Thin call button for waiter and staff SM-101 BB Call indicator LEDIP65Button range: up to 300 m in open space,Frequency: 433MHzPower supply: 23A batteryBattery life up to 3 years!Housing case material: ABS plastic & RubberButton functions: Call Assembled in Canada. Color: black gloss with white rubber buttons The principle of operation of the call button of the waiter SM-101 BBWhen a guest of the establishment presses the call button, the LED indicator 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.
