Using Qualcomm MDM9625 chip, PCIe M.2 shape, stable and excellent performance. The Qualcomm X5 LTE modem is the first implementation of 4G LTE Advanced Carrier Aggregation in the mobile industry. Achieve LTE Class 4 download data rates of up to 150 Mbps by aggregating two 10 MHz LTEs. This product is made of high-quality PCB material, which is sturdy and durable. Careful welding, precise hole position and complete functions. Product name: 4G module. Model: T77W595 Part Number: : 796928-001 LT4120 Interface: NGFF Network Standard: FDD LTE Type 4G Module Size: 42x30x2.5mm The following for models are supported: for EliteBook 840 G3 Notebook PC for EliteBook 850 G3 Notebook PC for ZBook 15u G3 Mobile Workstation for EliteBook 745 G3 Notebook PC for EliteBook 755 G3 Notebook PC for EliteBook 820 G3 Notebook PC for EliteBook 828 G3 Notebook PC for ProBook 640 G2 Notebook PC for ProBook 650 G2 Notebook PC for ProBook 645 G2 Notebook PC for ProBook 655 G2 Notebook PC for EliteBook 725 G3 Notebook PC for Spectre x2 Detachable Convertible for Elite x2 1012 G1 Tablet for Elite x2 1012 G1 with Travel Keyboard for Elite x2 1012 G1 Advanced Keyboard Colour: green Material: PCB Package Contents: 1 * 4G module Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.