Mobile Adapter GB (Yellow, cdmaOne)
Yellow, cdmaOne · CGB-005CD · Nintendo · late
Why
It was released only in Japan; it’s rare in our markets, so we don’t set a rarity level. we don’t factor in prices yet: we’re watching the market 1 days, for games and accessories you need 30; release type “regional» - no lower than Uncommon. Estimate: exact units produced unknown.The Mobile Adapter GB was a short-lived peripheral developed by Nintendo that allowed the handheld Game Boy Color and Game Boy Advance consoles to connect to a mobile phone and utilize its cellular network. The accessory used a proprietary networking service called Mobile System GB operated by KDDI to exchange data. Following delays, the device and service launched in Japan on 27 January 2001. Together, they enabled online functionality for roughly 20 games, most notably Pokémon Crystal and Mobile Golf. Nintendo and Konami formed a joint venture, Mobile21, to create games that utilized the service.
For now, in English only. Source: Wikipedia, CC BY-SA 4.0How to tell them apart
Yellow mid-cable box.
Details from sources
For cdmaOne (au) circuit-switched data. "Introduced later" per en.wikipedia; considered the scarcest by sellers (not quantified). A green (NTT Docomo/Astel PHS) version was planned but never released.
Data source: en.wikipedia.org
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