A handheld device (so-called "Aircraft passenger handset") comprising a control unit incorporating a microphone and a loudspeaker, various buttons on the front and back, a display, a magnetic card-reader and a connection socket, for a voltage not exceeding 1 000 V, with dimensions of approximately 16 × 4 × 2,5 cm.
The device is designed to be installed into the passenger seat of an aircraft for performing the following functions:
- acting as a switch and control device for various external devices, for example, audio/video equipment, game consoles or other on-board services,
- making telephone calls through the public on-board communication network as it converts audio-frequency pulses into sound waves and vice versa,
- reading data from swipe cards.
The device cannot connect directly to a communication network.
[1][1]. https://eur-lex.europa.eu/legal-content/EN/ALL/?uri=CELEX:32013R0705