These two-way baby monitors not only provide parents with a means to check on their baby, but a means for parent-child bonding as well. What is the difference between the two-way monitor and one-way monitor? One-way monitors from the name itself, basically only transmit sound through a single channel wherein parents can hear the sounds that their baby makes from the other end. Remember that the base unit of your cordless phone should be switched on last. 3) Purchase a digital baby monitor instead. To make sure that your neighbors will not be able to pick up the sounds transmitted by your baby monitor, buy a digital type as an alternative to the analog version. This way, you can rest assured that the only sounds you'll hear are the ones that have originated from your baby's room. When examined by experts, these sounds can t be technically explained. But when examined by professional ghost hunters, they turn out to be ghost voices also known as electronic voice phenomenon. Baby Monitors and Interference Baby monitors can either be wired and wireless. Both types of devices have their own advantages and disadvantages. But if you are on a tighter budget, many good monitors are available in the market for almost just as good the quality at more economical prices. Baby monitors are the wonder gadgets for parents today. Although the whole process of choosing which type or model to buy may be baffling and many factors may come to your mind, always remember to stick to the basics that keep the gadget effective to its goal in keeping the child safe. This holds true with the devices called baby monitors which are used by parents to watch over their babies. But these devices all have their limitations. In the case of using baby monitors in blocks of flats with a dozen or more tenants, the devices may encounter several problems which include interference. Since this is the kind of service and specialty they provide, you can be quite sure that you as parents are given the best possible monitoring they can provide. This is one advantage of going pro. Another advantage is that there is usually customer support that will be willing to help you in case you encounter any problems.