TESTERS AND DEVICES LLP - TAD, is a British company that provides service in testing in mobile devices, from the software evolution to the homologation, simulating final users performing different kind of tests, such as: Call processing, SMS, MMS, E-mail, data port, UMTS, Video call, and others, using GSM, GPRS, EDGE, IMTS and LTE technologies. TAD is technically supported by TST Telmax Soluções em Tecnologia LTDA, a specialized Brazilian company, which provides service in telecommunications the area since 1999, managing and finding solutions in processing certificates and developing devices, as mobile phones, chipsets, Simcards, modems, routers and others. TAD, as a company member of TELMAX GROUP, provides services in Latin American countries, such as Mexico, Peru, Chile, Colombia and Argentina.
