NextGen TV certified - watch live TV on multiple devices simultaneously throughout your home with our Multi room Multi user network tuner solution Full whole-home DVR by connecting a USB hard drive (requires paid TV guide for DVR record) ATSC 1.0 content is compatible with Android, FireTV, AppleTV, Roku, Sony, XBox, iPhone, iPad, Win10/11, Mac ATSC 3.0 DRM-free content is compatible with Android, FireTV, AppleTV, Roku Ultra 4800X and newer, iPhone, iPad, Win 10/11, Mac. Not compatible with DRM protected channels 4 tuners (2 ATSC 3.0, all 4 ATSC 1.0) ATSC 3.0 NextGenTV is here! Receive and watch free to air ATSC 3.0 and ATSC 1.0 TV on a wide range of devices anywhere in your home over your existing Wifi or wired network. All the features of the HDHomeRun CONNECT QUATRO or 4K plus USB for connecting a hard drive (optional). Supports 4K content where available. If ATSC 3.0 is not yet available in your area the HDHomeRun FLEX 4K will use ATSC 1.0. Future proof your TV experience! New: ATSC 3.0 audio on all Windows/Mac/iOS/AppleTV/Android/FireTV devices.