Specifications:
Material: PCB
Size: Approx. 4*3*0.5cm/1.57*1.18*0.20inch
Supported frequency bands and formats:
R99 BANDS (GSM 850, GSM 900, GSM 1800, GSM 1900)
Supports EDGE: Class 12
UTRA BANDS & CATEGORIES (UTRA FDDI, UTRA FDDII, UTRA FDDIV, UTRA FDDV, UTRA FDDVIII)
Supports HSDPA: Category 24
E-UTRA
Does this device support E-UTRA?: Yes
E-UTRA BANDS & CATEGORIES (1, 2, 3, 4, 5, 7, 8, 13, 20)
Support Computer Model: 
For HP EliteBook 725 G4
For HP EliteBook 745 G4
For HP EliteBook 755 G4
For HP EliteBook 820 G4
For HP EliteBook 840 G4
For HP EliteBook 848 G4
For HP EliteBook 850 G4
For HP EliteBook 840 G3 Notebook PC
For HP EliteBook 850 G3 Notebook PC
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
For HP ZBook 15u G3 Mobile Workstation

Package list:
1 x T77W595 4G Module