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HiBoost Hi20-3S Signal Booster – EU Version
Supports All Major EU Networks | 2G, 3G, and 4G Voice & Data | Coverage up to 5500 m²
If you’re experiencing poor mobile signal reception in large indoor environments—such as homes, office buildings, hotels, or commercial spaces—the HiBoost Hi20-3S is an ideal solution. This professional-grade signal booster enhances GSM voice/text, as well as 3G and 4G voice and data, across multiple EU network operators.
Designed for multi-room and multi-floor coverage, the Hi20-3S works across the EGSM900, DCS/LTE1800, and WCDMA2100 MHz frequencies. It’s fully compatible with major mobile operators throughout the European Union, offering clear voice calls and stable mobile internet connectivity.
⚠️ Note: This product is not intended for use in the UK.
Perfect for Large Indoor Spaces
The Hi20-3S is ideal for:
• Large residential homes
• Multi-storey office buildings
• Restaurants & cafés
• Hotels, lodges & guesthouses
• Shopping malls
• Conference centres
• Any indoor space up to 5500 square metres
Main Features
• Network Support: EGSM900 + DCS/LTE1800 + WCDMA2100 MHz
• Coverage Area: Up to 4000 m²
• Users Supported: Up to 100 simultaneous users
• Plug & Play Setup: Automatically adjusts gain and output within 1 minute of power-up
• LCD Display: Intelligent, real-time signal feedback and system info
• Smart Gain Controls: AGC (Automatic Gain Control) & MGC (Manual Gain Control)
• Multi-Room/Floor Ready: Additional antennas and splitters can be added for expanded coverage
• Mobile App Access: Remotely monitor and control the booster
• Certified for EU Use: CE and RoHS certified
• Warranty: 3-Year Manufacturer Warranty
• Returns: 15-Day Money Back Guarantee
Remote Management via Mobile App
The HiBoost Hi20-3S supports remote control via the Signal Supervisor App—available for iOS and Android devices. Once connected through WiFi or Bluetooth, you can:
• Turn the booster on/off remotely
• Adjust gain levels for optimal signal
• Monitor real-time signal performance
• Share access with technicians for support
Package Includes:
• HiBoost Hi20-3S Signal Booster
• Outdoor Directional Antenna
• Indoor Antenna
• Coaxial Cable
• Power Supply
• Installation Manual
Need Multi-Room Setup?
To extend coverage to multiple rooms or floors, you’ll need additional accessories such as splitters, dome/panel antennas, and extra cabling. Our technical support team is happy to assist with custom recommendations.
Whether you’re managing a business facility or need better signal at home, the Hi20-3S delivers reliable coverage across all major EU mobile networks, ensuring better calls and faster data—wherever you are.
Mobile APPS
Smart App Control – Total Signal Management at Your Fingertips
All HiBoost 3, 3S, and 5S series boosters come equipped with advanced remote management features, giving you full control of your device anytime, anywhere. With built-in WiFi and Bluetooth connectivity, you can monitor and adjust your booster’s settings using the HiBoost Signal Supervisor App.
Through the app, you can:
• Power your booster on or off remotely
• Fine-tune signal gain levels for optimal performance
• Monitor real-time signal strength
• Share device access with technicians for remote support
The Signal Supervisor App is available for free on both the Apple App Store and Google Play Store, making setup and control effortless.
Built-In Indoor Antenna – Sleek, Efficient, Space-Saving
The HiBoost series features a built-in indoor antenna, eliminating the need for a separate ceiling-mounted unit. This smart design provides full signal coverage right out of the box, helping you:
• Save on installation time and hardware
• Keep ceilings clean and uncluttered
• Expand coverage easily with additional antennas—no splitter required
Ideal for anyone who wants fast setup with professional-grade results.
Smart LCD Functions
Real-Time Monitoring
You take control of the current working status of your booster through the Information on the gain, frequency, and output power displayed on the LCD of the booster.
Smart Troubleshooting
Detects and shows an exact kind of malfunction (ALC or ISO) giving you the cue that is necessary to fix.
Assistance in Installation
Helps to find the best point for outdoor antenna mounting based on the output power value displayed on the screen.
Automatic Gain Control
AGC automatically measures and adjusts incoming signals strength and only allows strength needed for coverage in your area to be released. This feature helps prevent interference and frequencies overlap.
All our Boosters are really easy to install with our easy to use Installations manuals.
- A mobile phone signal booster is supplied with all the accessories you require for set up and use. It is basically a plug and play device and which can be done without employing any professional installer.
- The Booster and the indoor antenna should be mounted inside the intended coverage area. Link the antenna and the booster with the coaxial cable supplied with the system.
- Plugin the mobile booster to a power source and start experiencing a no drop calls and high-speed data download. The device will auto-adjusts the best parameters for your area in 30 seconds after the start.
IMPORTANT NOTE: Please call our Technical Support for advice if you are installing one of our pro series boosters, multiple rooms connections and or need further clarifications on any or all of our products.
What’s Included With Your Booster
• Five bands mobile signal booster
• Outdoor wideband directional antenna
• Indoor antenna
• HiBoost 200 low loss cable 50ft/15.2 m
• 12V / 3A, AC /DC power supply
Certifications
All our Boosters are certified under the EU safety Laws
