New cordless telephones
Cordless phones have taken over from the corded models on most of our homes and if you remember them as having a limited range and poor sound quality you need to take a look at the latest models. The biggest change has come in the frequency range they operate in. The oldest version operated in the 46-49 Megahertz range and due to the small number of bands in this range there was lots of cross talk and little privacy. Analogue phones moved up to 900 Megahertz range but still had problems with sound quality. If your neighbor happened to have their baby monitor on they could periodically hear you on your cordless phone. Digital phones entered the marketplace at this time featuring voice encryption and an enhanced signal strength letting you use them in the backyard or garage. The third generation of cordless phones operated in the 2.4 GHz range and suffered from interference with microwaves and home WIFI wireless systems. Range was again extended and voice quality improved. The newest tec...