If it would be used in a bigger house, then a wider range is required. A smaller house or apartment might not need as much range especially if one lives in an area where there may be a lot of interference such as cell phones and other monitors that could disrupt the signals. But it is also important to consider the user s activity, especially if work might require him or her to be of farther distance from the child. With these devices, you will still be able to monitor your baby even if he or she is in another room. What Are Baby Monitors? Basically, a baby monitor, also known as a baby alarm, is a device that can be used to monitor your children or babies even if they are located in a separate room than yours. It is a simplex transmitter and receiver system that can be used to remotely listen for different noises made by your kids and babies. If you live in a small apartment or if your baby's room is only a couple of rooms away, then virtually any type of baby monitor will suffice. On the other hand, parents who own bigger houses or live in multi-story residences require a device that has a longer range. In this way, they will know for certain that the transmitter and receiver will not falter even in extended distances. In order for the baby monitor to obtain the most excellent reception and transmission using the 2.4-GHz channel, you need to switch off all devices that operate in the same frequency. Then switch on the baby monitor followed by your other wireless gadgets. Remember that the base unit of your cordless phone should be switched on last. These technological help come in the forms of devices that can make one s life easier especially if you are busy with work. 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. Disadvantages of Using Professional Wireless Baby Monitors LCD The biggest disadvantage of using professional wireless baby monitors is its cost. Compared to using off the shelf gadgets, professional ones will cost way much higher. This is expected of course since you will be given the best possible baby monitoring system they can provide.