Is Alarm.com Compatible With Google Fi?

Yes. The system is compatible with Google Fi. Google Fi can intelligently shift between three mobile 4G LTE networks to keep the mobile device on the best signal. It can also automatically connect to secure Wi-Fi hotspots for faster data, calling, and texting.

Only phones designed for Fi can use it. For more information, refer to Google’s Google Fi coverage. 

Configure mobile notifications with Google Fi

Mobile numbers using Google Fi can be configured for SMS using the website or app by selecting Google Fi as the mobile carrier for a mobile device.