File:Router running openwrt with captive portal.jpg - Wikimedia Commons
WiFi Captive Portals Making It Difficult To Connect Your Travel Router? - pauby.com
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GL.iNet GL-MT1300 VPN Wireless Mini Travel Router – Connect to Hotel WiFi & Captive Portal, USB 3.0, 3 Gigabit Ports, Range Extender, Assess Point, Pocket-Sized, MicroSD Slot, Easy to Setup: Amazon.de
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