Xtransceiver appears in 4 version groups since Generation V, a Gameplay item in the Key Items pocket
PokéAPI item 662 of 2,223, Gameplay category, Key Items pocket
Effect, in PokéAPI's words
Xtransceiver: “Makes four-way video calls.”
Makes four-way video calls. Used for plot advancement in-game, but also works with other players via the C-Gear.
Games
Xtransceiver is listed in the text of 4 version groups, first in Generation V
Game index by generation
IIIIIIIVVVIVIIVIIIIX
Named in
Black and WhiteBlack 2 and White 2X and YSword and Shield