Rail Rail transportation is critical for the economic development of cities and nations. Ensuring the safety and security of people and goods is imperative. Central to being able to do this is supply of a communications architecture capable of supporting the full array of mission critical and business critical rail communications. From the powerful TETRA radio solutions to the newly emerging FRMSC solutions Sigma Wireless is perfectly positioned to assist you with your rail communications needs. SEE SOLUTIONS: TETRA Digital Radio Solutions Digital Radio Solutions CCTV Analytics FRMCS CONTACT US DUBLIN OFFICE Sigma Wireless Communications Ltd McKee Avenue Finglas, Dublin 11, D11 PH2A Ireland + 353 (0) 1 8142100 sales@sigma.ie COVID -19 Services Products Sectors Partners About News Privacy Policy CONTACT US © SIGMA WIRELESS CRITICAL COMMUNICATIONS SYSTEMS INTEGRATOR MOTOROLA RADIO PARTNER TWO WAY RADIOS 2021. Copyright © 2021 Sigma Wireless By using this website, you agree to our use of cookies. We use cookies to provide you with a great experience and to help our website run effectively. We do not store or share user data. Accept