vs
4.0Ruggedness3.6
7.3Features7.3
Dimensions
Size comparison
RT1050 AISRS20S
| RT1050 AIS | RS20S | Difference | |
|---|---|---|---|
| Height | 180 mm | 161 mm | +19 mm |
| Width | 91 mm | 167 mm | −76 mm |
| Depth | 55 mm | 89 mm | −34 mm |
| Weight | 935 g | 1,180 g | −245 g |
Drawn to the same scale from the official dimensions (front and side).
Why is RT1050 AIS better than RS20S?
- Weight935 g vs 1,180 g+26%
Why is RS20S better than RT1050 AIS?
RS20S has no measurable advantages in this pair.
Specifications
Side by side
| Radio & range | ||
| Radio standards | Amateur VHF, Marine VHF | Amateur VHF, Marine VHF |
| Frequency ranges | 161.975 - 162.025 MHz | 156.050 - 163.275 MHz |
| Transmit power | 25 W | 25 W |
| Squelch | adjustable | adjustable |
| Power & battery | ||
| Battery voltage | 13.8 V | 12 V |
| Power source | Mains / 12 V vehicle | Mains / 12 V vehicle |
| Design & durability | ||
| Weight | 935 g | 1,180 g |
| Width | 91 mm | 167 mm |
| Height | 180 mm | 161 mm |
| Depth | 55 mm | 89 mm |
| Protection rating | IPX7 | IPX7 |
| Water protection (IPx) | IPx7 | IPx7 |
| Display | Backlit display | Backlit display |
| Colours | Black | Black |
| Features | ||
| Channel scan | Yes | Yes |
| Dual watch | Yes | Yes |
| Emergency / SOS alarm | Yes | Yes |
| GPS | Yes | Yes |
| Connectivity | ||
| Headset / earpiece jack | Yes | Yes |
| Radios in the base pack | 1 | 1 |






