Just came across this, an Amazon Outlet Deal .
This is the smallest of the Gl.Inet range and has the same Gl.iNet interface over the top of OpenWRT and supports most of the same functionality as the bigger models.
I know, no-ones travelling but this is so small can easily be thrown into your bag or pocket for all the security functions of the Gl.Inet range or even "hacked" to assist with penetration testing.
[USB WIRELESS ROUTER] USB mini travel router for working professionals. Lightweight (10g) and pocket friendly. USB to Ethernet networking.
[OPEN SOURCE & PROGRAMMABLE] OpenWrt/LEDE pre-installed, backed by software repository.
[OPENVPN CLIENT] OpenVPN client pre-installed, compatible with 30+ VPN service providers.
[STORAGE] DDR2 64MB RAM / 16MB FLASH ROM.
[PACKAGE CONTENTS] GL-USB150 (microuter) USB router (1-year Warranty), User Manual.