Simrad RS20 Class D DSC VHF Radio: Entry level VHF radio with NMEA2000 connectivity for GPS position, backlight control and night mode grouping with Simrad MFD’s.

Part Number: 000-13545-001

Tax included

Simrad RS20

  • Replaces the current RS12 entry level VHF
  • NMEA2000 connectivity for advanced functionality like backlight grouping when connected to Simrad MFD’s
  • NMEA0183 connectivity
  • Receive GPS data from a compatible GPS unit
  • Output DSC (for DSC call), DSE ( for enhanced position when doing Lat/Long request and Buddy Track).
  • New front mountable mechanical design for easy installation
  • Low profile design to align with style of Simrad MFD’s
  • Full inbuilt country specific channel banks
  • no requirement for LC programming or cloning

New features

Start up wizard

  • Region & Country selection
  • Enter MMSI
  • Call sign
  • GPS source selection
  • Time offset

Improved SCAN features

  • MY CHANNELS + 16

Favourites shortcut

  • Customizable favourite functions
  • Defaults
  • Contrast
  • Sensitivity
  • VHF info

Channel name

  • My Channels
  • Set Channels as favourite channels
  • Enter favourite channel mode by long pressing channel dial
  • Only favourite channels will be included in channel scrolling

Track up to 5 Buddies!

Track buddy is a feature that automatically requests the position of another VHF radio. Simply enter the MMSI of the VHF into your contact list, then start tracking!

  • New feature for Simrad entry level VHF radios
  • Polls your contacts for their Lat/Long position automatically
  • Can be set to 1, 5, 15, 30 or 60 minute intervals
  • Displays the position on a compatible chart plotter
  • Great for keeping track of friends, family or vessels you need to know the position of


Frequency Range: Transmit

156.025~157.425 MHz

Frequency Range: Receive

156.050~163.275 MHz

Number Of Channels


Oscillate Mode



FM(16KOG3E) DSC(16K0G2B)

Channel Spacing


Frequency Stability

±5 PPM

Temperature range -15°C to +55°C (5°F to 131°F)

Normal Working Voltage

+13.6 V DC

Minimum operating Voltage

≤10 V DC

Low battery detect Voltage

10.5 ± 0.5 V DC

Digital Selectivity Calling (DSC)

Class D


Intermediate Frequency : 1st

38.85/21.7 MHz

Intermediate Frequency : 2nd

450 KHz

Sensitivity : 12dB SINAD

≤-6 dBuV(EMF)

Squelch Sensitivity: at tight

≤6 dBuV(EMF)

Spurious Response Rejection Ratio 70 dB

Adjacent Channel Selectivity

≥70 dB

Intermodulation Response

≥68 dB

S/N at 3KHz Dev.

≥40 dB

Audio Output Power At THD 10%  

≥2.5 W

Audio Distortion

≤10 %

Audio Response

+1 to -3dB of 6dB/octave from 300hz to 3kHz dB

Current Drain : Max Audio Power

≤1.5 A

Current Drain : Stand-By

≤0.5 A

2ND RX Sensitivity For 12dB SINAD

≤0 dBuV(EMF)

2ND RX bit error [email protected]



Frequency error


RF Power

Hi23W ± 2W :Lo 0.8W ± 0.2W

Maximum Deviation

≤±5 KHz

S/N at 3KHz Dev.

≥40 dB

Modulation Distortion ±3KHz

≤10 %

Audio Response at 1KHz Dev.

+1 to -3dB of 6dB/octave from 300hz to 3KHz

Spurious/Harmonic Emissions: Hi/LO


Modulation Sensitivity

≤15 mV

Current Drain At 12V DC

Hi Power =6A: Lo Power =1.5A

DSC TX deviation at 1.3K

2.6±0.26 KHz

DSC TX deviation at 2.1K


ATIS TX deviation at 1.3 KHz

1.3±0.13 KHz

ATIS TX deviation at 2.1 KHz

2.1±0.21 KHz



Declaration of Conformity

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