Restaurante/cafés/comida/hospitalarios y centros médicos/clínicas/hoteles y resorts/

table tracker to notify customer service is ready

1 RJ-45, 1 audio-out, 4 short-in, 2 short-out

1 RJ-45, 1 audio-out, 4 short-in, 2 short-out

3 digit wireless receiver for waiter service call