Sounds coming from the baby are being picked up and a signal is then transmitted to the receiver. On the other hand, receivers are being carried around the house or place somewhere that is accessible to the mother or whoever it is designated to keep watch of the baby. Usually, the transmitter is plugged into a socket from its stationary position while the receiver is battery operated since it could be brought anywhere. These devices provide an extra ear and extra eye to ensure the safety of the little ones. In the past, baby monitors were simple gadgets making use of a transmitter and receiver system. But now, as modern day technology progresses, so do the baby monitors. As of today, digital baby monitors have risen up to provide parents better quality and functionality when it comes to baby monitors. In choosing a baby sleep apnea monitor, there are certain features that the device must have to ensure the proper monitoring of your baby. Heart Beat Monitor This feature is a must for the device that you will choose since no apnea monitor is 100 percent accurate in detecting cessation of breathing. This will serve as a backup in case the apnea monitor fails to detect apnea because it will also manifest in the heart rate of the baby. But despite such circumstances, it is good to know that technology has managed to make life easier by giving busy moms and dads the option keep an eye on their precious little one even when they aren t in the same room. And no matter how busy life may get, it is at least assuring to a lot of families that there is a gadget available that truly contributes to their peace of mind and adds to the precautions that parents place in providing for their child s safety. To get the best possible reception and transmission from a 2.4GHz baby monitor with video capability, switch off all 2.4GHz devices in your house. After that, you may turn on the baby monitor followed by your wireless router that is if you have one. Last but not least, you may switch on the base unit of your wireless phone. Each time the baby wails, the alarm system triggers the rod to forewarn and awaken the parents. Some baby monitors even come with LCD screens that allow you to literally watch over your baby. This is especially valuable to deaf parents since what they lack in hearing, they can make up for in visual observation.