For HP LT4120 for Snapdragon X5 LTE T77W595 796928-001 4G WWAN M.2 Modem Module 150Mbps Features: , long service life. Transmission speed of up to 150Mbps. Best replacement for your cracked / damaged / faulted Module Card. Installation instruction is not included and professional installation is recommended. Specifications: Model: T77W595 Interface: NGFF Transmission Speed: 150Mbps Network Standard: FDD LTE SPS: 796928-001 LT4120 Category: 4G Module Size: Approx. 42 * 30 * 2.5 mm / 1.6 * 1.2 * 0.1 in Package Weight: About 6.2g Compatibility: For HP EliteBook 840 G3 Notebook PC For HP EliteBook 850 G3 Notebook PC For HP ZBook 15u G3 Mobile Workstation For HP EliteBook 745 G3 Notebook PC For HP EliteBook 755 G3 Notebook PC For HP EliteBook 820 G3 Notebook PC For HP EliteBook 828 G3 Notebook PC For HP ProBook 640 G2 Notebook PC For HP ProBook 650 G2 Notebook PC For HP ProBook 645 G2 Notebook PC For HP ProBook 655 G2 Notebook PC For HP EliteBook 725 G3 Notebook PC For HP Spectre x2 Detachable Convertible For HP Elite x2 1012 G1 Tablet  For HP Elite x2 1012 G1 with Travel Keyboard  For HP Elite x2 1012 G1 Advanced Keyboard    Package List: 1 * T77W595 4G Module (Not including CD driver and manual.)