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KING Extend Pro - LTE/Cell Signal Booster

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Extend Pro - LTE/Cell Signal Booster

The KING Extend Pro - featuring our most powerful booster yet! The KING Extend Pro boosts and extends your cell signal providing greater voice and data coverage and speed for all your mobile applications.

Designed for RVs, trucks, travel trailers, ice houses, and horse trailers. Supports mutliple users and all cellular devices and carriers.


  • Supports ALL U.S. Cellular Carriers

  • Boosts Voice & Data Range

  • Use while parked or in-motion

  • 5G Ready and 4G/3G LTE Voice and Data

  • No Additional Contract and No Monthly Fees

  • Roof, Pole, and Ladder Mounting Brackets Included