1,6280 2,HSDPA up to 7.2Mbps, HSUPA up to 2Mbps 3,support tablet ,lunix ,android ,windows 4.oem service 5, ... Interface The Modem Support 4 Band Frequencies GSM/GPRS/EDGE 850/900/1800/1900MHz Support HSDPA up to 7.2Mbps, HSUPA up to 2Mbps Support ... UMTS/HSDPA/WCDMA 2100MHz Modem Work on Most Of the Tablet ...