Nowadays, the wonder of technology has contributed much to the comfort of mankind. And mothers are truly blessed to have baby monitors in their aid that would ease their burden. What are Baby Monitors Baby monitors are technological device that serve as a pseudo mother who is in vigil at bedside. It is a radio transmitter that release FM (Frequency Modulated) signal most commonly between the ranges of 48,830 to 48,890 MHz. 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. And as babies, they still can t articulate whether they are already experiencing symptoms of the condition. But if you intend to use the video monitor in different places all over the house then it would be a good idea to avail of the wireless devices. Take note though that wireless video monitors also have their limitations. The device for the baby and the device for the parents must be in their proper range with each other or else wireless intermittent connection may occur. There is no total mobility since parents can easily get out of range from the baby unit. But with digital monitors, the range of the devices has been extended making it more possible for the parents to roam around the house without worrying of getting out of range. Disadvantages of Digital Baby Monitors Digital baby monitors do also have their fair share of disadvantages. If you want to ensure that your next-door neighbors won't be able to pick up the transmitted sounds from your baby monitor, purchase a digital version instead of an analog one. By doing so, you'll be assured that the only sounds you will perceive are the ones that are coming from your little one's room. However, with the many different kinds of monitors available in the market at present sometimes it may get confusing. Knowing the different types of monitors and what to consider will surely help you in making a choice. What are the types of baby monitors? In selecting a monitor that best fits your family, you have three major options to choose from an audio, video or a sensory monitor.