2.75g edge usb modem 7.2Mbps High transmit speed Support 32G SD card memory ... Support Win7,Mac OS USB interface 2.75g edge usb modem Highlights ,The product is the internet equipments that aims at ... Specification ,Network type WCDMAChipset Qualcomm6290Frequency scope UMTS/HSPA,2100MHZ,GSM/GPRS/EDGE,850/900/1800/1900MHZ)Data delivers rate Max 5 ... °C Saving temperature -30~75 °C 2.75g edge usb modem