Electronic paging system with pagers and keyboard

Personal wireless paging system table buzzer is mainly used in fast food restaurant, self-service restaurant, clinic, hospital, tea house, office and so on, where there are a lot of customers waiting for their service. The system is consist of a Keypad Transmitter for the caller and a Pager Receiver for the one who will be called. When the caller is ready to offer service, they can press the corresponding number on the keypad to send an ID to the pager. And the people holding the pager will know the information that the dishes or service are ready to be offered and take it at earlier time.

Specification of pager KTP10 without digit tube

One set include 1 keyboard and 10 pagers
---Keypad Transmitter---
Show 4-digit number: first digit is area number, last 3 digit is guest number
Can set different partition from A, b, c, d, E, 0-9
Can work with 999pcs pagers in max
Size: 31*8*4cm
Color: Black
Output: DC5V
---Pager Receiver---
Shell Material: High-quality polycarbonate
Power: Built-in 3.7V polymer lithium battery
Pager size: 10.5*5*1cm
Prompt mode: Sound, Vibration, Flicker 
Color: Dark red
Low power Prompt: Yes, will show "LLL"
Can hang on the neck