Cel-Fi DUO for T-Mobile LTE, 3G, and 4G Signal Boost | 951130

This Cel-Fi DUO boosts 3g, 4g and LTE signal for T-Mobile and the best part about this is the simplicity of installation, which there is none. Simply open the box, place the receiving and broadcast units in two opposite corners of the building and watch your bars raise.


  • Simple plug and play signal booster, only one of its kind . All other booster systems require installing an external antenna outside the building
  • Large area coverage upto 13,000 sq ft inside the building
  • Reduce dropped calls and improve call quality
  • Approved by T-Mobile for use on its network
  • Self learning technology reduces interference with other wireless devices in side the home or office