CEL-FI GO G41 Indoor Mobile Signal Booster Ireland For Home/Office with Patchy indoor Signal
€1,264 Ex Vat
- 100 dB max signal gain covering an area 1,500 m2 per system
- Boosts 3G / 4G / 5G for voice and data simultaneously
- Can easily switch between mobile networks via the CEL-FI WAVE app
- Quick and easy setup and installation
- Remote monitoring and management with the CEL-FI WAVE app
- Smart Signal Booster with…
Comreg Legally Compliant
CEL-FI boosters are compliant with Ofcom’s new licence-exempt requirements (IR2102) and legal to use in the UK.
CEL-FI solutions are also licence-exempt under ComReg requirements for Ireland.
The Specific Absorption Rate (SAR) is comparable to that of a smartphone, making them equally harmless to human health and the environment.
Keeping You Connected at All Times
Signal Booster for GSM (900Mhz), 3G, and 4G (1800MHz) to improve signal coverage inside your offices, buildings, underground facilities, factories, and buildings with thick walls and insulation. Also perfect for large and wide open spaces
Supporting 3 frequency bands, This booster improves 2G, 3G and 4G signal at all time and is compatible with all mobile operators performing in the EU and UK.
Easy Installations
CEL-FI GO G41 can be set up in five easy steps with the help of an installer.
-
- Install the external Wideband Directional Antenna.
- Install the indoor Wideband Indoor Omni Antenna.
- Mount the CEL-FI GO G41 unit near a power outlet.
- Connect the antennas to the unit (10m cables included).
- Finally plug in the CEL-FI GO G41 and monitor/optimise using the WAVE App.
Perfect Coverage. Every Network. Every Device
Compatible with all the leading Irish and UK carriers, enhances connectivity for every cellular device – from smartphones and tablets to routers and modems – ensuring clearer calls, faster data and uninterrupted productivity.
Controlled Remotely Wave Portal
CEL-FI Wave AppActivate, Optimize, and Manage CEL-FI products with the CEL-FI WAVE App
CEL-FI WAVE is the software application used for registering, setting-up, remotely monitoring, and updating CEL-FI products.
It provides a glance-able view to the state of your CEL-FI environment and includes:
- A dashboard overview of all your systems
- Real-time data and performance metrics
- Easy activation and registration
- Operator changeover if you switch your network
- Software update management
- Users and group management
The CEL-FI WAVE App is available for iOS, Android, PC and Mac devices.
*This unit supports multiple networks however only one network can be used at a time. The WAVE App can be used to switch between mobile networks.
How does CEL- FI Go G41 Signal Booster work?
Description
CEL-Fi GO G41 Reliable and powerful Indoor Mobile Signal Booster for Homes & Businesses in Ireland
The CEL-Fi GO G41 CEL-FI GO G41 Indoor Mobile Signal Booster Ireland For Home/Office with Patchy indoor Signal is a reliable and powerful next-generation, carrier approved indoor mobile signal booster ireland engineered to improve weak 3G, 4G, and 5G coverage inside homes, offices, and commercial buildings across Ireland. Delivering up to 100 dB of gain the highest allowed under ComReg regulations the G41 provides powerful, reliable mobile connectivity without causing interference or affecting network performance.
Designed specifically for buildings that have outdoor reception but patchy, inconsistent, or unusable indoor signal, the GO G41 Indoor Mobile Signal Booster Ireland ensures stronger voice clarity, faster data speeds, and stable connectivity throughout any space.
High-Performance Coverage for Homes & Businesses
This Indoor Mobile Signal Booster Ireland smart booster covers up to 1,500 m² using the included outdoor donor antenna and indoor broadcast antenna. For larger properties or complex layouts, the system can be expanded with multiple indoor antennas, making it ideal for:
- Large homes & rural houses
- Multi-floor offices & commercial units
- Warehouses & distribution centres
- Farm buildings & workshops
- Small manufacturing sites
- Retail premises & hospitality venues
With its modular design and upgrade options, the G41 Indoor Mobile Signal Booster Ireland offers one of the most flexible indoor coverage solutions on the Irish market.
How the CEL-Fi G41 Works
- The outdoor antenna captures strong external mobile signal from the nearest mast.
- The CEL-Fi G41 booster amplifies and intelligently balances the signal for maximum performance.
- The indoor antenna broadcasts a strong, stable mobile signal throughout your building.
This creates a reliable indoor network, giving you clearer calls, faster downloads, better browsing, and consistent connectivity—no matter where you are inside the property.
Single-Network, Maximum-Gain Boosting
The CEL-Fi GO G41 boosts one mobile network of your choice (Vodafone, Three, Eir, etc.) across all frequencies—2G, 3G, 4G, and 5G voice/data.
This ensures:
- Maximum boosting power
- Superior network protection
- Full compliance with Irish regulations
If your building requires multi-network coverage, alternative systems are available—just ask and our expert team can advise.
Perfect for Buildings With Patchy Indoor Reception
This model is ideal when you have good outdoor signal but experience:
- Dead zones inside
- Weak indoor data speeds
- Call drops in rooms
- Signal that only works near windows
- Metal, concrete, or insulated walls blocking reception
The CEL-Fi G41 solves all of these issues instantly, bringing strong mobile coverage where it’s needed most.
Fully Legal & ComReg-Approved for Ireland
The CEL-Fi GO G41 is 100% legal for use in Ireland.
Unlike generic repeaters—which are illegal to operate—CEL-Fi boosters are:
- Carrier-approved
- Network-safe
- Designed with advanced interference protection
- Fully compliant with ComReg regulations
When purchased from an authorised Irish supplier, the G41 is approved for nationwide use and guaranteed safe for Irish networks.
Features
- 100 dB max signal gain covering an area 1,500 m2 per system
- Boosts 3G / 4G / 5G for voice and data simultaneously
- Available for EIR, Vodafone, Three and all Mobile Virtual Network Operators
- Can easily switch between mobile networks via the CEL-FI WAVE app
- Quick and easy setup and installation
- Remote monitoring and management with the CEL-FI WAVE app
- Smart Signal Booster with IntelliBoost® Chipset – Unconditionally Network Safe
- Licence-exempt and fully meets Ofcom’s UK Interface requirement 2102 (IR2102) (UK) and ComReg S.I.No.283 of 2018 (Ireland)
Product Specifications
What's in the Kit?
Frequently Asked Questions
WHAT DOES A MOBILE PHONE SIGNAL BOOSTER DO?
It’s a device that boosts your current weak 2G 3G 4G AND 5G signals and then delivers the stronger signal to your cell phone.
HOW DOES IT WORK?
Outside Antenna: Pulls in the existing signal from the cell tower and sends it to the amplifier.
Amplifier: Boosts that signal multiple times and sends it to the inside antenna.
Inside Antenna: Broadcasts the boosted signal to the area in need.
WILL THIS WORK WITH MY MOBILE PHONE
Yes. Cell phone signal boosters work with all mobile phones that use any variation of 3G,4G, 5G.
DOES THIS WORK WITH MY SERVICE PROVIDER?
Yes. Our boosters work with all major Irish carriers in Ireland (Vodafone, Eir, Three, Lyca, Tesco, 48 Mobile, Clear Mobile, sky and Virgin.). For a more thorough list please email us at [email protected]
WHAT IS MY CELL PHONE CARRIER’S FREQUENCY?
For a complete explanation of frequencies and a simple chart, see our Frequencies by Provider article.
WHAT TYPE OF SIGNAL BOOSTERS ARE THERE?
Cell phone signal boosters generally come in two categories: for buildings such as homes and offices and for vehicles such as cars, Trucks and boats.
IS THERE A SIGNAL BOOSTER FOR MY PARTICULAR NEED?
Yes of course
There are signal boosters for all different needs for homes and for All Vehicle types, Caravans and Yachts, and they improve 2G 3G & 4G LTE and 5G signals inside the buildings and inside Yachts, all vehicle types. Although you may get some coverage outside the building, they are not designed for this purpose. They are generally fixed installations and powerful performers.
Signal boosters for cars, trucks, and boats boost 2G 3G & 4G LTE and 5G signals inside your vehicle. Some units can be used indoors with additional accessory kits.
Whether you’re looking for something affordable, commercial-grade, or custom, we provide a variety of solutions. Start with our Buyer’s Guide to get our best recommendations.
Is the HiWay-5S Vehicle booster easy to installed ?
Yes it DIY device and its user friendly and easy to install. but if you are having problem while trying to DIY, do not hesitate to contact us for remote advice on installation completion.
Reviews
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- 100 dB max signal gain covering an area 1,500 m2 per system
- Boosts 3G / 4G / 5G for voice and data simultaneously
- Can easily switch between mobile networks via the CEL-FI WAVE app
- Quick and easy setup and installation
- Remote monitoring and management with the CEL-FI WAVE app
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CEL-Fi GO G41 Reliable and powerful Indoor Mobile Signal Booster for Homes & Businesses in Ireland
The CEL-Fi GO G41 CEL-FI GO G41 Indoor Mobile Signal Booster Ireland For Home/Office with Patchy indoor Signal is a reliable and powerful next-generation, carrier approved indoor mobile signal booster ireland engineered to improve weak 3G, 4G, and 5G coverage inside homes, offices, and commercial buildings across Ireland. Delivering up to 100 dB of gain the highest allowed under ComReg regulations the G41 provides powerful, reliable mobile connectivity without causing interference or affecting network performance.
Designed specifically for buildings that have outdoor reception but patchy, inconsistent, or unusable indoor signal, the GO G41 Indoor Mobile Signal Booster Ireland ensures stronger voice clarity, faster data speeds, and stable connectivity throughout any space.
High-Performance Coverage for Homes & Businesses
This Indoor Mobile Signal Booster Ireland smart booster covers up to 1,500 m² using the included outdoor donor antenna and indoor broadcast antenna. For larger properties or complex layouts, the system can be expanded with multiple indoor antennas, making it ideal for:
- Large homes & rural houses
- Multi-floor offices & commercial units
- Warehouses & distribution centres
- Farm buildings & workshops
- Small manufacturing sites
- Retail premises & hospitality venues
With its modular design and upgrade options, the G41 Indoor Mobile Signal Booster Ireland offers one of the most flexible indoor coverage solutions on the Irish market.
How the CEL-Fi G41 Works
- The outdoor antenna captures strong external mobile signal from the nearest mast.
- The CEL-Fi G41 booster amplifies and intelligently balances the signal for maximum performance.
- The indoor antenna broadcasts a strong, stable mobile signal throughout your building.
This creates a reliable indoor network, giving you clearer calls, faster downloads, better browsing, and consistent connectivity—no matter where you are inside the property.
Single-Network, Maximum-Gain Boosting
The CEL-Fi GO G41 boosts one mobile network of your choice (Vodafone, Three, Eir, etc.) across all frequencies—2G, 3G, 4G, and 5G voice/data.
This ensures:
- Maximum boosting power
- Superior network protection
- Full compliance with Irish regulations
If your building requires multi-network coverage, alternative systems are available—just ask and our expert team can advise.
Perfect for Buildings With Patchy Indoor Reception
This model is ideal when you have good outdoor signal but experience:
- Dead zones inside
- Weak indoor data speeds
- Call drops in rooms
- Signal that only works near windows
- Metal, concrete, or insulated walls blocking reception
The CEL-Fi G41 solves all of these issues instantly, bringing strong mobile coverage where it’s needed most.
Fully Legal & ComReg-Approved for Ireland
The CEL-Fi GO G41 is 100% legal for use in Ireland.
Unlike generic repeaters—which are illegal to operate—CEL-Fi boosters are:
- Carrier-approved
- Network-safe
- Designed with advanced interference protection
- Fully compliant with ComReg regulations
When purchased from an authorised Irish supplier, the G41 is approved for nationwide use and guaranteed safe for Irish networks.
- 100 dB max signal gain covering an area 1,500 m2 per system
- Boosts 3G / 4G / 5G for voice and data simultaneously
- Available for EIR, Vodafone, Three and all Mobile Virtual Network Operators
- Can easily switch between mobile networks via the CEL-FI WAVE app
- Quick and easy setup and installation
- Remote monitoring and management with the CEL-FI WAVE app
- Smart Signal Booster with IntelliBoost® Chipset – Unconditionally Network Safe
- Licence-exempt and fully meets Ofcom’s UK Interface requirement 2102 (IR2102) (UK) and ComReg S.I.No.283 of 2018 (Ireland)
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Pat O’Shaugnessy –
WaveBoosters.ie sorted my coverage in no time. The signal is much much better now. Grand job from start to finish. Highly recommend.
Siobhán Doyle –
Delighted with the booster. Went from barely a bar to full coverage. Fair play to the team—first class service.