Signal generator accessories are a variety of helpful tools and softwares then help you enhance the capabilities, performance and useability of your signal generators. Additional software for example can be brought to enhance capabilities by using the latest software technology. Memory upgrades can also be brought for specific Keysight machines to vastly improve their power and help.
Having the latest accessories will allow you to extract the most out of your signal generator and allow it to perform in harder and more secure measure than a typical standard machine would.