As of 2015, some highly rated 4G Wi-Fi routers are the D-Link DWR-921, Jetpack Mobile Hotspot MHS291L, Huawei 4G LTE-TDD E5786 MiFi Router and Samsung LTE Mobile Hotspot SCH-LC11. These routers connect to the 4G network of a mobile device and turn the connection into a Wi-Fi connection that other devices can access.
The D-Link DWR-921 offers a download speed of up to 100 megabytes per second and an upload speed of up to 50 megabytes per second. It has one Ethernet LAN port that accepts input from a cable broadband Internet connection. Its four 10/100 Ethernet LAN ports allow devices to access the Internet with wired connection. The DWR-921 supports the 802.11 b/g/n Wi-Fi connection specifications and offers WPA/WPA2 and 64/128-bit WEP encryption. Its SIM card slot lets users create a network using a SIM or USIM card.
The Jetpack Mobile Hotspot MHS291L offers a battery life of 14 hours and 37 minutes. In order to extend the battery life, this router automatically shuts down after 30 minutes of inactivity. The maximum download speed of the MHS291L is 9 megabytes per second, and it works with both the 2.4 gigahertz and 5 gigahertz bands. This mobile router lets users connect up to 10 devices at once and is usable in more than 200 countries.