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  1. Cel-Fi Support
  2. General Q & A
  3. Frequently Asked Questions

Frequently Asked Questions

  • Q4 2022 EOL - Frequently Asked Questions
  • Q3 2022 EOL - Frequently Asked Questions
  • Will Cel-Fi work with my carrier?
  • Can Cel-Fi boost the signal of multiple cellular networks at once?
  • Why do I have to register my Cel-Fi?
  • How do I Register my Cel-Fi System?
  • What frequencies link the Network (Window) Unit and Coverage Unit?
  • What technologies does Cel-Fi support?
  • Once installed, will the Cel-Fi require maintenance, or adjustments if changes occur to the native cellular network?
  • How far apart can the Network (Window) Unit and the Coverage Unit be placed?
  • I’ve installed Cel-Fi but I do not see more bars on my phone.
  • Does Cel-Fi require an Internet connection or GPS signal?
  • Where can I buy Cel-Fi?
  • Why is 100 dB System Gain so important?

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