Upgrading the TL-WR902AC Travel Router with OpenWrt
Get a TP-Link travel router for $9.99 - CNET
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) :
White TL-WR902AC AC750 Wireless Travel Router, For Office at Rs 2099/piece in New Delhi