The principle of operation of the call button of the waiter CT-01 Black BELLS
When a guest of the establishment presses the slightly convex call button, the LED indicator comes on and the red light comes on. The signal from the button immediately goes to the pager-watch of the waiter or / and to the call receiver.
The button signal will spread within a radius of up to 100 m indoors and up to 300 m outdoors. If it is necessary to expand the coverage area of the signal, a repeater is installed, due to which the range increases to 300 m and 700 m, respectively.