... work efficiency , satisfaction 100% warter proof CE certificate WITOP WIRELESS CALLING SYSTEMWidely ues in restaurant ,KTV, hotel , coffe ... the wireless calling system?1. Wireless receiver, installed on the count 2. Call button, installed on each table3. Signal repeater ( ... promptly and quickly.What are the benefits of Wireless Calling System?Reduce Staff CostsEnhance the Dining ExperienceGreater ...