Cel-Fi GO G41 review
Nextivity Cel-Fi GO G41 Smart Signal Booster (1 indoor antenna)
By Tom Calder
A 'smart' booster that amplifies just one carrier, which lets it boost far more (up to 100 dB) than an all-carrier booster. You pick the carrier in an app. The pick for a large home or office where everyone uses the same carrier.
- Best for
- The strongest boost for one carrier
- Skip it if
- Your household uses different carriers
as of Nov 14, 2026, 5:36 PM ET · Details
Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on Amazon.com at the time of purchase will apply to the purchase of this product.We earn a commission if you buy through the retailer links on this page. It doesn't change our verdict. How we make money →
Researched, not used. We haven't used this product. This review is built from the maker's specifications, owner reports and our own sizing.
What we like
- Up to 100 dB
- Covers big spaces with more antennas
- Carrier can be switched in the app
Worth knowing
- One carrier at a time
- App needed for setup
- Antenna count decides coverage
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Who shouldn't buy this
Don't buy it if your household uses different carriers: an all-carrier booster like the weBoost Home MultiRoom suits you.
Key specs
| For | Home or office, one carrier |
| Coverage (maker's best case) | Depends on antennas (retailer: up to 20,000 sq ft) |
| Max gain | 100 dB |
| Carriers | One carrier at a time, set in app |
This is a Researched review: we haven't used this product. We check every specification against at least two independent sources, re-check the US price on a schedule where we can track it automatically, and say plainly who it isn't for. Commissions never change a rating.
If this isn’t the one
Best for Most homes with weak indoor signal
as of Nov 14, 2026, 5:36 PM ET · Details
Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on Amazon.com at the time of purchase will apply to the purchase of this product.
Best for Large homes and farmhouses in weak-signal areas
as of Nov 14, 2026, 5:36 PM ET · Details
Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on Amazon.com at the time of purchase will apply to the purchase of this product.
Best for A 72 dB home booster with a 3-year warranty