I believe you're asking about (likely a typo for Radixx or a specific version like Radixx v11), which is a passenger service system (PSS) and airline retailing platform from Radixx (now part of Sabre Corporation after acquisition in 2020).
I believe you're asking about (likely a typo for Radixx or a specific version like Radixx v11), which is a passenger service system (PSS) and airline retailing platform from Radixx (now part of Sabre Corporation after acquisition in 2020).