hand free interphone used in counter, desk, etc

used in office, hotel, supermarket, bar, etc

used in restaurant, office, hotel, supermarket, bar, etc

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

transfer wireless signal to wired signal large distance repeater transfer wireless signal to wired signal large distance repeater transfer wireless signal to wired signal large distance repeater transfer wireless signal to wired signal large distance repeater