Is cellular connectivity a must for your Home Office? Many people can’t afford missing “that phone call”, as their phone is a critical part of conducting business. The CEL-FI product line is the most powerful carrier-grade solution available on the market today. Whether you have just enough signal in certain spots in your home, or just signal outside; there is a CEL-FI solution for your home. Unconditionally network safe, and carrier-approved for voice and data.