Cel-Fi DUO+ Signal Booster for T-Mobile 4G LTE Model # D32-2/4/12, SKU 590ND32GWUS1TMUS1BG or 590ND32GWUS1TMUS1BG1 (New, Stock A), UPC 697691004228. Item name: 31-D32-2/4/12. This cellspot signal booster is similar to branded Tmobile Wireless Router Personal Cellspot WiFi model. This Cel-Fi branded Cell Spot for T Mobile does not require broadband home Internet service for it to work. Nextivity Cel-Fi DUO+ Smart Signal Booster for T-Mobile.

Are you tired of dropped calls, poor voice quality, and dead zones when using your T-Mobile phone in your home or business? Are you in an area that commonly experiences low coverage, where you're lucky to get two or three bars on your phone at a time? For T-Mobile customers, the solution is here: T-mobile DUO+ signal booster. Subscribers are now able to boost their network signals with the launch of the Cel-Fi DUO Plus.

All you need is one bar, and this celfi tmobile smart signal booster designed for use on 4G LTE (including VoLTE) and UMTS networks, will allow you to boost your signal to five bars with ease. Dulled indoor network experiences that result from network signals hitting walls will now be a thing of the past, with the FCC approved 100dB boost providing up to 13,000 ft. of coverage with every unit.

The Nextivity Cel-Fi DUO+ Smart Signal Booster for T-Mobile is small and compact, packed with features, and requires minimal setup. This cel fi t mobile kit is a plug and play booster - all you need to do is place the CelFi Tmobile window unit and them the coverage unit where you need the most coverage. Both will configure themselves and communicate as needed. There is no extraneous cabling or antennae. The DUOPlus also offers boosting for UMTS/WCDMA voice signals on the T-Mobile network, and uses patented echo-cancellation algorithms for stronger, clearer signals. Therefore, triple band boosting on frequencies 2 (1900MHz), 4 (1700/2100MHz), and band 12 can occur simultaneously.

The Cel-Fi DUO Plus is made up of two separate units. The window unit captures signals from the closest T-Mobile cell tower within range and sends it inside the building, where the coverage unit then takes over by providing boosted signals in the surrounding home or business. Automatic channel selection feature on the 5 GHz link makes sure there’s no interference with Wi-Fi routers, cordless phones, baby monitors etc.

The CelFi DUO comes with one (1) Network Unit, one (1) Coverage Unit, two (2) Power Supplies, two (2) Mounting Brackets and a Quick Start Guide. Cel-Fi DUO+ warranty period is two years from the date of purchase.

These work for all cellular devices on T-Mobile network and of course for the T-Mobile MVNO's (Mobile Virtual Network Operators) that resell services on the same network including the following:

1. Aeris Communications Inc.
2. Boom Mobile.
3. campusSIMs.
4. Cellular Abroad.
5. Consumer Cellular.
6. China Telecom Americas (CTExcel).
7. GoSmart Mobile.
8. Infinium Wireless.
9. Jaguar Mobile.
10. Jolt Mobile.
11. KidsConnect.
12. Liberty Wireless.
13. LycaMobile.
14. MetroPCS.
15. Mint SIM.
16. Mobal.
17. Net10 Wireless.
18. NTT DoCoMo USA.
19. OTG Mobile.
20. Project Fi.
21. Proven Wireless.
22. Red Pocket Mobile.
23. Republic Wireless.
24. Simple Mobile.
25. Speed Talk Mobile.
26. Straight Talk.
27. Telcel América.
28. Tempo Telecom.
29. The People's Operator USA.
30. Ting.
31. TracFone.
32. Ultra Mobile.
33. Univision Mobile.
34. US Mobile.
35. UVA Mobile.
36. UWT Mobile.
37. Value Wireless.
38. Walmart Family Mobile.
39. ZingPCS.
40. ZIP SIM.

Note: 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. Cel-Fi manufacturer requires returns be in mint condition or will incur re-stocking fee of 25%. Please ensure that if this brand product item has to be returned, it must be received in mint, resaleable condition. Thank you very much.