only for HP WWAN HP LT4211 LTE/EV-DO/HSPA+ GOBI5000 4G NGFF WWAN Module Card 793116-001 Compatible Elitebook 745 G2 Elitebook 840 G2 Elitebook 840 Elitebook 850 Minimum system requirements: Works with Windows 7 and higher Main Features Wireless cellular modem GPRS UMTS EDGE CDMA 2000 1X EV-DO Rev. A WCDMA CDMA 2000 1X EV-DO Rev. 0 HSPA+ LTE DC-HSPA+ 100 Mbps Interface:NGFF Note:only work on HP version laptop.