Sierra Gobi5000 EM7355 LTE/EVDO/HSPA+ 42Mbps NGFF Card 4G Module for Lenovo Thinkpad T431s T440 T440s T440p T540P W540 X240 FRU 04W3801 Model No: EM7355 Category: 4G Module Chipset: MDM 9615 Qualcomm Technologies :UMTS,HSDPA,HSPA+,LTE,EVDO Rev A,1xRTT,GSM,GPRS(Class 12),EDGE Dload Speed: 100 Mbps Upload Speed :50 Mbps