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Wilson 815326 Sleek 4G-A Cradle Booster for AT&T & US Cellular 3G & 4G LTE [Discontinued]

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Product Details

There is a New Version of this Product

The Wilson 815325 Sleek 4G-A has been discontinued and replaced by the new and improved Wilson 460107 Sleek 4G.

Go to the new Wilson 460107 Sleek 4G


This product has been discontinued and is no longer available.
Please contact us to learn about available replacement products.

You Should Choose This Kit If

You need an all in one solution to provide boosted voice calls and 3G data plus AT&T & US Cellular 4G LTE for one phone or data device in a vehicle.  The Sleek comes with a 4 in magnetic antenna that sticks to the roof of your vehicle and includes a cable that runs in through a door and attaches to the Sleek Cradle.  It is powered using a 12V adapter that plugs into a cigarette lighter or 12V power port. 

To use the Sleek Cradle in a home or office, you'll need the Home Accessory Kit which has an AC power adapter, window mount antenna bracket, desktop cradle stand, and a convenint carrying case.

If you have multiple cell phones from different carriers, consider the Sleek 4G which can boost the 2G and 3G signals from most carriers, plus the 4G LTE signals from AT&T, Verizon, Sprint, T-Mobile, and US Cellular.

Will This Work For Me?

The Sleek Cradle signal booster is our entry level vehicle signal booster.  Being a cradle, your phone or data device does need to stay in the cradle to receive the boosted signal so you'll have to use a bluetooth headset or speakerphone to make or receive calls. The Sleek will only work with one phone at a time.

The Sleek Cradle improves the signals used for both voice calls and Internet access. In areas with a weak signal, the Sleek Cradle will reduce dropped calls, improve call clarity and increase Internet data speeds.  For even more powerful boosting, an optional 12 in magnetic mount antenna is available that will help receive a signal in areas where the signal is very weak.

Supported Carriers

All carriers that use the standard dual band frequencies (800 MHz & 1900 MHz) for voice and 3G data plus AT&T & US Cellular 4G LTE.

  • AT&T 2G/3G/4G HSPA+ (shows as 4G on your phone) & 4G LTE
  • Verizon 2G/3G
  • Sprint 2G/3G
  • US Cellular 2G/3G & 4G LTE
  • Alltel 2G/3G
  • T-Mobile 2G only in most locations
  • Major Canadian Carriers 2G/3G
  • All other carriers using 800 MHz and 1900 MHz

Included Items


There are many accessories available for the Sleek Cradle Signal Booster.  The most popular is the Home Accessory Kit for using the Sleek in a home or office.  For additional mounting options, check out our Sleek Mounts page.  To power the Sleek, you can plug it in to a computer's USB port, connect it to a Sleek Battery Pack for use while hiking, camping, or in case of an emergency, or you can use the included DC Power Adapter or the optional AC Power Adapter.  You can even charge your phone from the Sleek using the optional Micro-USB Cable, Mini-USB Cable, or iPhone Dock Connector (iPhone 4S and earlier only).

Installation Overview

Installing the Sleek signal booster is very easy and because nothing is permanent, it can be moved from one vehicle to another, or brought inside a home or office for use.

Mount the included antenna on the roof of the vehicle.  Route the attached coax cable in through a door opening.  To protect the cable, run it under the door seal. Connect the cable to the Sleek Cradle.  Then just plug in the included 12V power supply and connect it to the Sleek.  When you place your phone in the cradle, you should see a stronger signal (it may take up to 30 seconds for your phone's signal strength display to update).  If you already have a strong outside signal, you won't see any benefit from the Sleek so try it in a place where you typically have signal trouble.  For more information, check out the following video.

Additional Info
Additional Info
Manufacturer weBoost
System Type Cradle - Phone must stay in cradle to receive boosted signal
Gain # GAIN
700 MHz (Band 12 & 17): 20 dB
800 MHz: 20 dB
1900 MHz: 26 dB

Amplifier Gain Only. Does not include cables and antennas.

Coverage Area This is a cradle-based signal booster so your phone must stay in the cradle to receive a boosted signal. There will not be any coverage outside of the cradle and it only works for one phone at a time.
Impedance 50 ohm
Connectors Amplifier has an SMA-Female Outside Antenna Connector
Power Requirements 5V DC, 1A
User and Installation Manual User and Installation Manual
Model Number 2B5325
Frequency Bands 700 MHz, 800 MHz, 1900 MHz
Specific Frequency (Up/Down) 704 - 716 MHz / 734 - 746 MHz, 824 - 849 MHz / 869 - 894 MHz, 1850 - 1910 MHz / 1930 - 1990 MHz
Noise Figure 3 dB nominal
isolation > 40 dB
FCC Notice
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. 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 - AT&T, T-Mobile, Verizon and Sprint - and more than 90 regional carriers have given blanket consent for use of all boosters certified to the new FCC standards.
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