10 Best Cell Boosters 2026 in the United States

The CEL-FI GO G41 is a powerful cell phone booster designed for home use, offering coverage up to 15,000 square feet, which is excellent for large houses or multi-level homes. It supports 4G and 5G signals across major US carriers including AT&T, Verizon, and T-Mobile, making it very versatile. One of its standout features is the high gain of 100 dB, which means it amplifies signals much more strongly than many competitors—enough to cover an entire home with one device rather than needing multiple boosters. It also uses an advanced 4th generation chipset that is future-ready for 5G enhancements coming soon, ensuring your signal remains fast and reliable.

The included antenna kit, with two dome and two panel indoor antennas plus one outdoor antenna, gives some flexibility for optimizing signal reception and distribution inside the house. Installation is moderately involved, as it requires mounting the outdoor antenna and placing indoor antennas strategically, so some DIY comfort is helpful. The unit is FCC certified, so it meets regulatory standards for safety and signal interference.

A consideration is that the booster is fairly heavy and bulky, which could be important if space or ease of setup is a priority. The CEL-FI GO G41 is a strong choice if you want reliable, whole-home signal improvement with future-proof technology, especially in areas with weak outdoor signals.

The HiBoost Cell Phone Signal Booster offers substantial benefits for those needing improved cellular signal strength in areas up to 3,000 square feet. This device supports 4G and 5G signals across multiple frequency bands (12/17, 13, 5, 2/25, 4), making it compatible with major U.S. carriers like T-Mobile, AT&T, and Verizon. Users can expect up to 65dB of gain, which means fewer dropped calls, better voice quality, and faster internet speeds.

This booster is particularly suitable for homes, offices, garages, and even remote areas or metal buildings. However, it's crucial to check for at least 1-2 bars of signal strength outside your location before purchasing, as the booster amplifies existing signals and cannot work with no signal at all. The product includes two types of indoor antennas: a panel antenna for larger spaces and a whip antenna for more mobile applications. This flexibility allows for customized installation to suit different needs.

The HiBoost App further simplifies the setup process by helping locate the best signal direction and offering remote monitoring and tech support. Additionally, the product comes with a three-year warranty and a 30-day money-back guarantee, ensuring peace of mind for buyers. A potential drawback is the need for some signal availability outside for the booster to function effectively. Moreover, the booster does not support hotspot devices. Despite these limitations, the HiBoost Cell Phone Signal Booster presents a reliable solution for enhancing cellular signal strength in various environments.

The HiBoost cell phone signal booster is designed to improve indoor cell coverage over a large area, up to about 5,500–6,000 square feet, which is enough for a typical home or small office. It supports all major US carriers and works on multiple frequency bands, including common 4G LTE and some 5G bands via Dynamic Spectrum Sharing. This makes it suitable for most users looking to reduce dropped calls and boost data speeds indoors. The booster offers a strong maximum gain of 65 dB, which helps in capturing weaker outdoor signals and amplifying them well inside. Supporting multiple users simultaneously, it fits households or offices with several devices connected.

Installation is straightforward, aided by a clear LCD screen and a dedicated mobile app that guides you step-by-step and provides remote monitoring, which is a big plus if you want to make sure the booster is working optimally. The kit includes all necessary components and avoids complicated wiring or drilling, making setup less intrusive. It is FCC approved, ensuring it meets regulatory standards and safely boosts signals without interfering with carriers.

It is important to note that the 5G support relies on carriers deploying 5G within existing 4G bands, so pure standalone 5G bands may not be fully covered. Additionally, while the coverage is quite large, if your space is unusually big or has many thick walls, the signal might not reach every corner equally. This HiBoost model represents a solid choice for those wanting to enhance cellular signal in a medium to large home or office with an easy installation process and reliable carrier compatibility.