Description :  
 
  1. used for transmitting table numbers to receiver. If guests need service, just push the waiter key, then the waiter can receive the request messages.you can put the call button on the client table/wall.
2.It is used in banks, dining hall, coffee bar, bar, teahouse, leisure club, GYM, KTV, chess and card room, Internet bar, motel, nursing home, sanatorium, hospitals, library etc. 


Size :   68*25mm
Color :   Gray and silver
Decode :   Learning code 
Key button :  Call
working Voltage :  DC 4.5V
working band :  303/315/433MHz
Remote distance :  500m ( open air)
Operating Temperature :  -30~+80°C
Static Current :  <20uA
Communication :  Wireless