A pager, as worn on the waist to alert a person to a phone call or short text message. Popular in the 1980–90s before mobile phones, though still used by some medical and emergency personnel. Very occasionally used to represent alerts, digital communication, or nostalgia for old technology.
Depicted as a black device with operating buttons and a green screen displaying various (telephone) numbers across platforms, including:
Pager was approved as part of Unicode 6.0 in 2010 and added to Emoji 1.0 in 2015.