Compatibility is a must to ensure that testing machines can stay relevant for years. NextGen understands that purchasing testing machines can be a significant investment for any company, and keeping these machines up-to-date for as long as possible is essential for optimal return of investment. NextGen guarantees that all future accessories will be compatible for use with older machines. When designing their products and accessories, they see to it that they can be compatible not just with their new equipment, but also with most of their older machines.