Supported devices for The Observer XT - stationary set-up The table below shows the maximum supported (1) resolution, (2) frame rate (fps), (3) number of devices and (4) recording time (hours). Tests were done on a Dell Precision T3620 PC   Device Resolution Frame rate Number of devices Recording time Axis M5525 (separate videos, line-in audio and camera audio*) 1920 x 1080 25 30 4 3 Axis M5525 (Picture-by-picture & Picture-in-picture, line-in audio) 1920 x 1080 30 4 3 Axis M5054 1280 x 720 30 1 3 Axis M1065-L (separate videos, line-in audio and camera audio) 1920 x 1080 25 4 2 Axis M5525 + M1065-L (separate videos, line-in audio and camera audio) 1920 x 1080 30 2+2 3   Axis M5525 + Epiphan Pearl Nano (separate videos, line-in audio and camera audio (broadcaster no audio)) 1920 x 1080 25 3+1 3 Axis M1065-L + Epiphan Pearl Nano (do NOT use Picture-in-picture or picture-by-picture) 1920 x 1080 30 3+1 2 Axis M5525 + M1065-L + Epiphan Pearl Nano (separate videos, line-in audio and camera audio (no audio broadcaster)) 1920 x 1080 30 1+2+1 3 * Camera audio = audio over RTSP