Single carrier wireless solutions for point-of-sale (POS) terminals often present merchants, acquirers and processors with a range of problems, the greatest of which is reliability and performance. Transaction Network Services (TNS) has launched a new multi-carrier domestic roaming SIM solution, called Global Wireless Access (GWA), which includes the optional Roam+ terminal application. This infographic explores how the GWA solution can help users improve the performance of their wireless POS terminal fleets.
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