The high cost involved in the implementation of a terrestrial telecom network has led enterprises and organizations to investigate the possibility of developing wireless communications networks. Wireless communications networks require relatively low investment costs (CAPEX), and they can be installed and commissioned quickly and easily, with no particular impact on the environment. An enterprise will often prefer to invest in the autonomy of a self-owned wireless network, rather than use the terrestrial network of a telecom provider. A wireless network can be quickly deployed and easily extended according to future needs, thus offering flexibility and comparatively immediate revenue inflow to its owner.
Wireless communications have evolved impressively over the past few years, providing QoS and security to the end user.
The majority of problems associated with wireless networks in the past were related to low data transmission rates, unsatisfactory quality of services and lacking security when transmitting or receiving data. Today, wireless communications display a much different picture. The new WiFi and WiMAX technology-based wireless broadband networks provide users with exceptionally high data rates (over 100Mbps). Point-to-point connections by Laser technology can reach rates of 1Gbps, while satellite communications can download data at rates in the order of 45Mbps.
In terms of the security offered by these networks, huge steps have been made in the development of new standards and techniques, which offer a multi-faceted "safety net" for the user.
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