You and your next-door neighbors may utilize similar channels and wind up hearing noises from each other's homes. Cordless telephones may also interfere with your signal. 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. The most simple baby monitors make use of a simplex transmitter and receiver system. In the baby s room, a transmitter device with microphone is installed while the parents have a receiver device with a speaker. Any sound the baby makes in the room will be transmitted directly to the device held by the parents. To change frequencies, wireless baby monitors are equipped with a switch that lets parents change frequency easily. 2) Another way to help in solving wireless interference is to find a proper location for the transmitter as well as for the receiver (baby unit and the parents unit). So where should you place your wireless baby monitor to minimize wireless interference? For example, if you want to leave your baby in the living room for a while, you can get the device from the baby s room and transfer it to the living room without going through the difficulty of moving the wires. The Disadvantages of Wireless Baby Monitors If such devices have advantages, then it is possible that they also have disadvantages. There are actually a number of ways to get rid or avoid interference issues when using baby monitors inside an apartment building. Here are some of them: 1) Change the frequency band. Most modern wireless devices are equipped with capabilities of channel adjustments. This is one way of patching up interference problems. What Is a Baby Monitor and How Does It Work? A baby monitor is a gadget set that has a transmitter and receiver, which sends either sound or video (depending on the type) for the parent to be able to supervise the activities of the baby while he or she is away. There are different types of these monitors the audio, video or sensory.