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If you’re dealing with weak mobile signal at home, in the office, or on the road, you’re not alone. Whether it’s dropped calls, sluggish data, or poor reception, a mobile signal booster can help you stay connected — reliably and legally.
At JuiceBox, we’ve tested a wide range of boosters. Below are our top picks for 2025, including lab and real-world test results to help you choose with confidence.
JuiceBox 5G 4-in-1 Signal Booster
Best for Homes & Small Offices
- Supports: 5G, 4G, 3G, 2G
- Networks: All major UK carriers
- Coverage: Up to 500m²
Why we recommend it:
This flagship booster offers full-spectrum mobile support, ideal for larger homes and small businesses. It’s simple to install, and provides fast, stable reception even in areas with thick walls or poor outside signal.
Test Results:
- Location: Bristol suburb (3-bed home)
- Before: 1 bar (EE), 3 Mbps download
- After: 4 bars, 82 Mbps download, 12 Mbps upload
- Setup time: 18 minutes
- Performance rating: 9.5/10
SignalSmith 5G Booster
Best for Ultra-Fast 5G Connectivity
- Designed for: Speed-focused users, smart homes
- Networks: Optimised for 5G, supports fallback to 4G/3G
- Coverage: Medium to large properties
Why we recommend it:
If you want next-gen mobile performance, this booster delivers. Perfect for streaming, video conferencing, or online gaming — particularly in urban environments with inconsistent 5G coverage.
Test Results:
- Location: Central London flat (Three 5G)
- Before: Unstable signal, 11 Mbps download
- After: 95 Mbps download, 17 Mbps upload
- Performance rating: 9.2/10
JuiceBox Vehicle Signal Booster
Best for Cars, Vans & Campervans
- Installation: Quick setup, suction mount included
- Works with: All UK networks
- Ideal for: Delivery drivers, mobile workers, vanlifers
Why we recommend it:
If you’re frequently on the road, this booster improves signal in areas where mobile coverage drops off — ideal for navigation, calls, or streaming while travelling.
Test Results:
- Location: A5 route through rural North Wales
- Before: Signal loss every 5–10 minutes
- After: Stable 2–3 bars throughout, 10–15 Mbps download
- Setup time: 10 minutes
- Performance rating: 8.8/10
Cel-Fi Go X
Best for Rural Properties and Stone Buildings
Source: PCMag UK
- Strongest gain on the list (up to 100 dB)
- Ideal for large rural homes
- Works with one network at a time
Installation is more complex but powerful
SureCall Fusion4Home
Best on a Budget
Source: Tom’s Guide
- Affordable, compact, multi-network support
- Works well in small to mid-size flats
- Easy to install and great value for money
Shop Signal Boosters That Work
Every booster listed here has been tested in real homes, offices, and vehicles around the UK. With fast delivery and UK-based support, you’re just one step away from better signal.
Will Evans
Are signal boosters legal in the UK?
Yes, as long as they meet Ofcom’s regulations. All JuiceBox boosters are fully compliant and safe for consumer use.
Will these work with 5G?
Yes — our 5G boosters are designed for next-generation networks and also support 4G and older bands for full compatibility.
Can I install one myself?
Yes. All JuiceBox boosters are DIY-friendly with clear instructions. Most customers report installation takes under 20 minutes.
