NBCUniversal RSN Display — Medium Rectangle 300×250 ads are horizontal 6:5 still images, measured at 300×250 px, up to 0.15 MB per file, delivered as JPG, GIF, or JS. They run in the Desktop / Mobile (RSN) placement on NBCUniversal. Use these requirements to brief designers, validate uploads, and avoid creative rejections in NBCUniversal's ad manager.
| Dimensions | 300 × 250 px |
|---|---|
| Aspect ratios | 6:5 |
| Orientation | landscape |
| Max file size | 0.15 MB |
| File types | JPG, GIF, JS |
Initial load 150 KB; host-initiated subload 300 KB. JPG / GIF / JS tag. Secure HTTPS. Z-index 0–180. Rich media allowed; in-banner video allowed with +1.1 MB host-initiated video load (audio user-initiated/muted, max 15s animation @ 24 FPS, 3 loops). Center-aligned. For in-banner video, also provide standard non-video creative.
Official source: https://nbcu-creative-guidelines.scroll.site/nbcuniversal-creative-guidelines/regional-sports-network-digital-display