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    Powerful Signal provides lifetime support on all systems and components we sell

    Powerful Signal support

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    Knowledge Base • Product Comparisons • Manuals & Documentation • Smartphone Apps • Warranty Information • Cell Signal Strength • Cellular Frequency Bands • T-Mobile Band 71 • Guide to Home Signal Boosters • Why Your Phone Drops Calls • FCC Notice for Consumer Boosters • FCC Notice for Industrial Boosters • Register Your Booster • Discontinued Products

    If you have support or troubleshooting questions, please don’t hesitate to contact us by phone, chat, or email. You can reach us at 435-634-6800 (Monday–Friday,  ᴀᴍ– ᴘᴍ Mountain Timeexternal link icon). Click here for our email address and other contact information.

    Troubleshooting Cellular Devices for Cell Signal Boosters (PDF)

    Customer Reviews