“T-Mobile LTE Signal Booster Review” by Leo at LevchikB.com
► Unlocked LG G3 – $399 – http://amzn.to/1uJWFlG
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Review of call quality, and internet (4g LTE) speed inside the Brick and Concret apartment building with T-Mobile Personal CellSpot Signal Booster.
Outside Speed 10 / 3 Mbps (down/up)
Speed at the window: 6.5 / 1.25 Mbps
Speed inside (without signal booster) 3 / 0.25 Mbps
Speed inside (WITH signal booster) 3 / 1.25 Mbps
Call quality: Without sicgnal booster, calls would drop (sometimes) and call quality was very low. WiFi calling did not help much.
With signal booster, call quality is excellent, no signal drops.
More about T-mo service at: http://www.AndroidArena.org