Quick overview from the supplier:
Wireless N Router TP-LINK "TL-MR3020",Compatible with UMTS/HSPA/EVDO USB modem,3G/WAN failover
// Share a 3G/4G* mobile connection, compatible with 120+ LTE/HSPA+/HSPA/UMTS/EVDO 3G/4G USB modems, tested in the field
Travel-size Design, small and light enough to take on the road, enables users to share a 3G/4G* mobile connection wherever 3G/4G* coverage is available
Wireless speed is up to 150Mbps
Three modes available for different situations: 3G/4G* Router, WISP Client Router and Travel Router Mode (AP Mode)
With 3G/4G* and WAN failover back-up strategy, TL-MR3020 can provide a sustained internet connection.
