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Wilson Sleek 4G Universal Signal Booster - 813426 [700V/700A/800/1900/1700/2100mhz]

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Item Number: 4025



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This model is discontinued and is no longer available. See the other Sleek models

Fast Facts About This Product:

  • This repeater kit is best for: Users who need to boost signal to one phone or hotspot (like the MiFi/Jetpack) in a car, truck, or SUV (can be used indoors with accessory kit - sold separately) and want to be able to use their Sleek with devices on virtually ANY network.
  • All-in-One Kit? YES
  • Compatibility: This amplifier supports 700mhz/800mhz/1700mhz/1900mhz/2100mhz networks (which includes most 2G, 3G, and 4G providers in the US). Supported carriers/networks include:
    • Verizon 2G/3G/4G/AWS
    • Sprint 2G/3G/4G LTE (NOT 4G WiMAX)
    • AT&T 2G/3G/4G/LTE
    • US Cellular 2G/3G/4G
    • Datajack and Virgin Mobile 3G
    • T-Mobile 3G/4G
    • MetroPCS 3G/4G
    • Does NOT work with WiMAX (Sprint/CLEAR 4G) or Nextel/I-Den
    • For other carriers, confirm which frequency your provider is using and make sure this antenna supports it before purchasing! Contact us if you need any assistance.

Do a site survey before buying this amplifier! If you're purchasing this to use in just one location, we strongly recommend doing a site survey first to determine whether the amplifier will help your signal and performance and to give you an idea of what kind of results you can expect from it. Start here: Will an Antenna/Amplifier Help Me?

If your signal is extremely poor (-108db or worse), an amplifier may not help you. There must be some usable signal available for the amplifier to boost for it to be effective.

Now there’s a mobile signal booster that works with virtually EVERY network – the Sleek 4G from Wilson Electronics. This powerful signal booster helps you stay connected by providing a strong reliable signal in weak-signal areas, reducing lost connections and speeding data rates. It boosts both voice and data communication – making it perfect for phones and wireless hotspots.

The Sleek 4G works with all devices on most conventional 2G, 3G, and 4G networks in the US and many more around the world. Wilson signal boosters feature cell site protection technologies refined over more than a decade of research and development. Optional indoor accessory kit (sold separately) allows use at home or in the office. FCC type accepted.

How it works: The magnetic mount antenna picks up the cellular signal and sends it through the cable to the cradle amplifier. The signal is then boosted and pushed out to the phone or device sitting in the cradle.

Installation diagram:

not to scale. representative graphic only (appearance of actual components may vary)

Installation notes:

  • The magnetic mount antenna MUST be connected to something magnetic or it will not work! If you're using the Sleek in a car/truck, you can simply stick it on the roof of the vehicle. For home use, we recommend buying the indoor accessory kit (sold separately), which includes a window mount that provides a magnetic base for the antenna.
  • Your phone or hotspot must be in the cradle to benefit from the signal boost.
  • For more details, you can download the installation manual (PDF)


  • Boosts 3G & 2G cellular signals on 800 MHz & 1900 MHz, 4G signals on 700mhz (you must set the Sleek to either Verizon LTE or AT&T/US Cellular LTE), and AWS signals on 1700/2100mhz
  • Boosts both voice and data communications
  • Provides a strong, reliable signal in weak signal areas
  • Faster, cleaner 3G & 4G data transfers
  • More than 20 times the power of your cell phone alone
  • Simple DIY installation
  • Extends battery life – amplifier enables phone to work at reduced power
  • Simplifies hands free operation
  • Installs in minutes – no special tools required
  • Package includes everything needed -- plug-and-play
  • Attractive, compact design
  • Adjustable arms to fit most any phone/hotspot (accommodates devices up to 3.25" wide)
  • Secondary USB port allows you to charge your phone or hotspot through the Sleek (using your USB charging cable - connect your charging cable to the USB port on the side of the Sleek and plug it into your phone/hotspot and your device will charge while it's in the Sleek!)

The Wilson Electronics Sleek amplifier kit includes:

  • Sleek™ all in one cradle amplifier
  • 4" mini magnet-mount antenna w/ 12' cable
    • Other antennas can be used with the Sleek if you prefer. If you already own an antenna and you'd like to use it with the Sleek, you'll just need an adapter to connect your cable to the Sleek (if your cable ends in FME/Female, you'll need the FME/Male to SMA/Male Connector; if your cable ends in N/Male you'll need the N/Female to SMA/Male Connector)
  • Cigarette lighter power adapter (Use only with supplied cigarette lighter power supply. AC power supply available separately in the home/office accessory kit)
  • USB power cable
  • Installation guide
  • Limited one-year product warranty


Part Number 813426
Frequency 698-746 MHz / 746-787 MHz / 824-894 MHz / 1850-1995 MHz / 1710-2155 MHz
Power output for single cell phone (uplink) dBm

700mhz (band 12/17):

  • Uplink: 27.9
  • Downlink: 3.1

700mhz (band 13):

  • Uplink: 28
  • Downlink: 3.6


  • Uplink: 28.6
  • Downlink: 2.4


  • Uplink: 26.6
  • Downlink: 9.2


  • Uplink: 28.2
  • Downlink: 9.4
Gain 20dB / 26dB
Noise Figure 3.0 dB nominal
Flatness ±4dB
Power Requirments 5V DC
Antenna Connector SMA Female
Dimensions 2.25 x 4.25 x 2.5 (inch) 5 x 9.5 x 5.6 (cm)
Weight 2.5 (oz) / 0.07 (kg)

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All Reviews (3)

Only customers who bought this item from 3Gstore can write a review - these are all verified 3Gstore purchases

Date Added: 03/16/2014 by Larry W. (San Marcos, TX)
I am giving 4 stars as my use has been limited to this point but I am very happy with the unit. The included mounts work well with my Galaxy S4. I have only used the unit on the Verizon network with the factory antenna and I am getting a 20 dBm boost of signal on the 2G, 3G and 4G LTE networks. I am looking forward to trying it with my 9 db trucker antenna after I get the connection adaptors. I RV boondock in fringe area's and have used a hardwired booster on 3G area's for years but unfortunately the new phones cannot be used on that type of amp. The true test will come when we travel next year and I have a chance to use it on the road.

Date Added: 02/20/2014 by Brian S. (Janesville, WI)
Good price point. Works well. Dead zones in my area have been significantly reduced.

Date Added: 08/13/2013 by Benjamin B. (Diamond, MO)
I bought this back in May of this year. Now that I have used it daily in my office at home and in my truck. It brought in the 4G signal that I could not get without this. It came with a antenna for the car, but had to purchase a roof antenna for the house. Also found myself a tripod antenna mount and used a 10 foot pole for the best signal, or I should say a stronger signal. Although I did not have to go up that high, I had signal at roof level. Works like a charm but wish I could have afford the whole house amp, but that was way more that I wanted to spend. With the cradle, your phone or data card has to be in the cradle to work and it just sits on my desk. Not something you can pick up and move around, so keep that in mind. Overall, it does what it's suppose to do and it gets 5 stars. Sure beats 3g. I can drive down about one mile to get 4g with my stock Sprint Galaxy S3 and get 25mbps downloads and 10 mbps uploads with the phone by itself. Here at the house using the cradle, I get around 9mbps up and down. Hope that helps anyone that's looking.

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Questions & Answers

Will this work with a protective case such as the Otter on the Tough Skin?
Why do I need a magnetic base for the antenna?

Wilson Electronics provides a two-year warranty on all of their products.

 We recommend downloading the installation manual (PDF) before ordering.

Purchasing this product gets you access to the following exclusive 3Gstore resources:

Sleek Installation Guide 02/28/2013

If you already purchased this item from 3Gstore, Log In to the support portal to access these downloads.
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