Karbonn Titanium MACHTWO was officially announced in March 2015, Device released in March 2015Mobile Network Support and BandKarbonn Titanium MACHTWO have Dual Card Slots,Karbonn Titanium MACHTWO support all GSM Based network providers. Karbonn Titanium MACHTWO mobile device support 2G Band Frequency at GSM 850,GSM 900,GSM 1800,GSM 1900 and Hight Speed 3G Network Band at HSDPA 900,HSDPA 2100,comes with network handling support with Network settings and work offline