Main features: Dual-band GSM external modem EGSM900/1800Mhz or EGSM900/1900MHz Small size and aluminum shell shock Install and us, connect Internet instantly Has been through all the technical standards certification Voice, messaging, fax and data transmission of GSM Phase2 + Designed for a specific application of the AT command control system 3g module SL808xT descriptions: 1.The Sierra Wireless SL808x (SL8080/81/82/83/84/85) is a 74-pin soldered-down module based on the Intel pin-out specification proposal for the standard JEDEC LGA packaging form factor. Its wireless UMTSbased modem provides data connectivity for eBooks, portable navigation devices, mobile Internet devices, point-of-sale devices, industrial handhelds, and other machine-to-machine. unlock HSDPA usb modem pool 3G bulk sms device SL8080T modem pool with IMEI change 2.Support:The SL808x modem supports data operation on HSDPA, WCDMA,EDGE, and GPRS network The SL8080/82/84 modems also support voice operation on these networks. 3.The SL808x modems are based on Qualcomm baseband processors: Voice modems: SL8080/82/84?QSC6270 Data modems: SL8081/83/85?MDM6270