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VHF 300 Series Owner’s Manual 47
Appendix
Adjacent Channel Power: -70 dBc or less
Conducted Spurious Emission: -36 dBm or less
Receiver
Audio Distortion: Less than 10%
Hum and Noise: Less than -40 dB
Squelch Operation: Less than 107 dBm at tight setting
Adjacent Channel Rejection: 70 dB or more
Spurious Response: 70 dB or more
Inter-modulation Response: 70 dB or more
Audio
Full-function Handset:
Impedance: 4 Ω
Input Power: 4 W
External Speaker:
Output Power: 4 W (4 Ω/max)
VHF 300/300i AIS Specications
Dimensions: W × H × D: 9
3
/
4
× 7
3
/
32
× 2
1
/
2
in. (248 × 180 × 64 mm)
Weight: 4.177 lb. (1.895 kg)
Temperature Range: from 14ºF to 122ºF (from -10ºC to 50ºC)
Compass-safe Distance: 20 in. (500 mm)
Waterproof: IEC 60529 IPX7 (Immersion in 1 meter of water for 30 minutes)
Antenna Connector: S0-239 (50 Ω)
Digital Selective Calling: Class D
Frequency Bands: All USA, Canadian, and International marine channels; 10 NOAA
weather channels
Maximum Antenna Gain: 9 dBi
Antenna Port Impedance: 50 Ω
Power
Operating Voltage: from 10.8 to 15.6 Vdc (12 Vdc boat battery)
Current Drain:
Transmit (High Power): 6 A max
Transmit (Low Power): 2 A max