Satellite → primary box has minimal delay (~0.5 sec). Secondary Smart TVs using internet streaming have a 15–30 second delay due to HLS packaging, making synchronized viewing (e.g., live sports) difficult across rooms.
Not all Smart TVs support Astro GO. Samsung models before 2018, and some budget Android TVs, lack required DRM level L1 for HD playback. multiroom smart tv astro
For a household with 3 Smart TVs streaming simultaneously from Astro GO: Satellite → primary box has minimal delay (~0