HI Guys

wasn't sure where to put this in the forum.

So I work in this company who are opening a 300 seated restaurant. The Manager in charge has asked me to look for a waiter table management system. 

Basically, the Manager wants to divide the restaurant into sections. Then he wants a device for the waiter in each section that would buzz when the order for a table in their section is ready. 

for example, Table 1- 10 Section 1, Table 11 - 20 Section 2 and so on. When the order for table 3 is ready the chef will press a button for table 3 which would let the waiter in section 1 know that an order is ready for their section.

Can anybody recommend something similar they have worked with 

Really appreciate your help

Cheers