D-Link DWM-222 4G USB Adapter

Bandwidth: 1.4, 3, 5, 10, 15, 20 MHz
Minimum System Requirements: Windows XP/Vista/7/8, Mac OS X 10.5 or higher
128 MB RAM or greater
50 MB available disk space
LTE Output Power: Class 3 (23 dBm)
Status LED: Green (blinking): Connected to LTE network
Blue (blinking): Connected to 3G network
Purple (blinking): Connected to 2G network
Red (blinking): No service/device error
Software Features: Connection manager, phonebook, SMS messaging, APN manager
Certifications: RoHS, CE, WHQL
Antenna: Integrated antenna