MEIRIYFA VGA to BNC Adapter Cable, HD15 VGA to 5 BNC RGBHV Male Coaxial High Resolution for HDTV Monitor Cable (Black)

MicroVitec were a British company that made proper multi-sync 15/31kHz monitors. This one appears to have been made for medical equipment, based on the link the other poster provided. So this is a cool and unusual monitor. If it supports 15kHz and you can get RGB SCART cables for your console then you just need a SCART to 5xBNC cable like this one (this is an example not a recommendation for this exact cable): https://www.amazon.com/Audio-Video-Gaming-Cable-Monitors%EF%BC%8CJVC/dp/B0BRZ1SPW7 If it supports 31kHz then you just need a VGA to BNC cable like this one: https://www.amazon.com/MEIRIYFA-Adapter-Coaxial-Resolution-Monitor/dp/B09Y1M81NX