4G vs 5G Routers & Mobile WiFi in the UK (2026 Buyer’s Guide)

With more people working remotely, streaming on multiple devices, and staying connected while travelling, mobile broadband has become a powerful alternative to traditional fixed-line internet. Whether you’re considering a 4G router, a 5G home router, or a portable WiFi hotspot, this guide explains the differences and helps you choose the right solution for your lifestyle.

What Is Mobile Broadband?

Mobile broadband uses a SIM card and mobile network signal (4G or 5G) to provide internet access without the need for a fixed phone line or fibre connection. Simply insert a data SIM into a compatible router or hotspot device, and you’re ready to connect laptops, phones, smart TVs, and more.

• No landline or fibre installation required
• Quick setup and portability
• Ideal for renters, rural locations, temporary homes, and travel

4G Routers: Reliable and Affordable

4G routers provide stable broadband speeds suitable for everyday browsing, HD streaming, video calls, and smart home usage. They are widely available and offer excellent value for home or backup internet connections.

• Strong coverage across the UK
• Lower device cost compared to 5G
• Perfect for small households and moderate usage

5G Routers: Ultra-Fast Home Internet

5G routers deliver significantly faster speeds and lower latency than 4G, making them ideal for heavy streaming, gaming, large downloads, and multi-device households. In strong 5G coverage areas, performance can rival fibre broadband.

• Extremely fast download and upload speeds
• Low latency for gaming and video conferencing
• Excellent for busy households and home offices

Portable Mobile WiFi Hotspots

Mobile WiFi hotspots are compact, battery-powered devices that allow you to take your internet connection anywhere. They’re ideal for travel, commuting, camping, and temporary workspaces.

• Lightweight and pocket-sized
• Connect multiple devices on the go
• Great for holidays, caravans,