M1 USB 2.0 150Mbps 802.11b/g/n 3G/4G Wi-Fi Hotspot Gateway Router
TP-Link TL-MR3020 Portable 3G/4G Wireless N Router - Newegg.com
Amazon.com: 3G 4G Mini Wireless Portable WiFi Router, USB2.0 Mini Router USB WiFi Modem of IEEE.802b / g/n Standards for Computers and Phones, 150Mbps High Transmission Speed : Electronics
TL-MR3040 | Portable Battery Powered 3G/4G Wireless N Router | TP-Link Sri Lanka