The device usually functions by means of transmitting sound from the baby's room to a portable receiver that can be conveniently placed inside a pocket or strapped around the waist. People with excellent hearing can rest assured that their infants' cries will be heard, even if they're in another part of the house. 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. Digital Baby Monitors and Other Baby Monitors One obvious difference between digital baby monitors and other old baby monitors is that it s digital! But another very useful function of baby monitors is during sleeping hours. This best applies to a setup wherein the baby stays in a room separate from the parents. If the parents sleep in a different room from the baby, it would prove to be impossible to be able to monitor him or her perfectly unless you wake up every minute and check up on your little tyke. This is most helpful to parents who need to be constantly on the go but still want to watch over their baby while doing other productive activities. When are Baby Monitors Useful? Most people think that baby monitors are only useful at night during the sleeping periods of both the child and the parents. What Baby Monitors Do Baby monitors generally help mothers oversee the baby without being stuck inside the baby s room all day. Through this, mothers are able to do what must be done around the house thereby accomplishing a lot. From the time baby monitors have been first released, countless of innovations have been made. These frequencies have a propensity of interfering with other devices in your home, including the baby monitor. 2) Switch on the baby monitor before other devices. 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.