Specifications 1). To support EDGE/GPRS/GSM850/900/1800/1900MHz/HSDPA/UMTS2100MHz.2). Qualcomm : MSM6260Max. 3.6 Mbps downlink and 384kbps uplink3). HSDPA network always-on, users maintain contact with the network at any time4). Mini USB standard interface, support hot-swappable plug-and-play5). To support the short message group to receive and send functions6). Support Internet traffic statistics history7). To support hot-swappable, can be installed or removed at any timeon the card, no need to restart the operating system 8). Superacid compatible: different models of notebook computers,an excellent operating system compatibility, support for mainstream operating system, Windows2000, Windows XP, Windows Vista,Win7 32 Bit, Win7 64 Bit, Macvoice call  and USSD9). Automatic installation, the installation of the use of simple,flexible,easy to learn and use; automatically search network, fast registry10). Support 18 languages 11). Receiving Sensitivity: under -104dBm12). Working temperature: Storage temperature: -20°C ~
+55°C; working temperature: -30°C ~ +65°C13). Dimensions: 8.7*2.5*1.2CM/8.9*2.7*1.3CM14). N.W / G.W:27g / 93g 15). Humidity: ≤93%