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. By simply positioning one radio transmitter in each room, you can listen to the sounds coming from your baby's room even if you're busy with house chores or other stuff. Then again, this added capability comes with a number of drawbacks. The baby monitors could interfere with each other. For that reason, you need to make sure that they are set in different frequency bands; otherwise, you will only be able to hear irritating electronic screeches. 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. Even though it is normal, it may also be a symptom of something more serious that is health related. 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. But as much as you would like to always stay beside your child, it is inevitable that there are other things that also need to be taken care of. Doing two things at the same time, watching over your baby and doing your other household chores, seem quite impossible. So what do you do? You can use baby video monitors. But if one can provide safety and connect with his or her child without having to compromise work through a simple gadget, then life would certainly be much easier. It does not only place the parents at ease, but much more, it decreases the anxiety on the child and assures him of a safe and secure environment.