With a 4G repeater, we often talk about frequency bands: mono-band, dual-band, tri-band, 5-band... What exactly are we talking about? This article explains how a 4G or GSM repeater can work with multiple operators on a single frequency band.

Many houses have poor cellular signal indoors. In many cases it is possible to make phone calls at windows, but not when moving further inside. How to improve cellular signal at home?