Luckily, there are several ways on how to, if not eliminate, at least minimize the existence of interference. On top of the list is changing the channel or frequency of your baby monitor. If two devices are running on the same frequency, it will cause interference. So to prevent this from happening, you should try to change the frequency of either device. Aside from that, you will also be able to see your baby even in the worst lighting conditions. Wireless night vision baby monitors can truly be your ultimate partner when it comes to keeping an eye on your baby. It provides the best portability that any video baby monitor can, and it also provides the best functionality because of its night vision capability. 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. Basically there are three types of apnea: obstructive, central and mixed. Obstructive apnea is most common in babies and children. It is caused by obstructions in the airway such as adenoids and enlarged tonsils. This is quite dangerous especially for babies since it usually happens during sleep time. The digital receivers, whether a microphone or s camera, are also more sensitive to sound and visuals respectively. One problem of analog baby monitor devices is the fact that there are instances when neighbours can actually tap in to the signal of your baby monitors and listen. With the digital technology, privacy is kept since it broadcasts private signals that only you, the parents, have access to. And thus, parents who often find themselves caught up in the middle of work, can now simply talk to the child and calm him down without physically being next to him. The talkback feature can also help maintain the bond of the parent and child, despite the parent being at a certain distance. Parents could sing their lullabies or read stories while they do the laundry or while they clean the house.