STARK SGS10-DM Support Analog and digital modelsSupport various voice call typeIt has Various Analog Signalling type(QDC 1200, DTMF, 2-tone and CTCSS)Support Automatic Roaming of all sitesSupport analog Scrambling and digital Encryption using Advance Encryption Standard and ARCFOURCustomer can upgrade Software to tier-III without buying new devicesStable GPS Performance and GPS text messageFor more information visit us www.antrikshtechnosys.com