... Win2000/XP/VISTA/7/Mac 4.Voice SMS Phonebook Yellow Fashion 3G Wireless Modem with Voice Product function characteristics : 1, ... seconds from dial numbers to connection internet successfully7,Support PC voice , ovonic SMS8,Support statistics of network flow ,time and ... temperature -20~55 °C Saving temperature -30~75 °C SupportPC voice , ovonic SMS, statistics of network flow ,time ,history calls, ...