... MAC OS 3G USB modem supporting voice , APN, for newest Ipad, notebook, tablet pc HSDPA Modem specification:Qualcomm MSM 6280Supporting ... protocol: HSDPA/UMTS/EDGE/GPRS/GSMFrequency: HSDPA/UMTS:2100MHz,EDGE/GPRS/GSM:900/ ... support Allwinner, VIA, Rockchip, Andriod MID 3G USB modem supporting voice , APN, for newest Ipad, notebook, tablet pc