Waiter's handout to waiters (5)
I believe the answer is:
pager
(Other definitions for pager that I've seen before include "This may summon one" , "Radio alert device" , "message on this?" , "Old electronic bleeping device" , "Bleeper device" .)
I believe the answer is:
pager
(Other definitions for pager that I've seen before include "This may summon one" , "Radio alert device" , "message on this?" , "Old electronic bleeping device" , "Bleeper device" .)