If you prefer to have one radio transmitter in every room, there are actually a smaller number of choices. In order to set up a multi-room monitoring system, some parents purchase more than one baby monitors. 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. Flats And Baby Monitors: Fixing Interference Problems Flats and baby monitors have a very interesting relationship the former may cause problems for the latter. This has been the concern of parents who use baby monitors in their flats. Because of the number of tenants who also use different gadgets, interference among baby monitors is quite common. But what if baby monitor transmitters pick up more than what they are supposed to? It has been the topic of discussions that baby monitors, especially audio types, pick up more than just sounds coming from the baby. Some parents tell stories of their baby monitors picking up EVPs. What are EVPs EVP is short for the term Electronic Voice Phenomenon. In case interference is a big issue for you, you can always look for something that utilizes the so-called no-interference technology or has additional security features. Video Monitoring Options A basic baby monitor allows you to hear whatever's happening in the baby's bedroom. Then again, technological innovations have made it possible to combine sound and visual monitoring. What To Do If You Think Your Baby Has Apnea When your baby is born, he or she is automatically evaluated for any problems in health like defects in breathing. But this is just an initial evaluation which can change in the next few months. The first step is to have your baby checked up by his or her doctor. For that reason, it is better to purchase one that features a channel adjustment capability. This way, you can change frequency bands every time you encounter interference problems. Of course, you also need to factor in the cost of buying a baby monitor. The high-end versions can cost as much as $300 dollars or more.