Power supply: 12 V DC battery system
Nominal operating voltage: + 13.6 V DC
Low battery alert: 10.5 V DC +/- 0.5 V
Over voltage protection: > 15.8 V +/- 0.5 V
Current drain (Transmit): ≤ 6 A @ 25 W / 1.5 A @ 1W (12 V DC)
Current drain (Receive): Less than 450 mA in standby
Replacement Fuse: 8 A, Glass type 3 AG; 32 mm (1.25”)
Temperature range: -20 .C to +55 .C (-4 .F to 131 .F)
Usable channels: International, USA, Canada, Weather
(country specific)
Mode: 16K0G3E (FM) / 16K0G2B (DSC)
DSC mode: Class D (Global) with dual receiver
(individual CH70)
Frequency range (Transmitter): 156.025 - 157.425 MHz
Frequency range (Receiver): 156.050 - 163.275 MHz
Channel spacing: 25 KHz
Frequency stability: Å} 5 ppm
Frequency control: PLL
PHYSICAL
LCD display (viewing): 42 mm x 34 mm (1.65” x 1.3”), FSTN
Contrast control: Yes
Backlight control: Yes
VHF antenna connector: SO-239 (50 ohm)
GPS antenna connector: SMA (female)
Waterproof: IPx7
Dimensions: W=166.7 mm (6.56”) x H=89.2 mm
(3.5”) x D=161.4 mm (6.35”) - without
bracket
Weight: 1.18 kg (2.6 lbs)
Compass safe distance: 0.5 m (1.5’)
NMEA 0183 port: Yes
NMEA 0183 input: RMC, GGA, GLL, GNS
NMEA 0183 output: Yes, DSC ( for DSC call), DSE (for
enhanced position)
7
44 | Specifications | V20S User Guide
NMEA 2000 port: Yes
External speaker: Yes
FEATURES
Flush mount kit Yes
Local/Distant control: Yes
Position polling: Yes
Group call: Yes
Call logs: Yes - 20 individual and 10 distress
Channel naming: Yes
Tri watch: Yes
Favourite channel scan: Yes
All scan: Yes
User programmable MMSI: Yes
MMSI and NAME directory: Yes - 20 numbers & group
TRANSMITTER
Frequency error: ≤Å} 1.5 KHz
Output power: 25 W (23 Å} 2) / 1 W (0.8 Å} 0.2)
Transmitter protection: Open / short circuit of antenna
Max Frequency deviation: ≤Å} 5
Spurious & harmonics Hi/Lo: ≤ 0.25 μ W
Modulation Distortion Å}3KHz: ≤ 10 %
S/N at 3KHz Deviation: ≥ 40 dB
Audio Response at 1KHz: +1 to -3dB of 6 dB/octave from
300 hz to 3 KHz
DSC TX deviation at 1.3K: 2.6 Å} 0.26 KHz
DSC TX deviation at 2.1K: 4.2 Å} 0.42 KHz
ATIS TX deviation at 1.3 KHz: 1.3 Å} 0.13 KHz
ATIS TX deviation at 2.1 KHz: 2.1 Å} 0.21 KHz
RECEIVER
12dB SINAD sensitivity: 0.25 μV (distant) / 0.8 μV (local)
20db SINAD sensitivity: 0.35 μV
Adjacent CH selectivity: more than 70 db
Spurious response: more than 70 db
Intermodulation rejection: more than 68 db
Specifications | V20S User Guide | 45
Residual noise level: more than -40 db unsquelched
Audio output power: 2 W (with 8 ohm at 10% distortion)
4 W (with 4 ohm external speaker
BUILT-IN GPS RECEIVER
Receiving frequency: 1575.42 MHz
Tracking code: C/A code
Number of channels: 72 channels
Horizontal accuracy: <10 m
Position fixing time: Warm start: 30s, Cold start: 90s
Position update interval: 1 second typical
ACCESSORIES
VHF Radio antenna type: Dipole. Gain value: 6 dBi
