Hi20-3S Signal Booster Premium 2G, 3G Voice, 4G LTE & 5G
Signal Booster for Luxury Homes, Hotels, Offices, Mines & Farms – Clear Calls & Fast 3G/4G LTE & 5G Data Across South Africa & Cross-Border Networks
Looking for a reliable signal booster? The Hi20-3S signal booster delivers instant improvement in mobile voice, SMS, and LTE 4G coverage for homes, hotels, and offices across South Africa and neighbouring countries.
Designed to offer a coverage area up to 4,000m², this powerful booster enhances mobile coverage on ALL NETWORKS starting from & not limited to MTN, Vodacom, Cell C, Telkom, Rain, BTC, Mascom, Orange, Econet, TeleCel, NetOne and cross-border networks.
Perfect for large homes, business centres, guest lodges, mines, hospitals, clinics, private practices, schools, universities, shopping malls, the Hi20-3S ensures instant, reliable communication—even in rural, remote, or signal-blocked environments.
Compatible with EGSM 900, DCS/LTE 1800, and WCDMA 2100 MHz, it supports up to 100 simultaneous users, making it ideal for high-traffic environments where uptime matters.
Key Features & Benefits Of This Premium Signal Booster
- Powerful Signal Booster for Large Areas: Instantly boosts 2G, 3G voice, data 4G LTE & 5G coverage over 4,000m².
- Works on All Major Networks: MTN, Vodacom, Telkom, Cell C, Rain, Mascom, BTC & Cross-Border Networks.
- Built-In Indoor Antenna: No ceiling-mounted antennas required for basic setups.
- Smart LCD Display: Real-time signal monitoring with intelligent troubleshooting.
- Remote Management App: Control via Wi-Fi/Bluetooth from anywhere using the free HiBoost Signal Supervisor App.
- Certified & Approved: CE, RoHS, and ICASA-certified for guaranteed safety and performance.
- Easy DIY Installation: Complete kit with outdoor antenna, cables, and installation manual. Plug-and-play within 30 minutes.
- Supports 100 Simultaneous Devices: Perfect for hotels, mines, warehouses, farms, and corporate offices.
- Free, Fast Delivery Nationwide: Includes The Courier Guy tracked delivery, even to remote areas like Limpopo, Lephalale, Mpumalanga, Northern Cape, and beyond.
- Lifetime Technical Support: 24/7 expert advice from our in-house support team.
- 2-Year Warranty & 15-Day Money-Back Guarantee.
This Signal Booster Is Ideal For:
- Large residential homes
- Hotels and guest lodges
- Corporate offices & SMEs
- Farms, mines & industrial facilities
- Retail centres, restaurants & medical clinics
- Remote rural areas with weak signal
The HiBoost Hi20-5S is built to boost and significantly improve mobile phone signal coverage for very large buildings and is packed with many amazing features including:
Mobile APPS packed with this signal booster
Control your booster remotely via Wi-Fi or Bluetooth using the free Signal Supervisor App, available on both Apple and Google Play stores. Easily monitor, switch on/off, and adjust signal gain from anywhere—plus, share access with technicians when needed.
Built-In Indoor Antenna Inside The Signal Booster
Another great feature of the booster is the in-built indoor antenna which delivers strong internal coverage without needing extra antennas if your boosting signal in one open plan large room or if the walls in the property is thin, keeping your space neat and installation simple. Optional external antennas can be added without a splitter for expanded coverage when required for thicker walls.
Smart Signal Booster LCD Functions
Real-Time Monitoring
You take control of the current working status of your booster through the Information on 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 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.
• Triband band mobile signal booster
• Outdoor wideband directional antenna
• Indoor antenna
• 15 Metre Cable
• 12V / 3A, AC /DC power supply
Certifications
All our product are officially certified for compliance with the international and European safety, quality and health regulations in the accredited test laboratories.
See certs below: ICASA Approved, CE, RoHs and ISO 9001-2008.
Why Choose WaveBoosters.co.za?
At WaveBoosters, we specialise in premium signal booster systems for South Africa’s most exclusive clients. Our boosters eliminate weak signal in the country’s wealthiest suburbs and beyond, delivering reliable connectivity every day.
- Trusted by more than 15,500 Happy South African customers
- 4+ years of mobile signal expertise
- Secure online ordering & safe checkout
- EFT options also available for warehousing collections
- Nationwide delivery via The Courier Guy
- 24/7 dedicated technical support team
- No monthly fees—single purchase, lifetime savings
Order Today For Instant Signal Solutions Improvement.
With free delivery throughout South Africa, backed by expert support, the HiBoost Hi23-3S Signal Booster gives you peace of mind — and the high-speed mobile connection your property deserves.
| Coverage Area | 4400 m² |
| Application | Commercial Building |
| Network Type | Calls, 3G / UMTS, 4G / LTE |
| Frequency | 900 MHz (GSM/EGSM), 1800 MHz (DCS/LTE), 2100 MHz (3G/WCDMA), |
| Frequency Range | 832~862MHz (Uplink) 791~821MHz (Downlink), 880~915MHz (Uplink) 925~960MHz (Downlink), 1710~1785MHz (Uplink) 1805~1880MHz (Downlink), 1920~1980MHz (Uplink) 2110~2170MHz (Downlink), 2500~2570MHz (Uplink) 2620~2690MHz (Downlink) |
| Number Of Bands | Three Band |
| Max. Gain | 65dB (Uplink) – 70dB (Downlink) |
| MGC (Step Attenuation) | ≥ 31dB / 1 dB step, dip switch control |
| Intelligent AGC (ALC / ISO) | ≥42 dB / ≥42 dB |
| Gain Flatness | Typical ≤5 dB (P-P) |
| Noise Figure @ Max. System Gain | Typical ≤5 dB |
| V.S.W.R | Typical ≤2 |
| Group Delay | ≤ 1 μs |
| Frequency Stability | ≤0.01 ppm |
| Power Supply | Input AC100~240V.50/60Hz, Output DC12V/7A |
| Power Consumption | ≤24W |
| Input & Output Impedance | 50 ohm |
| LCD Display | Frequency, Gain, Output Power, ALC, ISO, etc. |
| Indication LEDs | No |
| I /O Port Type | N-Female |
| Dimensions | 220*280*55 mm / 8.7*11*2.2 inch |
| Booster Weight | 3.6 kg |
| Booster Weight with KIT | 5.33 kg |
| Operating Temperature | -10ºC~+55ºC |
| Storage Temperature | -10ºC~+80ºC |
| Relative Humidity | 5% – 95% |
| Barometric Pressure | 55 kPa -106 kPa |
| Environment Conditions | IP40 |
Anne Petersen – :
Reliable coverage across two floors of my offices—WaveBoosters earned my 5-star rating.
Peter Kruger – :
The Hi20-3S transformed my farm’s connectivity—phone calls and data never fail now.
Craig Smith – :
I cancelled my fibre—this signal booster gives me fast, stable data everywhere at home
James Dlamini – :
Finally getting full bars across my entire house—brilliant product and faultless service!
Brenda Khumalo – :
My entire guesthouse now has stronger 3G & even 4G and calls are crystal clear—worth every penny.
Michael Govender – :
From 1 bar to 5 bars overnight in our office block—WaveBoosters exceeded all expectations.
Thabo Mokoena – :
I run a small warehouse and finally enjoy proper mobile coverage after installing this unit.
Linda Swanepoel – :
Our hotel lobby used to be a dead zone, now every guest has perfect signal—thank you WaveBoosters!
Susan Ndaba – :
WaveBoosters’ customer service is phenomenal—product works exactly as promised.
Nico Van Wyk – :
Signal improved drastically in my factory—now all our mobile devices stay connected.
Sophie Rautenbach – :
Easy install, fast delivery, and now smooth streaming throughout my guest lodge.