These products have improved a great deal in recent years. The sound quality is good, multiple channels are available in case you get static, and 2.4 GHz phones can have a range of 1,000 feet or more. Now that I have a remote phone, I never miss calls. I can take it in the bathroom or outside. Intercoms Intercom systems allow easy communication or monitoring and are especially useful for people who have very restricted mobility or who must spend a share of each day in bed or on a breathing apparatus.
Intercom systems can be helpful for monitoring guests at the front door.
Commercial systems are now available for the home with video capability, so you can see who is there and be able to speak with them as well. There are two types of intercom systems. The other type of intercom system uses carrier current. The intercom is integrated into electrical wiring, which carries the signal alongside the electricity. Components plug into outlets in order to transmit the signals.