Πέμπτη 21 Μαρτίου 2019

Simrad RS20 Class D DSC VHF Radio

Simrad RS20 Class D DSC VHF Radio
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.
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
ALL SCAN
ALL CHANNELS + 16
MY CHANNELS
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
Specifications
Frequency Range: Transmit
156.025~157.425 MHz
Frequency Range: Receive
156.050~163.275 MHz
Number Of Channels
US / INT
Oscillate Mode
PLL
Modulation
FM(16KOG3E) DSC(16K0G2B)
Channel Spacing
25KHz
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
RECEIVER
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 ratio@-107dBm ≤10-2
Transmitter
Frequency error ≤±1.5KHz
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 ≤0.25uW
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 4.2±0.42KHz
ATIS TX deviation at 1.3 KHz 1.3±0.13 KHz
ATIS TX deviation at 2.1 KHz 2.1±0.21 KHz

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