TP-Link Portable 3G/4G Wireless N Router, 1x 2.0 USB Port + 1xMicro USB Port, 1x Fast WAN/LAN Ports, WISP Mode, Travel-size Design, No sim card slot, No Configuration Required, UK Plug (TL-MR3020) :
Battery-Powered TP-Link TL-MR3020 Routers for Wireless Mesh Networking | Kai Christian Bader
OpenWrt Wiki] TP-Link TL-MR3020
How to configure Repeater/Bridge Mode on TL-MR3020 (new logo) | TP-Link United Kingdom
TL-MR3020 | Portable 3G/4G Wireless N Router | TP-Link United Kingdom
TP-Link TL-MR3020 Portable Travel-Size 3G/4G Wireless N Router 300Mbps