Wireless in Local Loop is a recent innovation in the technological sector that is being considered as the ultimate hope where wired connectivity succumbs to barriers of cost and distance. WLL is a system that connects subscribers to the Public Switched Telephone Network (PSTN) using radio signals as a substitute for copper. While, the consumers and producers see it as a cost-effective and efficient means of communication, to the wired and mobile services WLL means the threat of competition. The article gives a detailed analysis of WLL.

It is a wireless world. The remote and undiscovered lands, which were so beyond any form of linkage or never dreamt of being linked, are linked today. Thanks to the mobile revolution. Mobile phones in the recent years have evolved into a necessity-met technology and are no longer just a fad. The communication imperatives of the emerging economies are met through the technology of mobility, which is capital-friendly, as compared to the wired lines used by the access providers. But looking at it from the user side, the fixed line is a straight winner, as far as purse-friendliness is concerned. The story of mobility was confined to upper-class urban population and the downtrodden were left unlinked. So, when all data show a stupendous growth in the telecom sector in emerging economies, economists see it as a partial picture, since the scene was dominated by the urban communication system, namely the mobile. When talks are thematic on mobility, there is one technology, which is forging ahead as a threat to all existing systems. It is Wireless in Local Loop (WLL). While economists see it as a messiah of developing countries, the access providers of wired and mobile services see it as a competitor, for it promises cost-efficiency to the service provider and purse-efficiency to the user.

WLL is resorted to as the "last mile" in areas where wired connectivity is impossible due to barriers of cost and distance. Under this technology, the service provider is given the license to deploy Wireless Technology (whether GSM or CDMA) using a local loop to provide fixed connectivity. It is also known as Radio In The Loop (RITL) or Fixed Radio Access (FRA). This technology connects the subscriber at home or at office, to the Public Switched Telephone Network (PSTN), which is the service providers' Point of Presence (POP). This connection from the subscribers' premises to the service providers point of presence is called the Local Loop. Since it is more similar to the fixed line connectivity system, it is treated as one of the segments in the fixed line services, and is not included in the mobile services.

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