"Features include:
- The world's first Wi-Fi CERTIFIED Home Design – no more dead spots;
- Voice control by Amazon Alexa;
- Whole-home automation by Samsung SmartThings;
- iOS and Android compatibility;
- Smart home products from the most trusted manufacturers – including Ring, Honeywell, Baldwin, Kwikset, Lutron, Ruckus and Sonos;
- White-glove activation and service. (by Amazon)"
Amazon.com: Lennar Homeowners: Welcome to your smart home: Home & Business Services
It is WiFi, not wired.
info from:
Episode 156: Lennar’s smart home and why it dumped Apple HomeKit – IoT Podcast – Internet of Things