Free shipping over $99. Easy returns. Satisfaction guaranteed.

CEL-FI Cell Phone Signal Booster Kits

The Definitive Signal Booster Guide

Everything you need to know about choosing the right cell signal booster.

Read the Booster guide

CEL-FI designs innovative and powerful single-carrier cell phone signal boosters. Their systems are more powerful than multi-carrier boosters because they can only be used on one network at a time. CEL-FI offers products for homes, offices, vehicles, and large commercial buildings.