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SPECIFICATIONS
All specifications are subject to change without notice.
Radio Specifications
General
Controls
Status Indicators
Display
Buttons
Connectors and Cables
Size
Weight
Supply Voltage
Standard Accessories
Antenna Impedance
Microphone
Speaker
Operating Temperature Range
Shock and Vibration
FCC Approvals
Power Output
Power Requirement
Modulation
Hum and Noise Signal-to-Noise
Audio Distortion
Spurious Suppression
Output Power Stabilization
Frequency Range
Frequency Stability
Frequency Range
Sensitivity
Circuit
Squelch Sensitivity
Spurious Response
Adjacent Channel Selectivity
Audio Output Power
Power Requirement
IF Frequencies
Volume-Pwr, Squelch
Transmit power, Scan mode, Triple Watch mode, Battery High, Battery low, USA, CAN, INT, Alert,
Memory, GPS, Message, Weather band, GPS status and Channel Display
LCD (Full Dot Matrix)
ENT-1W/25W, Channel UP, Channel DOWN, CALL-MENU, WX-MEM, CLR-SCAN, 16/9-TRI, and
DISTRESS
Antenna, accessory, and DC power
H 2.62 inches x W 6.4 inches x L 5.12 inches (without Heat Sink)
H 66.6 mm x W 162.6 mm x L 130.1 mm (without Heat Sink)
1.0 kg (2.2 pounds)
Nominal 13.8V DC, negative ground (10.5 VDC to 16.0 VDC)
Mounting bracket and hardware, microphone hanger,
50 Ω nominal
Rugged 2 kΩ condenser mic element with coiled cord
1.77 inch, 8 Ω
–20 °C to + 50 °C (–4 °F to +122 °F)
Meets or exceeds EIA standards, RS152B and RS204C
Type accepted under part 80 of the Rules; meets Great Lakes Agreement and party boat requirements
Transmitter
1 watt or 25 watt (user selectable)
25 watts output: 6A@13.8V DC
±5 kHz deviation
45 dB@1 kHz with 3 kHz deviation with 1000 Hz modulating frequency (nominal)
Less than 8% with 3 kHz deviation with 1000 Hz modulating frequency
–40 dBm @ Hi, –40dBm @ Lo
Built-in automatic level control (ALC)
156 to 163 MHz
±10 ppm @ –20°C to + 50°C
Receiver
156 to 163 MHz
0.25 μV for 12 dB SINAD (nominal)
Dual Conversion Super Heterodyne PLL (Crystal for DSC)
0.2 μV Threshold
75 dB (nominal)
75 dB @ ±25 kHz (nominal)
2.5 watts (10% Distortion, 8 Ω load)
360 mA @ 13.8V DC at squelched, 920 mA @ 13.8V DC at maximum audio output
1st 41.925 MHz, 2nd 455 kHz (1st 21.7 MHz, 2nd 455 kHz for DSC)
VHF490 RADIO
1-800-BOATING
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