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Sleek Amplifier Only, +26dB on all 3G networks - 815225

Product subtitle:

Dual-band cradle amplifier for all 3G/Edge North American networks, single-user



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Retail Price:
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$69.99 (You save $44.96)


For our Canadian customers, the Wilson 8* series will soon run out of stock. Before being replaced by the Wilson 46* series, these products were unregulated by the FCC and IC, therefore, are more powerful than today's regulated boosters.

These legacy boosters are legal and grandfathered into program, and are in very limited supply.

Up to 50% off, 30-day money guarantee, and lifetime product tech support! For all clearance sales, check out our Canadian Clearance Page.

For US customers, please consider the Wilson 460106 Sleek 3G.


Wilson Sleek 815225 Amplifier is a 3G/Edge vehicle booster designed for cars, trucks, vans, SUVs, RVs, and boats and is suitable for pairing up with a separate 12-inch antenna and optional cradle accessories. With dual band support (850/1900 MHz), the Wilson 815225 amplifier is a great performer at a great price.  This +26dB gain cradle booster combines the amplifier with the short-range interior antenna into a compact housing for a truly portable solution.  This single-user booster requires the phone to be placed directly inside the cradle (black antenna surface touching the back of phone) for hands-free only boosting.  With adjustable arm placement and semi-soft antenna cover, the Sleek cradle will securely hold any size cellphone when mounted in vertical position.  It easily installs without tools or drilling and has a multitude of mounting options available.

This is NOT a complete kit and it does NOT include a required exterior antenna.  The Amplifier-only option is most suitable for users who need a specific car, trucker, or marine exterior antenna not available in pre-built kits.  Note that all Sleek cradles require SMA-Male connecting antennas.  All FME-Female trucker and marine antennas require a separate FME-Male/SMA-Male connector to attach to SMA-Female Sleek cradles.  Also consider our pre-built Sleek kits 815226 and 815226-H, and other Vehicle Kits.


  • Supports all 3G North American carriers (824-894/1850-1990 MHz frequencies on CDMA, TDMA, GSM)
  • Works well with all major US and Canadian carriers (including Verizon, AT&T, T-Mobile, Rogers, Telus, Bell)
  • Does NOT support any 4G carriers (Verizon 4G LTE, AT&T 4G LTE, T-Mobile 4G AWS, etc.), Nextel/iDen, or WiMax
  • For 4G boosters view our 4G Building Kits, 4G Vehicle Kits, and 4G Amplifiers

Package Includes:

  • Wilson 815225 Sleek Amplifier
  • 5V DC Power Supply with 3ft USB Cable (cigarette lighter car charger)
  • 3M Adhesive flexible dashboard mount
  • 3 sets of replacable arms (small, medium, large)

Product Features:

  • Single-user cradle amplifier for hands-free calling
  • Transparent repeater system amplifies signal to & from cell tower (virtually bringing the tower closer to you)
  • +26dB gain on most 3G North American networks
  • Greatly reduces dropped calls & improves voice quality
  • Increases signal range & data speeds on 3G networks
  • Enables phones to operate more efficiently thus extending battery life
  • Adjustable cradle arms with 3 positions for each arm size set
  • Easy portable installation (non-permanent with no drilling required)
  • Plug-and-Play amplifier
  • Up to 1.8 watts of uplink power
  • Built-in safeguards against oscillation & interference (automatic shutdown with auto reset)


Frequency  824-894 MHz / 1850-1990 MHz
Gain  26 dB / 26 dB
Max Uplink Power  1240 mw / 1800 mw 
Max Downlink Power     +8 dBm 
Noise Figure  3 dB nominal 
Flatness  ±4 dB
Isolation  >40 dB
Power Requirements  5 V DC, 1A
Connectors  SMA-Female  
Dimensions  2.25 x 4.25 x 2.5 inches / 5 x 9.5 x 5.6 cm   
Weight  2.5 oz / 0.07 kg
Documentation  Installation Guide












Sleek installation is very user-friendly and shouldnÌ´Ì_ÌÎ̴̝åÈt take more than 30 minutes. Sleek amplifier systems have two separate components which need to be installed and connected: the amplifier cradle and the exterior antenna. The amplifier cradle includes both the amplifier and the interior Ì´Ì_ÌÎ̝ÌÎådirect-connectÌ´Ì_ÌÎÌÌ´å antenna in a convenient, phone-holding design.

First, install the adhesive mount in the desired vertical position of your dashboard (not on your air bag cover) and adjust the cradle arms to fit your phone. Allow 24 hours for the mountÌ´Ì_ÌÎ̴̝åÈs 3M adhesive to set before attaching the amplifier cradle to the mount. The included 5V car cigarette lighter power supply with a 3-foot USB/USB-mini cable will be used to power the amplifier. Additional 5V AC wall power supplies and 5V DC hardwire vehicle kits are available. Use the bottom mini-USB port on the cradle as the power port (so both power cable and antenna cable exit the cradle at the same angle from the bottom).

Second, install the magnet-mount exterior antenna (or optional trucker/marine antenna) in the desirable position in the center of your car roof or trunk (at least 12 inches away from other antennas and 6 inches away from windows or sunroof). The strong, rare-earth magnet will securely hold the antenna in place. The antenna cable is thin enough to feed under the door rubber seal and through the door frame.

Finally, connect the exterior antenna to the amplifier and power on the amplifier cradle. Once connected and powered, your system will boost any compatible phone/network. A green light on the side of the amplifier indicates optimal operation. A red light indicates that an automatic shutdown has taken place. This is either due to the exterior antenna and amplifier cradle being too close, or being too close to a cellular tower. The Sleek cradle systems require direct physical contact with the back of your cell phone, so you must use hands-free calling or the speakerphone on your device to benefit from the signal amplification.

The optional home/office accessory kit (included in some kits) allows for easy desktop installation and vehicle-to-building mobility. The amplifier-only option does not include an exterior antenna.
  1. super ! merci! ratings and reviews

    Posted by Line Robitaille rouyn noranda on 10th Apr 2015

    ce que je cherchais merci !

  2. Great investment ratings and reviews

    Posted by Marcus on 30th Nov 2012

    I was reaching Cell Phone Boosters and found Wilson Electronics. I've only had the cradle and home a few days but at this point it was the best investment I could have made. Were I had no bars on my phone and dropped sign regularly I know have 3 bars and great reception. Also the Team at Wilson was great at explaining the product, the customer service was the deciding factor in my purchase.

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