... Payment: T/T .Western union .Paypal.EscrowWarranty:12 MonthsFAQApplicationsWireless calling system can be used in restaurants, hotels, hospitals, tea house, ... pool, beach, etcWhat are the components of the wireless calling system?1. Wireless receiver, installed on the count 2. Call ... order of the customer promptly and quickly. Functional Wireless Calling System(KQ-41C+KQ500-3M) with Watch Pager,Three ...