DVR

HD is an abbreviation for High Definition and typically refers to resolutions that are higher than 1280x720. The most common formats are 720P/HD, 1080P/Full HD, 4K/UHD and 8K/FUHD

1920 pixels x 1080 lines FHD [Full High Definition]

Is a network point to point access without compromising the Router or modem's firewall.