In the past, the only baby monitor system available was the wired variety, which connects the transmitters and receivers together. The benefit of such a system is that you can never stray out of range, you always know where the receivers are and you won’t have any chance of interference from household appliances, cordless phones, microwaves, wireless internet or the neighbors’ baby monitors. However, this unit must be installed by a professional (much like a security system) in one, fixed place and there will be no mobility. On the other …

Every parent has done it at least once. You thought the baby was awake, you opened the door to peek and — oops, well, the baby’s awake now! It can be difficult to discern a baby’s moans, gurgles and murmurs from outside the door or through a walkie-talkie type monitor, which is why the wireless video baby monitor is becoming so popular. Anyone who has ever used one of the old-school, analog monitors and encountered a sudden, shrill shriek that unpleasantly startled them will no doubt agree that it would …