Need best AT&T signal booster for home, office, or building? Proven to work with all USA Carriers, SignalBooster.com offers the best home and office building AT&T cell phone booster options for the money and professional installation services by certified and experienced installers. Based on amount of square footage that requires cellular reception enhancement, a suitable bi-directional amplifier (BDA) system can help boost mobile coverage for voice and data - whether AT&T iPhone, or Android smartphone, tablet computer or mobile hotspot device.

The multiple choice drop-down menu provided above gives you the choice to select the best 3G, 4G, LTE, 5G-E wireless coverage boosting system to cover weak signal areas. Coverage can range from 2,000 sq. ft. to 100,000 sq. ft. depending upon the strength of signal outside, and the power of residential or commercial signal booster system chosen.

Please note: In addition to home and office cell signal booster for AT&T Wireless, we carry truck and car cell phone booster for AT&T. Buy both and get better reception everywhere.

Have you noticed no AT&T wireless connection in a office with walls? Building walls and walls between rooms or offices block signals. Whether for personal or for work use, cellular boosters, amplifiers, repeaters or range extenders increase reception the same for houses, offices, retail stores, business warehouses or other types of commercial properties. It is fairly easy to install with provided step-by-step instruction guide.

The prices shown are only for equipment so please contact us for certified installation cost if you need us to install for you. If within budget, we can schedule time-frame for installation anywhere within United States. When installed and used as recommended, they improve indoor cellular signal reception for multiple service provider networks including Verizon, AT&T, T-Mobile, and Sprint - at the same time.

How do building AT&T signal boosters work?

Cellular signal booster or amplifier kits consist of 3 main parts - Exterior antenna, signal amplifier, and interior antenna:

1. An exterior building antenna transmits signals from nearest cell towers into the building via coaxial cable.
2. The mobile signal amplifier amplifies or repeats those signals to multiply them many times over and then transmit them to interior building antenna(s) via coax cable(s).
3. Finally, the in-building antenna(e) distribute the strong wireless signals to poor signal areas to enhance cellphone reception considerably to enable fast 3G, 4G, LTE Internet and clear mobile phone conversations.

An important note: Since signal boosters require existing signal outside which they use to amplify and distribute within a building using a distributed antenna system (DAS), the size of boosted coverage area provided indoors is dependent to a great extent by the strength of signal available for donor (outside) antenna.

Therefore, actual coverage cannot be predicted with certainty. This is the reason why you will see that each booster kit description states, "up to" a specific amount of square footage. No booster can guarantee an exact amount of coverage it can provide. The stated coverage area in square footage, is merely an estimation.

Simple 3-Step Installation Process:

Installation is fairly easy with included step by step instructions. A brief install overview is as follows: 1) Place exterior antenna at an optimum location outside that has maximum signal strength. 2) Place interior antenna where signal is needed or lacking for convenient usage within home/office. 3) Place signal amplifier main unit near a power source, and where you can connect it to both external and internal antennas with provided coaxial cables. Set-up complete.

No synchronization or password needed:

Unlike connecting to wifi Internet hotspot or a Bluetooth connection for wireless earphones, speaker or headset, there's no need to sync AT&T cell phone to take advantage of our signal booster system.

For Wi-Fi or Bluetooth connectivity, you need to find the correct Wifi network or Bluetooth device and log in to connect by entering the correct password, if required. If you don't know the required password, you can’t connect or synchronize. And if you get a new cellular phone, you have to log in again to that wireless network or synch again with your Bluetooth devices. However, that is not the case with our AT&T signal boosters. No pairing of devices required. No logging in to connect. No need to do anything. It just works. Our AT&T booster systems are completely transparent. They work with existing signal, boosting from the tower to your mobile phone and back again. This creates an area of strong, reliable coverage in your home or office building. And that boosted signal works for any mobile device within range - automatically. No login credentials, and no password required.

How many simultaneous cell devices or users can benefit from stronger reception?

These powerful cellular amplifiers have no stated limit to the number of cellular devices that can be within the coverage range of interior antenna to get boosted signals simultaneously. However, that "no limit" number may vary or depend upon the strength of outside signal because stronger the signal outside, larger the coverage area inside, and higher the number of devices that will be encompassed in that coverage range area. Therefore, to put it simply, laws of physics will determine how many users would fit into that coverage area range. As long as the mobile device is in the coverage range, it will get stronger signal - i.e. more antenna signal bars displayed. Please note that checking signal strength in Decibels is a more precise method to check actual, realtime, signal strength received by a phone.

What are the differences between suggested in-building AT&T booster kits?

Below is a brief overview of each of the consumer or commercial signal booster provided in above drop-drop menu for your selection. What you need to know is that if signal is NOT strong outside, you must choose MORE powerful version than suggested for the square footage you need to cover, depending on how weak it is outside. We carry low powered ones for up to 2000 sq. ft. to high power AT&T signal booster for up to 100,000 sq. ft.

Up to 2,000 sq. ft.

Suggested Fusion4Home Omni/Whip kit offers max. +72 dB Gain. It has an Omni multi-directional exterior antenna. Within its amplifier, it has built-in omnidirectional Whip interior antenna making installation easier than all other kits listed below. This is the lowest price range AT&T cell phone booster for home, office, or building. Outside omni antenna makes installation easy (no need to point to nearest cell tower). In addition, it attracts signal from all carriers simultaneously. Good choice AT&T booster for mostly city and some rural or remote area conditions where outside signal is average to good. For up to 2000 sq. ft. SKU: PolyH72ORA-ATT. UPC: 697691006093. Cost: US $299.99.

Up to 2,500 sq. ft.

Suggested Flare Omni kit offers max. +72 dB Gain. It has an Omni multi-directional exterior antenna. Its interior antenna and booster is built into single unit for easier installation. This is the lowest cost AT&T cellular booster for home, office, or building. Outside omni antenna makes installation easy (no need to point to nearest cell tower). In addition, it attracts signal from all carriers simultaneously. Good choice AT&T booster for mostly city and some rural or remote area conditions where outside signal is average to good. For up to 2500 sq. ft. SKU: SCPolyDTOKit-ATT. UPC: 697691024875. Cost: US $299.99.

Up to 3,000 sq. ft.

Suggested Flare Yagi kit offers max. +72 dB Gain. It has a directional exterior antenna that can reach out farther to catch signals than omni antennas. Its interior antenna and booster has been built into single unit for easier installation. This is a low cost AT&T cellular booster for home, office, or building. Great choice AT&T booster for city as well as rural or remote area conditions where outside signal is average to weak. For up to 3000 sq. ft. SKU: SCFlare3US-ATT. UPC: 697691024882. Cost: US $379.99.

Up to 4,000 sq. ft.

Suggested Home 4K Plus kit by HiBoost offers up to +60 dB Gain max. It has a Yagi unidirectional exterior antenna, and unidirectional Panel interior antenna built right into the booster unit. Outside directional Yagi or Log-Periodic Dipole Array (LPDA) antenna makes this an excellent best choice AT&T booster for rural and remote areas. SKU: F10GI5SBTW/HPL10651-ATT. UPC: 697691004969. Cost: US $449.99.

Up to 5,000 sq. ft.

Suggested Fusion4Home Yagi/Panel kit offers max. +72 dB Gain. It has a directional exterior antenna that can reach out farther to catch signals than omni antennas. This is a medium price range AT&T cell phone booster for home, office, or building. Very good choice AT&T booster for city as well as very rural and remote area conditions where outside signal is average to bad. For up to 5000 sq. ft. SKU: PolyH72YPKit-ATT. UPC: 697691024899. Cost: US $499.99.

Up to 6,000 sq. ft.

Suggested Fusion 5s kit by SureCall provides up to +72 dB Gain maximum. It has a Yagi unidirectional exterior antenna, and omnidirectional Dome interior antenna. Outside directional Yagi or Log-Periodic Dipole Array (LPDA) antenna makes this an excellent best choice cellphone booster for rural and remote areas. SKU: SCPolysHO72YDKit-ATT. UPC: 697691004976. Cost: US $850.

Up to 7,000 sq. ft.

Suggested Connect 4G-X kit by weBoost adds up to +70 dB Gain max. It is a premium brand product of its parent company which has now discontinued a value brand called, zBoost. It has a Yagi unidirectional exterior antenna, and unidirectional Panel interior antenna. Outside directional Yagi or Log-Periodic Dipole Array (LPDA) antenna makes this an excellent best choice AT&T amplifier for rural and remote areas. SKU: 471104ATT. UPC: 697691004983. Cost: US $799.99

Up to 8,000 sq. ft.

Suggested RF Boost custom kit adds up to +70 dB Gain. It has a Yagi directional exterior antenna, and two Panel directional interior antennas. Outside directional Yagi or Log-Periodic Dipole Array (LPDA) antenna makes this an excellent best choice cell signal booster for rural and remote areas. SKU: SPEEDPRO8KAFC. UPC: 697691006710. Cost: US $429. Compare with above cell phone booster that costs $799.99 covering 1000 sq. ft. less area.

Up to 10,000 sq. ft.

Suggested Home 10K Plus kit by HiBoost offers up to +65 dB Gain max. It has a Yagi directional on-building antenna, and Panel directional in-building antenna that is built right into the booster for easier installation. Outside directional Yagi or Log-Periodic Dipole Array (LPDA) antenna makes this an excellent best choice cellphone amplifier for rural and remote areas. SKU: F15GI5SBTW/HPL12681-ATT. UPC: 697691004990. Cost: US $539.99.

Up to 15,000 sq. ft.

Suggested Pro 70 kit by Wilson Electronics (WilsonPro) provides up to +70dB Gain maximum. It has a Yagi unidirectional exterior antenna, and unidirectional Panel interior antenna. Outside directional Yagi or Log-Periodic Dipole Array (LPDA) antenna makes this an excellent best choice AT&T booster for rural and remote areas. SKU: 465134ATT. UPC: 697691005003. Cost: US $899.99

Up to 20,000 sq. ft.

Suggested Fusion 5X 2.0 kit by SureCall adds up to +72dB Gain maximum. It has a Yagi unidirectional exterior antenna, and 4 ultra-slim low-profile omnidirectional Dome interior antennas. Outside directional Yagi or Log-Periodic Dipole Array (LPDA) antenna makes this an excellent best choice cellphone booster for rural and remote areas. SKU: SCFusion5X2Y4U-ATT. UPC: 697691005010. Cost: US $1899.99

Up to 25,000 sq. ft.

Suggested Pro 70 Plus kit by Wilson Electronics (WilsonPro) provides up to +70 dB Gain max. It has a Yagi unidirectional exterior antenna, and omnidirectional Dome interior antenna. Outside directional Yagi or Log-Periodic Dipole Array (LPDA) antenna makes this an excellent best choice AT&T amplifier for remote & rural areas. SKU: 463227ATT. UPC: 697691005027. Cost: US $1199.99

Up to 100,000 sq. ft.

Suggested Force 5 2.0 kit by SureCall adds up to +72dB Gain maximum. It has a Yagi unidirectional exterior antenna, and 4 ultra-slim low-profile omnidirectional Dome interior antennas. Outside directional Yagi or Log-Periodic Dipole Array (LPDA) antenna makes this an excellent best choice cellphone amplifier for remote & rural areas. SKU: SCPolyO272Y4U-ATT. UPC: 697691005287. Cost: US $3870

In-building AT&T signal booster kit benefits:

• Enjoy clear AT&T cellphone conversations and fast 3G, 4G LTE mobile Internet everywhere within your building.
• Works on all cellular service carrier networks in United States incl. AT&T Wireless, T-Mobile, Verizon Wireless and Sprint.
• Dead zones in building? Provides good in-building wireless reception across 6,000 to 100,000 sq. ft. of indoor spaces, depending on option chosen.
• Supports multiple wireless devices such as AT&T smartphones and mobile 3G and 4G connected tablets, simultaneously.
• Relax, contact us for a turnkey installation quote.

Will these kits work with my cellular service carrier?

Yes, all of these kits are carrier-agnostic. This means that they work with all cellular providers including the following AT&T MVNOs:

Questions?

Use the "Questions & Answers" tab at the top to ask if you have any questions on how we can assist you in improving your indoor building cell-phone signal coverage. Or please contact us by emailing, using live chat, or calling us toll free.