specs

E3531
Size

Width:

27.0 mm

Height:

10.5 mm

Depth:

84.0 mm

Weight:

< 30 g

Form

3G Dongle

Communication System

HSPA+ / UMTS / GSM

Speed

HSPA+ up to 21.6 M

Display

No

Battery

No, USB power supply (5V / 500mA)

microSD card slot

Yes

External Antenna Interface

No

Wi-Fi Protocol

2x2 802.11b/g/n

Operation System

Windows XP SP3, Windows Vista SP1 / SP2, Windows 7, Windows 8, Windows 8.1 (Note: Does not support windows RT); Mac OS X10.7, 10.8 and 10.9 with latest upgrades