Sep 18, 2014 · T-Mobile has done a lot to improve their US wireless network in the past year and a half. Unfortunately, T-Mobile coverage indoors still stinks in many homes. T-Mo has come up with a few creative ways to help: Wi-Fi Calling, T-Mobile's 4G LTE Signal Booster and their newest device, the Personal CellSpot. If you're confused about the differences between these or which is the best... Nov 20, 2015 · Find helpful customer reviews and review ratings for T-Mobile 4G LTE Personal Cell Spot - GSM Signal Booster at Amazon.com. Read honest and unbiased product reviews from our users. For those with no T-Mobile signal at home, there's the new CellSpot V2 (above). This device plugs into your router and sets up a tiny cell tower on the T-Mobile network. It supports up to 16 users ... The Personal CellSpot is an outstanding deal for T-Mobile customers. It has the best Wi-Fi performance, an excellent set of features, great support for Wi-Fi calling, and for the most part, it's free. Nov 13, 2015 · The T-Mobile 4G LTE CellSpot is like having a miniature cell phone tower for your home. Developed in collaboration with Alcatel-Lucent and Qualcomm, the Personal Cellspot requires very little set-up and can cover up to 3,000 square feet in glorious magenta 4G LTE for improved voice and data services.