weBoost Installed Office 300 – Professional Installation Included | 479047
$3,799.99Unit price /Unavailable
Best Cell Phone Boosters for Metal Buildings
Metal buildings are tough on cell signals, but the right booster can make all the difference. Below, we’ve highlighted three of the best options, each with its own strengths depending on your specific needs. Whether you’re focusing on boosting a single carrier or need coverage for multiple networks, these boosters are designed to handle the unique challenges of metal structures.

1. Cel-Fi G41: Best for Maximum Signal Strength with One Carrier
Why It’s Great: If your metal building is causing serious problems with cell signal, the Cel-Fi G41 Signal Booster is a powerhouse that can really make a difference. Metal walls and roofs are notorious for blocking signals, but the G41 is designed to push through these challenges. As a single-carrier signal booster, it’s allowed to be more powerful than multi-carrier boosters, which is a huge advantage when you’re trying to get better coverage inside a metal structure. Even if you’re dealing with a weak outside signal, the G41 can amplify it enough to give you solid coverage throughout your building.
Key Features:
- Unmatched Power: The G41 is built to boost one carrier at a time, which means it can focus all its energy on delivering a stronger and more reliable signal. In a metal building, where signal interference is common, this extra power is crucial. With a weak outside signal, it can cover up to 3,000 square feet. If you’ve got a stronger signal outside and use multiple inside antennas, you can extend that coverage up to 15,000 square feet.
- Flexible Antenna Options: You can choose from three types of outside antennas—directional, high-gain LPDA, or parabolic grid—depending on where your building is located and how strong the outside signal is. Inside, you can connect up to four antennas, choosing from a dome, a panel, or an ultra-thin antenna to distribute the boosted signal where you need it most.
- Smart App Integration: The G41’s app is particularly handy for metal buildings. It provides detailed metrics about the signal strength and quality, helping you to fine-tune your setup. The app’s intelligent antenna aiming tool is a real lifesaver when it comes to getting the best possible signal in challenging environments.
Who It’s For: The G41 is ideal if your metal building is in a location with a weak outside signal and you need maximum coverage inside. It’s perfect for workshops, warehouses, or any metal structure where one carrier’s signal is all you need. However, if you need to boost multiple carriers, you might need multiple G41 units or consider a multi-carrier option like the weBoost Office 200.

2. weBoost Office 200: Best for Multi-Carrier Coverage in Large Areas
Why It’s Great: The weBoost Office 200 Signal Booster is a solid choice if your metal building needs to support multiple carriers. Metal buildings can be tough on signals from different networks, but the Office 200 is up to the challenge. It’s designed to pull in weak signals from outside, amplify them, and provide reliable coverage across large areas—even in buildings with metal walls and roofs that typically block signals.
Key Features:
- Multi-Carrier Capability: In a metal building, where different people might be using different carriers, the Office 200’s ability to boost signals for all major networks simultaneously is a major plus. Whether it’s Verizon, AT&T, or any other carrier, this booster ensures that everyone stays connected, even in challenging conditions.
- Wide Area Coverage: The Office 200 can cover up to 2,000 square feet with a weak outside signal and up to 20,000 square feet with a strong outside signal and multiple inside antennas. This makes it ideal for large metal buildings like warehouses, manufacturing facilities, or spacious workshops where coverage needs to be consistent across a wide area.
- Flexible Antenna Options: Depending on your building’s layout and location, you can choose from directional, omni-directional, or high-gain LPDA outside antennas to capture the best possible signal. Inside, you can connect up to four antennas—ultra-thin dome, standard dome, or panel—to ensure the signal reaches every corner of your building.
- User-Friendly Features: The Office 200 comes with an LCD display that helps you monitor the booster’s performance, making installation and troubleshooting easier. This is particularly useful in metal buildings, where getting the setup just right can be a bit more challenging.
Who It’s For: The Office 200 is the go-to solution for large metal buildings where multiple carriers need to be boosted. It’s the perfect amplifier for large commercial buildings, warehouses, or any large metal structure where reliable, multi-carrier coverage is essential.

3. weBoost Office 300 Installed: Best for Hassle-Free Professional Setup
Why It’s Great: If you want to make sure your metal building has strong, reliable signal coverage without the hassle of doing it yourself, the weBoost Installed Office 300 is an excellent option. This booster offers the same robust multi-carrier coverage as the standard Office 300 but with the added benefit of professional installation. Metal buildings can be tricky, so having a pro set everything up can save you time and ensure that your system is optimized from the start.
Key Features:
- Professional Installation: Metal buildings can pose unique challenges when it comes to signal boosting, so having a professional handle the installation ensures that everything is done correctly. The experts will optimize the placement of your antennas and adjust the system to get the best possible performance.
- Multi-Carrier Support: Just like the standard Office 200, this booster supports all major carriers, making it ideal for buildings where different people need to stay connected on different networks. Whether it’s a busy warehouse, a manufacturing facility, or a large office within a metal structure, this system will keep everyone connected.
- Wide Area Coverage: It provides coverage of up to 2,000 square feet with a weak outside signal and up to 20,000 square feet with a strong outside signal, using multiple inside antennas. This is perfect for large metal buildings where you need consistent, reliable signal throughout.
Who It’s For: The Office 300 is perfect for businesses or large properties in metal buildings that require multi-carrier coverage without the hassle of DIY installation. It’s ideal for those who want peace of mind knowing that their system is set up for optimal performance by professionals.