Noun:

Bleeper,

bleeper's Usage Examples:

A pager (also known as a beeper, bleeper or pocket bell) is a wireless telecommunications device that receives and displays alphanumeric or voice messages.

the firefighter to summon help by activating a loud, piercing electronic bleeper.

You're a greaseball no good [bleeper].

You're a [bleeping] slimy [bleeper].

couriers work for courier companies on an open circuit with a radio or bleeper, rather like minicabs.

"Ozzy-speak defies bleeper".

A 'bleeper' radio system was also used for locating staff on the station.

The shocked doctor is saved by his bleeper.

Foggy's Christmas present to himself, a bleeper, doesn't help matters when the ladies start following the signal.