Cel-Fi (Nextivity)
Nextivity CEL-FI GO G41 Cell Signal Booster
Best high-gain signal booster for homes and small businesses.
Enhance your cellular signal with the Nextivity CEL-FI GO G41, a powerful single-carrier booster designed for small businesses and homes experiencing weak reception. This FirstNet Ready device significantly boosts 5G and 4G LTE signals for major North American carriers, providing up to 100 dB of gain and extensive coverage up to 20,000 sq ft. Effortlessly optimize performance and manage settings via the CEL-FI WAVE app through Bluetooth connectivity. It also supports custom antenna configurations for tailored coverage solutions, ensuring reliable connectivity wherever you need it.
$1499.00
More Cel-Fi GO Options
Owner Satisfaction
4.5
/ 5
Category Rank
55
/ 315
#55 in Signal Boosters
Price vs Category Average
+17%
Above average
Max System Gain
100
/ dB
Who it's for
- Remote residents struggling with extremely weak cellular reception
- Network-conscious users prioritizing carrier-approved, interference-free equipment
- Tech-forward homeowners seeking future-proof 5G network compatibility
Who should skip it
- Budget-focused shoppers looking for entry-level signal solutions
- Multi-carrier households needing simultaneous signal coverage for different providers
- Casual users wanting a simple, plug-and-play setup experience
Performance breakdown
Signal Amplification Power
Industry-leading 100 dB gain provides exceptional signal strength in dead zones.
Coverage Range
Easily blankets large homes or office spaces up to 20,000 square feet.
Network Versatility
Seamlessly handles 5G and 4G LTE across all major North American carriers.
Setup Customization
Flexible antenna configurations allow for tailored coverage in complex building layouts.
Digital Management
The WAVE app makes monitoring and optimizing performance incredibly intuitive.
Reliability Standards
FirstNet Ready certification ensures dependable connectivity for critical communication needs.
Key Specs
Max System Gain
100 dB
Coverage Area
Up to 20,000 sq ft
Max Output Uplink Power
22 dBm
Compatible Carriers
Verizon, AT&T, T-Mobile, US Cellular
Supported Frequency Bands
Band 12, Band 13, Band 25
Supported Network Technology
5G, 4G LTE
Connectors
SMA (f) Donor RF, SMA (f) Server RF
Certifications
FCC Part 15, 20, 22, 24, 27, 90; RoHS3; UL
Features
- Extends cellular coverage up to 20,000 sq ft.
- FirstNet Ready for critical communications.
- Boosts 5G and 4G LTE signals.
- Offers maximum 100 dB system gain.
- Manage and monitor via WAVE app.
- Supports multiple indoor antennas.
- Compatible with advanced antenna options.
- Switch between major carriers easily.
What customers say
Customers overwhelmingly praise the Nextivity CEL FI GO G41 for its exceptional performance in solving severe signal challenges. The core theme is its powerful ability to create reliable voice and data connectivity in previously unusable areas like rural homes or deep indoors. Users report a significant, stable increase in signal bars and data speeds, crediting the high gain technology. While performance is top tier, this premium solution demands a significant financial investment. Furthermore, achieving optimal results requires careful setup, including precise antenna aiming, which can challenge less technical users. Those who successfully install it consider the G41 a mission critical booster for maximum coverage.
Know before you buy
No, this is a single-carrier booster. It is designed to provide maximum signal gain for one specific carrier at a time, though you can switch between supported carriers like Verizon, AT&T, or T-Mobile as needed.
Cell signal boosters require an existing signal to function. If there is no usable signal outside or on the roof of your building, the G41 will not have a signal to amplify.
Yes, the G41 is engineered to support both 5G and 4G LTE technologies, ensuring you get improved data speeds and voice quality on modern networks.
The system includes the CEL-FI WAVE app, which provides guided setup and helps you optimize antenna placement via Bluetooth. While it requires mounting an outdoor donor antenna and indoor server antennas, the app simplifies the configuration process significantly.
Yes, the G41 supports multiple indoor antenna configurations. This flexibility allows you to tailor the coverage to the specific layout of your home or office, ensuring signal reaches hard-to-reach rooms.
The G41 is intended for indoor use in office or residential environments and does not carry a weatherproof rating. It should be installed in a climate-controlled area within the specified operating temperature range of 32 to 104 °F.
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$1499