Key Specifications
Prime Delivery • 30-Day ReturnsCEL-FI GO G41 | Cell Phone Booster for Home | 4G, 5G, AT&T, Verizon & T-Mobile | Up to 15,000 Sq Ft Coverage | 100 dB Cell Phone Signal Booster | FCC Approved (2X Indoor Antenna Kit)
The CEL-FI GO G41 is a next-generation signal boosting system built for users who demand reliable cellular performance across large homes, multi-floor properties, metal buildings, and remote environments where normal boosters struggle. Offering an unmatched 100 dB gain and compatibility with AT&T, Verizon, and T-Mobile, the G41 uses advanced IntelliBoost processing to deliver dramatically improved call quality, clearer voice performance, and faster 4G/5G data speeds. This 2024 release includes a 2× indoor antenna package with both dome and panel antennas, giving you complete flexibility for custom installations. Whether you're dealing with thick walls, long hallways, dead zones, or faraway cell towers, the G41 is engineered to provide the strongest and most stable signal coverage available in a consumer booster.
Key Features
The CEL-FI GO G41 is a next-generation signal boosting system built for users who demand reliable cellular performance across large homes, multi-floor properties, metal buildings, and remote environments where normal boosters struggle. Offering an unmatched 100 dB gain and compatibility with AT&T, Verizon, and T-Mobile, the G41 uses advanced IntelliBoost processing to deliver dramatically improved call quality, clearer voice performance, and faster 4G/5G data speeds. This 2024 release includes a 2× indoor antenna package with both dome and panel antennas, giving you complete flexibility for custom installations. Whether you're dealing with thick walls, long hallways, dead zones, or faraway cell towers, the G41 is engineered to provide the strongest and most stable signal coverage available in a consumer booster.
Key Considerations
Before selecting the CEL-FI GO G41, review these key considerations to ensure it matches your coverage and installation needs: ✔ Outdoor Signal Strength Is Critical The GO G41 is extremely powerful, but like all boosters, it must have an existing outdoor signal to amplify. If your outdoor signal is weak but present, the G41’s high 100 dB gain can still deliver excellent indoor coverage. ✔ Multiple Indoor Antennas for Maximum Flexibility This kit includes two dome and two panel antennas, allowing you to choose the best configuration for your space — whether it’s open areas, long corridors, or split-level homes. ✔ Designed for Large Indoor Spaces With coverage potential up to 15,000 sq ft, the G41 is suited for: Big homes Metal shops or garages Commercial spaces Barns or outbuildings Multi-room or multi-level layouts ✔ Compatible With Major U.S. Carriers The G41 supports AT&T, T-Mobile, and Verizon networks, making it ideal for households with multiple carriers and visitors using different providers. ✔ 5G & Future-Proof Connectivity The built-in 4th gen IntelliBoost chipset supports 5G DSS now and will gain full 5G NR capability via a software update — ensuring long-term value. ✔ Professional-Level Power Requires Proper Placement Due to its strong amplification, antenna separation, cable routing, and mounting position matter. Larger homes may benefit from professional installation.
The CEL-FI GO G41 surpasses traditional boosters because of its 100 dB maximum gain, a performance level that no standard consumer booster can match. This ultra-high amplification allows the system to take even faint outdoor signals and expand them across wide indoor areas — making it ideal for large homes, metal-clad structures, rural buildings, or properties with heavy signal-blocking materials.
Another defining strength is its multi-antenna adaptability. The included dome and panel antennas give users the ability to tailor coverage precisely to their floor plan, ensuring consistent connectivity for multiple rooms and multiple users. The system can support significant data demands such as streaming, video calls, smart home devices, and hotspot use without performance instability.
Carrier flexibility is equally important. Since the G41 works with AT&T, T-Mobile, and Verizon, it serves mixed-carrier households smoothly and future-proofs your installation against carrier changes. The advanced IntelliBoost chipset continuously optimizes the boosted signal, delivering exceptional data speeds and call clarity even when tower conditions change.
Finally, the G41’s durability, FCC certification, and ongoing firmware updates ensure long-term performance and reliability. For users needing enterprise-level signal power in a home or commercial environment, the GO G41 offers unmatched coverage strength, intelligent processing, and the reassurance of a top-tier brand like Nextivity.
These factors represent the most critical aspects that will impact your satisfaction with this product.
Customer Reviews
If anything, the boost has improved on some days (making me think that environment is impacting the cell signal). Regardless, I continue to be impressed with not only the product, but with Sina and the team at the Repeater Store. BTW, had to add that Sina is not just a sales person
This product might have been among the most expensive in its category but, it also promised the highest DB game legally attainable. I've been told by several cellular phone