A portable 4G/5G WiFi router can share a mobile internet connection with compatible entertainment devices, including smartphones, tablets, and some laptops or smart TVs. Streaming performance depends on the mobile network, signal strength, service plan, and quality settings selected in the application. High-definition and ultra-high-definition video can consume substantial amounts of mobile data, making an appropriate data allowance important. Users should also check local network restrictions and any roaming costs when travelling abroad. With suitable coverage and sufficient data, a portable router can make digital entertainment more convenient away from home.