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  3. Ray63 vs RS20S

Raymarine Ray63 vs Simrad RS20S

What Ray63 does better (0) and where RS20S wins (0) — every spec side by side.

Raymarine Ray63
Raymarine · 2026Ray63
0 advantages≈ £420
vs
Simrad RS20S
Simrad · 2025RS20S
5.4Score
0 advantages≈ £360
Higher score
5.3Ruggedness3.6

Why is Ray63 better than RS20S?

Ray63 has no measurable advantages in this pair.

Why is RS20S better than Ray63?

RS20S has no measurable advantages in this pair.

Specifications

Side by side

Simrad RS20SSimrad RS20S≈ £3605.4
Radio & range
Radio standardsAmateur VHF, Marine VHFAmateur VHF, Marine VHF
Frequency ranges155.5 - 161.425 MHz156.050 - 163.275 MHz
Transmit power25 W25 W
Squelchadjustableadjustable
Power & battery
Battery voltage12 V12 V
Power sourceMains / 12 V vehicleMains / 12 V vehicle
USB-C chargingNo—
Design & durability
Weight—1,180 g
Width—167 mm
Height—161 mm
Depth—89 mm
Protection ratingIPX7IPX7
Water protection (IPx)IPx7IPx7
DisplayBacklit displayBacklit display
ColoursBlackBlack
Features
Channel scanYesYes
Dual watch—Yes
Emergency / SOS alarmYesYes
GPSYesYes
Connectivity
Headset / earpiece jackYesYes
Connectors8‑polige Mikrofonbuchse—
Radios in the base pack11
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