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TETRA is a professional Mobile Radio system which utilises a digital cellular wireless communications system similar to that used in mobile phones. The advantages which TETRA offers over mobile phones include a higher level of coverage through a smaller number of bases stations, very fast call set up, group calling, high levels of encryption and the ability to build private networks at affordable prices. TETRA supports both voice and data transmission. Tetra handsets are robust and reliable and are available and are available as fully ATEX compliant. Motorola is the world’s leading TETRA supplier, having installed over a quarter of the world’s systems and has worked with Sigma Wireless to deliver TETRA networks to the Public Safety, Transport and Enterprise markets. Sigma Wireless is the exclusive distributor for Motorola TETRA product, including handsets in Ireland and operates a fully authorised repair centre for all Motorola radio products, including TETRA. The Sigma Wireless Comalerter Tetra Paging System has been shortlisted for the innovation Award in the inaugural International Tetra Awards 2012.
The Sigma Wireless Comalerter Tetra Paging System has been shortlisted for the innovation Award in the inaugural International Tetra Awards 2012. See related Documents for more information.