There are a lof of radios in the market have FM function. When we are free and there is no calling, we may open FM to listen. In case we miss any calling, most of the radios’ default settings is Automatic receiving the calling from other radios when we listen FM radio. Some people think it is very good, we will don’t miss any calling. Some other people think it is a little better. Because during this time i don’t want to be disturb. Retevis RT23 will give you more choices. Wether the calling form other radios was received when you listen FM, It’s up to you.More FM radio setting start from Retevis RT23 Lots of radio have no the …
