How it work of wireless waiter calling system

Wireless Calling System is widely used in service area. It consist of table button for guest use and signal receiver for waiter or waitress use. When the guest need any service, they just press the button on the table, this desk number will show on the RECEIVER with alert music or sound. So the waiter could offer service very timely.

Specification of number display

1. With high strength aluminum alloy shell
2. Use digital code technology 
3. Wall mounted  
4. It show 3-digit number and work with 999pcs call buttons in max
5. Show different service type: 1 dot =call; 2 dots =bill; 3 dots =drink 
   (service type can be choosed/defined by yourself)    
6. It can show 2 groups of number at the same time
7. It can  save 63 calling info in turn   
8. Dimension: 365*158*40mm
9. Output: DC12V

Specification of table call button

Single key: Call                                                   
Signal Distance: 200M in open area    
Material: PC and waterproof silicone
Dimension: 60*60*22mm 
100% waterproof 
With a 12V 23A battery   

Specification of watch pager

1. Can work with 500pcs multi-key transmitter in max
2. Can show 3 group call number in one time 
3. Show 4-digit number from 0001-9999 and first alphabet can be A-Z
4. Can indicate different service type via words or alphabet. 
    ( call; bill; drink; dessert; help etc and A-Z)
5. Can record when the call come in and count the call times of each number 
6. Can track the history calling info by up and down
7. Show current time when stand-by
8. 3 reminder ways: sound prompt and vibration or both 
9. Battery is rechargeable: 3.7V Lithium battery
10.Dimension: 50*51*16mm
11.Color: Silver, blue, green, red, black
12. Output: DC5V--1A