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SCART cable Male /Male
It's a full wired crossed scart cable , what means that all 21 pins are wired . So it can operate in both AV or RGB CGA mode while most Scart cables are only wired for AV . Indeed,the scart standard was designed to be able to operate in AV mode (all video colors and sync signals mixed in only one wire with a huge loss of video quality ) but also in RGB mode (each color and the sync all have their own wire for the best possible analog video quality).
For example the arcade pro gamer supergun operates in RGB mode . AV scart are quite common but full wires one are more rare and obviously heavy as they handle 21 wires instead of only four (AV video,left speaker,right speaker and GND)  
db15 D-sub to terminal blocks adapter Retroelectronik for Supergun and Neo Geo ,
great to connect an hacked pad or a custom panel to your NeoGeo or supergun system
Please note that if you want to play on an original SNK NEO GEO AES system, you will need to use for example a NEO GEO Controller extension cable as the db15 included on the neogeo AES is not really standard and needs a longer female connector to connect.