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  • Wilson Electronics - Sleek 4G-A - AT&T 4G Cell Phone Signal Booster for Single User
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Wilson Electronics - Sleek 4G-A - AT&T 4G Cell Phone Signal Booster for Single User

68 customer reviews
| 11 answered questions

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We don't know when or if this item will be back in stock.
  • Significantly improve your cell phone reception and data rates on all 2G & 3G networks, as well as AT&T's 4G LTE
  • Has built in cell phone charging capabilities (phone specific charging cable is not included), and an optional home/office accessories kit is available.
  • Simplifies hands free operation when used with a headset or Bluetooth device
  • Plug & Play Kit-easy installation and everything your need is in the box
  • Comes with a 30-day money-back guarantee and a one-year manufacturer's warranty and U.S. based tech support
Consumer Alert: Before use, you must register this device with your wireless provider and have your provider’s consent. Most wireless providers consent to the use of signal boosters. Although AT&T, Sprint, T-Mobile, Verizon and 90 additional carriers have already given consent for all consumers to use this device, you must still register. Some providers may not consent to the use of this device on their network. If you are unsure, contact your provider. You MUST operate this device with approved antennas and cables as specified by the manufacturer. Antennas MUST be installed at least 20 cm (8 inches) from any person. You MUST cease operating this device immediately if requested by the FCC or a licensed wireless service provider. WARNING. E911 location information may not be provided or may be inaccurate for calls served by using this device.
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Technical Details

  • Size (LWH): 6.25 inches, 2.75 inches, 7.75 inches
  • Weight: 14.08 ounces
  See more technical details

Product Description

Product Description

If you are looking for a top-of-the-line and affordable cell phone signal booster to boost your voice and data signal on any carrier, including AT&T's 4G LTE, the Wilson Electronics Sleek 4G-A is the solution. Designed to be used by a single user in a car, the Wilson Sleek 4G-A helps users reduce dropped calls and increases 4G data rates in weak signal areas by amplifying your cell phone's power up to 20 times than the phone alone. The Sleek 4G-A all-in-one cradle features a signal booster, built-in antenna, built-in mini USB charger port, and is ideal for hands free operation when used with a headset or Bluetooth device. The Sleek 4G-A features simple installation that can be completed in a matter of minutes, and can be easily moved from vehicle to vehicle. Also, the Sleek 4G-A is a great solution for data devices.

From the Manufacturer

If you are looking for a top-of-the-line and affordable cell phone signal booster to boost your voice and data signal on any carrier*, including AT&T’s 4G LTE, the Wilson Electronics Sleek 4G-A is the solution. Designed to be used by a single user in a car, the Wilson Sleek 4G-A helps users reduce dropped calls and increases 4G data rates in weak signal areas by amplifying your cell phone's power up to 20 times more than the phone alone. The Sleek 4G-A all-in-one cradle features a signal booster, built-in antenna, built-in mini USB charger port, and is ideal for hands free operation when used with a headset or Bluetooth device. The Sleek 4G-A features simple installation that can be completed in a matter of minutes, and can be easily moved from vehicle to vehicle. Also, the Sleek 4G-A is a great solution for data devices such as a MiFi or AT&T data card.

What's in the Box

Sleek 4G-A all-in-one cradle, outside vehicle magnet-mount antenna, cigarette-lighter power adapter, and installation guide.


Technical Specifications
  • Frequency:698-716 MHz / 728-746 MHz / 824-894 MHz / 1850-1990 MHz
  • Maximum Output Power:1820 milliwatts
  • Power Requirements:5V*
  • Dimensions:2.25 x 4.25 x 2.5 inches
  • Weight:2.5 oz

It's All About Power

The primary cause of dropped calls is low signal output power from the cell phone to the cell tower, which limits the phone’s ability to communicate with the tower. A typical cell phone provides merely 200 milliwatts of output power. To address this problem, the Sleek 4G-A and the included magnet-mount antenna work together to increase the cell phone’s output power by up to 20 times over using just the phone alone.

Enjoy Premium Reception and Fewer Dropped Calls

Using Wilson Electronics’ patented technology, the Sleek 4G-A amplifies signals both to and from the cell tower, increasing the power to penetrate through natural or man-made obstructions, thus enabling you to communicate where you were unable to before. Providing you with a boosted signal, it improves your phone's reception and allows for greater coverage, even when traveling in remote areas with a weak signal.

The Sleek 4G-A can be installed in minutes and requires no special tools. The kit comes with everything you need for a full installation, including a magnet-mount antenna that attaches easily to the roof of your vehicle. The antenna is then connected via cable to the Sleek 4G-A, an all-in-one cradle signal booster. The Sleek 4G-A also features an optional home and office accessory kit (product # 859970) that allows for use indoors. Once installed, the Sleek 4G-A will amplify the wireless signal of your cell phone. You'll experience fewer dropped calls, clearer call quality, and faster data rates. Most importantly, your phone's range will increase dramatically, allowing you to make calls from low-coverage areas.

Compatible with All* Cell Phone Models and Providers

The Wilson Sleek 4G-A is compatible with all U.S. cellular providers for 2G and 3G services including CDMA, TDMA, GSM, and AMPS cell phone technologies, as well as data protocols such as GPRS, 1xRTT, HSDPA. The kit is also designed to boost AT&T’s 4G LTE.


Product Details

  • Product Dimensions: 6.2 x 2.8 x 7.8 inches ; 14.1 ounces
  • Shipping Weight: 13.6 ounces
  • Domestic Shipping: Item can be shipped within U.S.
  • International Shipping: This item is not eligible for international shipping. Learn More
  • ASIN: B003NQ2REK
  • Item model number: 815326
  • Average Customer Review: 4.4 out of 5 stars  See all reviews (68 customer reviews)
  • Amazon Best Sellers Rank: #219,745 in Cell Phones & Accessories (See Top 100 in Cell Phones & Accessories)
  • Product Warranty: For warranty information about this product, please click here

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Important Information

Legal Disclaimer
This is a CONSUMER device. Before use, you must register this device with your wireless provider and have your provider’s consent. Most wireless providers consent to the use of signal boosters. AT&T, Sprint, T-Mobile, Verizon and 90 additional carriers have already given consent for all consumers to use this device. Some providers may not consent to the use of this device on their network. If you are unsure, contact your provider. You MUST operate this device with approved antennas and cables as specified by the manufacturer. Antennas MUST be installed at least 20 cm (8 inches) from any person. You MUST cease operating this device immediately if requested by the FCC or a licensed wireless service provider. WARNING. E911 location information may not be provided or may be inaccurate for calls served by using this device. Please note, the four largest carriers, namely, AT&T, T-Mobile, Verizon and Sprint, and more than 90 regional carriers have given a blanket consent to all boosters meeting the new certification standards.

Customer Questions & Answers

Customer Reviews

Most Helpful Customer Reviews

12 of 13 people found the following review helpful By Gymnopodie on April 20, 2013
Verified Purchase
When installed properly, this unit increases cell phone signals and data for smart phones. It works very well in fringe areas. A Blue Tooth headset or ear piece is necessary but everyone should be using these devices anyway. My only complaint is that, while a Samsung Galaxy Note II will barely fit, it will not fit with a case on the phone. Wilson will need to make wider arms for the newer, larger phones.
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6 of 6 people found the following review helpful By Chris Grimmett on April 16, 2013
Verified Purchase
This booster has it all, a place for your phone to charge when you get the cord, Compact, easy installation. and great reception even here in the mountains of WV.
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4 of 4 people found the following review helpful By David T. Sawyer on July 9, 2013
Verified Purchase
I'm using this at an isolated cabin that barely gets a cell signal. With this, I can now surf the web with ease. Voice improved, but not as much as data.
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5 of 6 people found the following review helpful By jp20003 on June 25, 2013
It works great I have no problems with this phone booster. I work in the middle of no where in the oil feild and this booster made a huge differents. In how I can use my phone for phone calls and internet use thank u amazon and Wilson.
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2 of 2 people found the following review helpful By NYC reviewer on January 22, 2014
Verified Purchase
I work in an office building in NYC with no windows. At most, I get a sketchy 1-2 bars with my iPhone 5s and 4g/LTE data, but when it works it goes at a glacial speed. Without any windows as per the instructions, I wasn't quite sure the product would work. The set up was very easy and upon connecting my iPhone, to my surprise it immediately went to a stable 3 bars. The 4g/LTE data feels very responsive throughout the day even only at this amount.

Bottom line, the product works (even inside a concrete city building with no windows). The cons are the device feels bulky. As you are required to keep your phone attached to the booster, I can't quite imagine using it to talk or text for lengthy periods and the cables leave you feeling "tethered". Did a fair amount of research and this product seems like the only/most reliable booster for iPhone 5s on the market right now.
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3 of 3 people found the following review helpful By Britt Wall on April 5, 2013
Verified Purchase
The best booster I have ever used. I have tried several booster but did not work. Thank you Wilson for your booster.
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2 of 2 people found the following review helpful By Tumatanda on May 22, 2013
Verified Purchase
My initial appraisal of this signal booster is very positive. The first time I tried it was in a location where my iPhone had previously fluctuated from no signal to one bar. With the Wilson signal booster attached, I had four bars, and I was able to open websites just as fast as they open at home using the wifi from my cable modem.
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1 of 1 people found the following review helpful By AP user on April 1, 2013
I wasn't sure how well this device would work, but I needed to try something. I was having trouble finding mobile hotspots with external antenna connections. I have used mobile hotspot with external antennas for years while traveling all over, it's amazing how much better an external antenna mounted the roof of the van improves our signal over laying the hotspot on the dash without the antenna, plus we only have to pay for one internet connection for the 6 Wi-Fi enabled devices that travel with us now a days.

The need for mobile internet for the family while in motion has become a requirement on the last couple of trips. The wife has needed to log in into her work while we are traveling and the one child has online learning class that can be completed while traveling and once its done they can enjoy the trip home without having to worry about rushing to get it done when we get home, plus I never would of thought I would ever here the words from the back seat "Dad the internet is slow" Oh how the world has changed from when I was a kid looking for slug bugs or perdiddle's and asking are we there yet.

Well I decided to give this product a try and I was impressed with it. It did an excellent job at holding 5 out of 5 bars further away from the cell sites with improved data speeds. It also gained an extra 5 miles of coverage going through the mountains before running out of service and yes if there is a no service area it's still a no service area with this product, but it does make those no services area's a lot smaller. Overall when I compared this kit to the same mobile hotspot using the same roof mounted antenna, but without the kit along the same 6 hour trip every year, the Wilson Sleek for AT&T worked better then the antenna alone.
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