Wireless service table calling bell

Wireless service table calling bell  is  a call button , which can be widely used in restaurants, hotels, coffee bars, supermarkets, factories etc. it has to work with MMCall host ( either LED display or Paging host ).      How the wireless calling system works:   We have two different wireless calling systems:   1) Wireless paging system: it includes paging host, waiter call button and pager. Each waiter call button is installed at desk or room for customer to call the waiter. The pager is for waiter to receive the information at anytime and anywhere. The paging host can be installed in at the reception desk for receiving and transmitting the signals.   2)Wireless display system: it incudes paging display and waiter call button. Each waiter call button is installed at desk or room for customer to call the waiter. The paging display can be installed at the hall or reception desk for waiter to view the customer calling.   Wireless calling display system is suitable for small places like coffee bars, restaurants etc. whereas waiter call pager system is suitable for large places like hospitals, shopping malls, univerisities etc.       Wireless waiter call button features:   •Frequency: 433.5MHZ •Weight: 0.05KG •Color: Black,Wooden •Material: ABS (the crust), sticker (the button) •Power supply: one 23AE 12V batteries •Battery life: ≥15000H •Transmit Power: 10mw   •Transmit Distance: 350m (open air) •Dimension: 6*6.7*2.0CM •Works with all MMcall hosts and displays •Optional: Button stand (HY-S101/HY-S108/HY-S110/HY-S600)