Beeping restaurant device (5)
I believe the answer is:
pager
(Other definitions for pager that I've seen before include "Bleeper device" , "Old electronic bleeping device" , "This may summon one" , "Way to contact" , "Contact device" .)
I believe the answer is:
pager
(Other definitions for pager that I've seen before include "Bleeper device" , "Old electronic bleeping device" , "This may summon one" , "Way to contact" , "Contact device" .)