This item is a pre-owned ResMed S9 Wireless WiFi Adapter Module, model IP21. In excellent cosmetic and fully operational condition.
"The ResMed S9 Wireless Module for Healthcare Professional Data Collection attaches to the S9 device and automatically transmits compliance data, CPAP therapy information to your healthcare provider. Eliminates the need for an SD card as the information will be sent to your doctor or healthcare provider so they can analyze the information for you. Designed as a substitute for your SD card, the S9 Wireless Module reduces the need for frequent doctor visits and makes sharing your sleep apnea data easy and quick."