Open Box Discount T-Mobile Cel-Fi DUO Plus cell phone signal booster kit model number Model # D32-2/4/12 is a used and returned unit with an open box discount price. SKU: 590ND32GWUS1TMUS1BG. UPC: 697691004228.

Will it work the same as new?

Open box used T-Mobile Cel-Fi DUO Plus by Nextivity should work perfectly well just like the brand new version cellular amplifier. It saves you money simply because in many cases they have been opened by customer to perform soft installation but they chose to install another model which was more suitable for that location.

What does the purchase include?

For list of contents and all other details, please read complete product description of this model signal booster at this same model's brand new T-Mobile Cel-Fi DUO Plus product listing. You will receive 30 days money back total satisfaction guarantee. This like-new high power cellular amplifier kit performs per manufacturer's specifications, and saves you money! It is designed to work with T-Mobile carrier network.

What exactly does "Open Box" mean?

Consumer Reports states, "Typically, open-box items are goods returned by customers, inspected by the retailer, found to be in working order, and re-sold at a discount, rather than returned to the manufacturer".

Summary of Benefits.

Used Open Box Cel-Fi Smart Signal Booster for T-Mobile Talking, Texting, Data 3G, 4G, LTE Benefits:

• Used T-Mobile signal amplifier kit offers same effectiveness as the new T-Mobile Booster, but at a lower cost.
• Sold as a complete T-Mobile cell phone signal booster kit with all required parts.
• Network booster kit sets up in minutes - Easy plug & play installation.
• Internet service NOT required. Amplifier boosts existing cellular signal.
• So powerful that it amplifies weak wireless signal to up to 100 dB Gain.
• No maintenance required - Self-adjusts & reconfigures automatically.
• Improves cell phone signal strength inside homes, offices, apartments.

Note: Atleast one mobile signal bar is required in one spot indoors to amplify. The Cel-Fi Duo+ does not change between carriers via the Wave App. Only the Go-X and Go-M are interchangeable across the carriers. This has to do with the firmware makeup of these different models.

*For all Cel-Fi brand products only: 30 days return policy. Must be returned in mint condition for refund. 2 years limited manufacturer warranty for repair or replacement due to manufacturer defect(s).