told there is a 4400 mAh battery, and the goal is to supply a full day’s worth of battery. The company said that they have 10 hours right now, but still have a good amount of optimization to do. On speed, the goal is to support 2 Gbps of mmWave 5G connectivity with sub-10 millisecond latency.

Cellco Partnership began offering 5G service as Verizon 5G Home in some cities in the United States on October 1, 2018, but Verizon 5G Home is for fixed communications, and it is a proprietary 5GTF system which Cellco Partnership led the development is adopted.

 

In the plan to start 5G service for mobile communication in the first half of 2019, 5G service for mobile communication is compliant with NR method, and in the future, it is a policy to replace the 5GTF method of Verizon 5G Home with NR method.

Mobile wireless LAN router corresponding to 5G developed by Inseego was decided to be released by Cellco Partnership in 2019.

 

 

The newest MiFi device is exclusive to Verizon and will be available to Verizon customers nationwide in 2019. Inseego also plans to offer its MiFi 5G NR hotspot device to customers of various global carriers next year, though the company hasn’t yet announced which specific ones.

How fast are we talking about here? According to Inseego, leading up to this week, the MiFi 5G NR “consistently” hit speeds of more than 2Gbps, along with sub-10 milliseconds latency in multiple component carrier aggregations (CA), as part of a real-world trial.

China Three Network Providers Get 5G License for Test

A few days ago, Chinese three major network providers (China Mobile, China Unicom and China Telecom) gained the 5G frequency band license for the national-wide test. China Telecom has obtained 5G test frequency resources with a total bandwidth of 100MHz from 3400MHz to 3500MHz; China Mobile has obtained 5G test frequency resources in the 2515MHz-2675MHz and 4800MHz-4900MHz frequency bands, in which the 2515-2575MHz, 2635-2675MHz and 4800-4900MHz frequency bands are new frequency bands. The 2575-2635MHz frequency band is the re-cultivation of China Mobile’s existing TD-LTE (4G) frequency band; China Unicom has obtained 5G test frequency resources with a total bandwidth of 3MHz from 3500MHz to 3600MHz.

 

Network Carrier 5G Frequency Band
China Mobile 2515MHz-2675MHz(N41), 4800MHz-4900MHz(N79)
China Unicom 3500MHz-3600MHz
China Telecom 3400MHz-3500MHz

This is the final test before the 5G in China will be commercially launched in 2019. As planned, the 5G will be launched for commercial trial in June 2019 and after application test, 5G network will expand the coverage more widely in larger scale at the end of 2019. And in 2020, 5G will become common and the cell phone will have 5 telecommunication modes.

 

Huawei 5G Router for mmWave and C-band Released

At the Global Mobile Broadband Forum, Huawei announced the first modem routers (“CPE”) for the new 5G cellular standard. The company has two devices in preparation, one for the C band (frequency range between 3.5 and 5 gigahertz) and one for the millimeter wave range between 26 and 28 gigahertz. Although the two 5G routers still have some drawbacks such as an enormous energy consumption to fight, yet it is likely to be the first commercially available 5G devices.

Huawei 5G router for C-band feature

Compared to a current LTE router like Huawei B618 , the Huawei 5G WiFi router for use in the C-band between 3.5 and about 5 GHz is quite large and heavy, but the first 5G devices are safe to handle.

According to the manufacturer, the Huawei 5G router should be equipped with two RJ45 Gigabit LAN ports and WLAN 802.11ac (2.4 GHz and 5 GHz). The 5G C-Band Router is backward compatible with the 4G LTE standard and comes with a 2T4R antenna configuration, which means: data can be received on four antennas while sent via two antennas.

 

Huawei 5G router for mmWave feature

The Huawei 5G router for the millimeter-wave frequency range between 26 and 28 gigahertz is visually hardly distinguishable from the sister model for the C-band. But there is one important difference: millimeter waves can hardly or never enter buildings, so a line of sight to the 5G transmitter is required. This is done by an outdoor unit (ODU) integrated with the entire modem technology.

The indoor unit (IDU) features all the connections and the WLAN technology. The indoor and outdoor units are connected via LAN cable, the power supply of the outdoor unit is realized via Power over Ethernet (PoE).

 

 

High energy consumption from the Huawei 5G router

As can be seen on the data sheets shown above, both Huawei 5G devices have an enormous power consumption, at least under load. The C-band model consumes up to 120 watts, while the mmWave model even up to 146 watts. So when the 5G router working, the power consumption is more like a gaming notebook rather than a router. For comparison: common LTE routers such as the Huawei B715 LTE router consume up to 12 watts during heavy load, ie one-tenth of them.

However, Huawei emphasizes that only the first generation of the 5G modem will have such high energy consumption. It is also likely that commercially available 5G routers will have a newer chipset and thus lower power consumption.

 

Huawei and Three UK Release 5G Router for Home

It’s said that the 5G networks would be launched in many countries and areas, so as the next generation of 5G mobile phones. As an important application, 5G router would be also an important part for 5G connection and surfing. The UK provider Three released its first 5G home access point from the Chinese network equipment supplier Huawei. Three UK owns 100 megahertz of radio spectrum in the range around 3.7 GHz and expands its 5G net with this spectrum. Huawei can provide both the network technology and the appropriate terminals for 5G.

 

5G can be used for a variety of purposes, but fast Internet for the home is probably the first application that will be introduced over a large area. With the 100 MHz wide spectrum that Three UK has available for 5G, it is theoretically possible to achieve up to 2 gigabits per second – which is about twice as fast as the currently most powerful LTE connections. What is more interesting than the top speed is the average speed, which should be at 1 gigabit per second. Compared to LTE, that’s a big step forward. A 5G connector can not only easily replace a VDSL supervising connection, but even achieves speeds previously only possible with fiber optic connectors.

 

Although Huawei already presented the first 5G router in 2017, it is now being used in practical use for the first time. It is the 5G router model for the so-called C-band, ie the frequency range between 3.4 and 3.8 gigahertz. Externally, the router is inconspicuous therefore and does not differ from an ordinary 4G LTE router. The router would certainly not win a design prize, but the technology dominates.

 

The Huawei 5G C-Band Home Router can also use LTE in addition to 5G, as shown in the datasheet below. Wi-Fi is supported at 2.4 and 5 gigahertz. There are two Gigabit LAN ports on the back, plus some LEDs and a SIM card slot. Whether or not eSIM is supported, Huawei didn’t tell. The power consumption is up to 120 watts – 10 times as much as a normal LTE router!

 

 

Even the 5G available in near future, you cannot buy the Huawei 5G router, presumably, the 5G router will only be available via some specific providers in some countries. But we suppose there will be more and more 5G modem routers available as time goes.

Netgear Nighthawk M5 – World’s First 5G Mobile Hotspot Released

Recently, the US mobile operator AT&T launched the first mobile 5G hotspot which comes from the Netgear. The 5G device is named Netgear Nighthawk M5 Fusion, which receives and transmits data via an integrated 5G modem and then forwards the Internet connection via LAN and WLAN to other devices. The new hotspot includes a Qualcomm X50 modem, the first consumer 5G modem. 5G is supported in the millimeter-wave range by 26 GHz, in this frequency range, the provider AT&T launches the 5G expansion in the US. Whether the range between 3.5 and 3.7 GHz is supported by the modem, which is used in many other regions of the world for the launch of 5G, is currently not known.

AT&T didn’t confirm other specs for the Nighthawk M5 Fusion (we got the name from an image title on AT&T’s press site), but we think it also has a Qualcomm X20 modem for gigabit-plus speeds on LTE.

 

The announcement by Netgear and AT&T was made in late October 2018 as part of a 5G test in Waco, Texas. The 5G network technology gets from Ericsson. AT&T plans to launch the 5G network in at least 12 US cities by the end of 2018, and by early 2019, 5G will be available in 19 US cities.

 

The Nighthawk M5 Fusion looks like Netgear existing Nighthawk M1, and the revealed product image of the new Netgear Nighthawk M5 5G hotspot shows the Nighthawk M5 in cuboid design and with a large display on the front. There are no other technical details yet, so it is unclear how long the battery life will be in 5G operation and what connections the device offers. Neither AT&T nor Netgear have provided information on the maximum speed.

 

The M5 Fusion model from the Nighthawk series will probably be among the world’s first commercially available 5G router and it’s also should be the first Netgear 5G Router & ATT 5G Router. It’s said it would be available in 2018 for the launch of the AT&T 5G network in the US. Details of the technical equipment were not released yet, but the Nighthawk M5 should be the successor of the Netgear Nighthawk M1. We will keep updating the news and detail specifications about Nighthawk M5.

5G & 5G Applications and Features

The hyperlinked community of 5G revolutionary technology is soon a reality. It means a huge number of things connected to the network, high speeds, minimal delays, increased reliability, and brand new opportunities for using the web.

 

What is 5G?

 

5G will give us two main types of communication solutions: The first gives us a mobile broadband network with higher capacity and improved user experiences. The other main type provides a 5G network that will allow special online solutions for many different purposes with different functionality requirements. There will be billions of things connected to the web, for very fast response times, and for increased security and reliability.

 

The big difference between the 5G and previous generations is that the 5G is designed to provide networks and services to various industry and community-driven devices, as well as services and networks for the smartphone.

 

What are the 5G applications?

 

In addition to mobile broadband, 5G will be offered as fixed broadband access to households and businesses in areas without fiber networks. Broadcasting of radio and television will also be facilitated. Emergency services will have their own safe and effective solutions for crisis situations, including coordination of communication with audio, video, maps, positioning, first aid, drones management, etc. Enterprises, government agencies and households will be able to create their own “private” networks of sensors and machines that can be controlled and controlled via the network. Vehicles will be connected and combined for safer and more efficient traffic congestion. In the health sector, 5G could be used for telemedicine for diagnosis and treatment of patients wherever they are. Within the energy sector, 5G could be used for measuring and controlling production, distribution and consumption in more environmentally friendly and cost-effective ways. Within the food industry, 5G will enable more efficient and environmentally friendly production and distribution with the use of sensors that monitor and quality assure the entire food chain from sea, field and farm to the dinner table.

 

5G is expected to be a driver in the digital transformation of the future ICT community, such as smart and smart sensor and communication solutions, autonomous transport solutions and emergency networks. Individuals will experience new and improved digital services on their smartphone delivered over 5G. These services will be much faster, more accessible and safer than today’s services. Private individuals will also benefit from sensor and communication solutions for smart cities, autonomous transport solutions and emergency networks. Other 5G services will exploit the available rate and improve the security of virtual or custom reality transfer, for example to “hospital in ambulance” or firewall support systems.

 

When does 5G come?

 

From the start, 5G will gradually be built on top of the 4G network. 5G technology is standardized in two phases, in 2018 and 2019 with international approval in 20201 2, but it is difficult to determine when 5G is widely available.

 

5G is being developed and piloted in Europe, Asia and the United States. During the Olympics in South Korea, it was tested among other things. 360-degree TV services and use of 5G based robots. Commercial development is expected to start in 2020 as needed, but there will not be a massive deployment that we have seen for 3G and 4G. In the coming years, international research and innovation within 5G will focus on evaluation of 5G.

 

The 5G will come with a number of new and unique features, compared to the 4G network which we have become accustomed to. Three key examples of areas that will delight in 5G, so-called industry verticals, are autonomous transport solutions, the energy sector and the media industry. A thoughtful transport solution may be the intersection of cars (“platooning”) with communication between the cars and from the cars to the network, which requires extremely low latency and strong robustness. This will make it possible to synchronize cars and traffic signals for optimal driving speed and density of cars under all conditions.

 

However, for the energy sector, a massive IoT system with large amounts of sensors that still provide new information and data for monitoring, control and mainframe analysis can be critical.

 

Within the media world, it would be possible for consumers to have access to a 5G high-speed network that enables high-quality streaming in real time, preferably with an AR experience as well.

 

 

 

What are the 5G features?

 

There are especially five features of 5G that provide great potential for new applications, helping drive the hyperlinked community and enable much of the revolutionary technology we hear about otherwise:

  1. Skid network

5G enables operation of a more flexible and programmable network. This becomes possible through the use of new technology for logical or network slices. Various logical networks will be created at the top of this extremely flexible infrastructure and will provide as diverse devices on the network as the application requires. This means in practice that it will be perceived as services with very different needs, such as healthcare, industrial areas and autonomous vehicles, each having their own network, within the same network – tailored to their needs, and without compromising each other.

  1. Robustness and Quality Guarantees

This segmentation also enables guaranteed service quality (QoS) to be provided to different industries, services and applications – which are especially important for critical functions (such as health and emergency services, transportation and industrial production) and also make it safer to become more digital. It ensures robustness in the network, which allows services with zero tolerance for outcomes, errors and delays, to deploy web-based services and systems in a completely new way.

  1. Extremely low delays

5G will offer much lower delays in the network than before, some estimating down to 1ms. In a 4G network, the delay is about 25 ms. As mentioned above, this will be especially important for self-propelled cars – which can communicate for both safer and more efficient transportation, when a car knows that the front of the car slows down in what it does, one is both secured against a potential collision and can Avoid cuts in synchronized motion. Also in health, low delays can be considered as essential, for example, using remote-controlled robot surgery – which you will not have any delays but have near perfect response time from machine and patient at a hospital to the doctor who controls the operation from another hospital. 5G offers ultra reliability in these delays for Ultra Reliable Low Latency Communication (URLLC).

  1. Possibility of massive volumes of things connected to the net

The 5G technology will also enable a large number of things connected to the network, called massive machine type communication (mMTC). We already see that most people have a smartphone, but the vast growth of connections is sensors, machines and things that are connected to the network – so-called Internet of Things or the Internet of Things (IoT). These things also have very different needs: some will exchange tiny amounts of data and ensure long battery life (as a parking sensor dug down in the asphalt) while others, like a self-propelled car, have plenty of power but will transfer large amounts of data to cloud. Should all the technology now expected within the broad IoT concept be used, one must have a network that can handle such massive volumes of things on the same network. It offers 5G, which enables one million connected stuff on the same network per square kilometer.

  1. High speeds

The least radically different from 4G to 5G, yet remarkable, is the development of the speed of the network we will be able to offer. This is not only necessary to meet the strong growth in data traffic in the web as we already see, as more content requires large amounts of data. An example here is if more and more are going to stream 4K quality video. It also means that brand new applications are emerging. For example, far more advanced features and operations can be done in the “cloud” because data is transmitted quickly in the web and does not need to be stored or processed locally. This allows mobile devices to become more advanced, and do more demanding things than we have been used to.

 

Some of these properties will also be incorporated into the 4G network, which is constantly evolving (so-called 4,5G). This means that they will be available also where there is no 5G coverage, but you will still use 4G. It is therefore a continuous development of the 4G network as well, which will be in the process of digitizing society. The 5G will allow brand new applications for the technologies we already have, and be necessary to utilize the technologies we expect to come. The practical consequence of this is that if we are ready to take advantage of all the opportunities offered by new technology, we rely on better digital infrastructure than we currently have.

Samsung SFG-D0100 5G Home Router Pass through FCC Approval

The Federal Communications Commission (FCC) of the United States has recently completed compatibility testing of the first 5G router, which will be used by customers using the wireless Internet connection. The Samsung router with the designation SFG-D0100 will be available in the offer of the American operator Verizon. This equipment works in the 5G mmWave 28 GHz millimeter. The 5G terminal “SFG-D0100” made by Samsung Electronics (Samsung Electronics) passed the Federal Communications Commission (FCC) on April 30, 2018. FCC ID is A3LSFG-D0100.

The frequency of the mobile network is certified at 27.50 to 28.35 GHz. Radio waves from the 28 GHz millimeter range have the same strong propagation suppression. This means that the range of the base station is small. However, engineers working on 5G solved this problem using beamforming technologies. This means that both the base station and the client’s device can form, by means of the antenna system, a directional antenna radiation pattern aimed at the direction chosen by the system. The Samsung 5G router uses for this purpose 2 antenna systems, of which each of them consists of 32 small antennas. Each system radiates on a different polarity, so data transmission takes place in 2 × 2 MIMO mode. On the other hand, the very high frequency allows us to occupy the 800 MHz wide channel (here we aggregate 8 blocks of 100 MHz each). Samsung SFG-D0100 is the model number of the unreleased terminal.

It is customer premises Equipment (customer premises equipment: hereinafter referred to as CPE) for indoor use. It corresponds to the millimeter wave (mm Wave) of the 28 GHz band which is considered as the leading candidate frequency band of the fifth generation mobile communication system (5G) from the frequency certified by FCC.

 

 

In the United States, Verizon Wireless plans to commercialize 5G for Fixed Wireless Access (FWA) in 2018, and Samsung Electronics has decided to deliver communication equipment to Verizon Wireless in 2018.

The SFG-D0100 is likely to be a 5G indoor CPE provided by Verizon Wireless’ 5G. In FCC, labels and terminal diagrams are released. From the label we know to manufacture in South Korea (South Korea), China, Vietnam factory.

 

5G Frequency Bands Allocation Globally

5G Spectrum Allocation Globally
Country Low Frequency Band High Frequency Band
Finland 3.4 – 3.8 GHz 26.5 – 27.5 GHz
France 3.46 – 3.8 GHz 26 GHz
Germany 3.4 – 3.8 GHz 26 – 27.5 GHz
Ireland 3.4 – 3.8 GHz 26 GHz
Italy 3.6 – 3.8 GHz 26.5 – 27.5 GHz
Russia 3.4 – 3.8 GHz 26 GHz
Spain 3.4 – 3.8 GHz 26.5 – 27.5 GHz
United Kingdom 3.4 – 3.6 GHz, 3.6 to 3.8 GHz (in 2019) 26.5 – 27.5 GHz
USA 600 MHz (2 x 35 MHz) 27.5 – 28.35 GHz
3100 – 3550 MHz 37 – 40 GHz
3700 – 4200 MHz
Japan 3600 – 4200 MHz 27.5 – 28.28 GHz
4400 – 4900 MHz
China 3300 – 3600 MHz 24.25 – 27.5 GHz
4400 – 4500 MHz 37 – 43.5 GHz
Korea 26.5 – 29.5 GHz
Canada 600 MHz (2 x 35 MHz) 27.5 – 28.35 GHz
64 – 71 GHz 37 – 37.6 GHz
37.6 – 40 GHz
Australia 3.4 – 3.7 GHz 24.5 – 27.5 GHz
39 GHz