How it work of restaurant server paging system

Coaster pager system consists of a Keypad Transmitter for the caller and a Pager Receiver for the one who will be called. 

When the food is ready, the caller can press the corresponding number on the keypad to send an ID to the restaurant server pagers. 

The people who holding the restaurant vibrating paging systems will know the information that the dishes or service are ready to be offered and take it at earlier time.

Specification of keypad transmitter

1. With high strength ABS material cover
2. Using digital code technology and the function is steady
3. It can call 999 persons
4. With power on/off function
5. With Clear and Next function
6. Default first number is for counter number (0-9/A-E), last 3-digit number for customer number (001-999)

Technical parameters:
Signal Range: >200M in open area
Working voltage: DC7.5-12V
Working current: <20mA
Dimension:160*118*60mm

Specification of wireless pager

Shell Material: High-quality polycarbonate
pager size: 79*79*18mm
Color: wine red
Show 3-digit number
Prompt mode: Sound, Vibration, Flicker 
Battery: 3.7V Rechargeable Lithuim battery
Low power prompt: LLL             
Output power: 5V---2.1A
Each pager have a charger port to charge (Charger Indicator)
Can hang on the hand if you need, please remark when you order
Have one magnet on each pager to avoid the pager slip to ground when someone touch accidentally