Icom IC-R100
Rear Panel

 

 

The Icom IC-R100 rear panel features three separate antenna inputs. An SO239 is provided for 0.1 - 50 MHz, An N is supplied for 50 - 800 MHz and second N for 905 - 1856 MHz. There is also a 3.5 mm speaker output jack. The three position slide switch on the left is for Clock:  Off, On Lamp.