... System : Win2000/XP/VISTA/7/Mac 4.Voice ,SMS Good Quality Good Price EVDO Wireless Modem Product function characteristics : 1,Standard USB ... power source management, it can keep good data delivering speed in super speed train and automobile .5,Connection rate: under ... voice , ovonic SMS8,Support statistics of network flow ,time and history calls ,Telephone book Specifications :Network type EVDO Rev. ...