Did you know that a modern cell phone has a much poorer transmit/receive capability than was formerly the case in older models? The poorer quality of the phone's ability to make and receive calls (and data) is masked by the improved coverage by cell phone towers, but on occasion, we all lose signal.
As an introduction to the concept of extending the range of a phone or other wireless device, here now is an article that explains all about radio repeaters, what they are, and how they work.
This article will be followed in the next several days by an article reviewing an excellent cell phone signal booster, and a second article reviewing a range extender for your laptop's Wi-fi.
