Wireless data transmission has been and still is an essential part of any data network, even though it has changed considerably since the days of Marconi. Modern wireless technologies are able to eliminate specific features of unstable transmission environment, thus nearly reaching the capacity and quality of fixed lines. Their use has therefore gradually shifted from end-point access networks deeper to backbone applications. At the same time, the perception of microwave links has slowly shifted from merely a means of transport to a full-fledged network element. The cutting edge wireless technologies currently offer features to support SDN network concepts.

Products for unlicensed bands are very popular, i.e. products for frequency bands that are not subject to any usage fees. Customer interest in E-band (70/80GHz) and V-band (60GHz) technologies has increased recently. There is a huge potential in these bands. Even today there are affordable point-to-point links for speeds up to 1Gbps, while we can expect links providing 2.5 and 5Gbps capacity in the near future. Also, for point-to-multipoint technologies we have seen slightly increasing interest, because these technologies – after a long period of stagnation – have reached a competitive status in terms of service price and quality compared to other transmission technologies, not only wireless ones. We also represent manufacturers that are able to implement various specialised projects, such as data transmission to rapidly moving means of transport etc.

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Advanced Wireless Last Mile

It is often little things than make the end customer satisfied or unsatisfied. Even good and inexpensive service may be perceived negatively if it demonstrates a fault, even just now and then. As an example, we can name fluctuating system’s response during online gaming, jamming pictures while streaming a sports tournament, or voice stuttering during an important Skype call. What that for 99% of the time such a service works fine if it fails at the most critical moment? The customer will be annoyed, to put it mildly.

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Ethernet over any Media

Data communications are known for the variety of their communication protocols and interfaces. Throughout the decades of their development, various interfaces have been created for data transmission, while all these interfaces are dependent on communication protocols and devices connected to them. With each such new interface the complexity of the network has increased, while its maintenance has been extremely demanding. When we need to provide a service, whether to the customer or internally within the organisation, each new type of a physical interface makes service provisioning more complicated and expensive. Ideally, we would have a single physical interface able to provide various services.

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Guaranteed-SLA Ethernet Services

Internet connection is now commonplace, whether it is a home, a small business or a large corporation. Compared to its early times, Internet bandwidth is enormous. The goal has been reached from the user’s perspective, as we can stream HD movies faster than we can watch them. Thanks to high network bandwidth we can move most of the data to various data centers and clouds. Increasingly we are using applications running directly at the private or public cloud rather than our local servers. We are becoming dependent on data connection and we cannot work without it.

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Wireless connection as alternative to optical fiber

Optical fibers are currently the most popular data transfer medium at all levels of communication and data networks. They provide enormous transport capacity while maintaining high reliability and resistance to failures and interference. Optical cable laying, however, is demanding in terms of time and capital costs, and it is often complicated as well. There are locations where optical cables cannot be installed at all. Often there are various obstacles such as roads, watercourses or regulations for the care of historical monuments, which make digging in historical centers impossible.

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Last 100m Access Technologies

New applications are ever more demanding in terms of bandwidth. Both in households and businesses there is an increasing number of HD video devices, it is common to synchronize cloud data, and the volume of data keeps rising; speeds below 100Mbps are therefore no longer sufficient. We need to get close to gigabit transmission rates, or at least multiples of 100Mbps. Because of high costs, we are unable to provide a special optical connection for each user, so we need to get over the last 100m using the media currently available.

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5G Network Technologies

5G is an abbreviation for 5th Generation mobile networks. This definition might be a bit misleading, because 5G networks provide not only mobile access, but also fixed wireless access. Even today mobile network operators provide fixed access via mobile LTE networks, inaccurately referred to as the 4th generation (4G) networks. Such connection is usually implemented by an LTE modem located in user’s home, or on a rooftop, being firmly associated with a specific address. Furthermore, the newly built overlay layer of mobile networks based on 3.7GHz frequency band ignores the mobility factor completely, focusing on fixed wireless access only. 5G networks will be completely converged, and the differentiation between fixed and mobile connections will no longer make sense.

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