Appendix B: 67
Appendix B: Technical specification
Transmitter
Receiver
Channels All available US, International and Canadian VHF Marine Band
Frequency Stability ± 1.5 kHz
Frequency Range 155.000 - 165.000 MHz
Channel Spacing 25 kHz
Power Output 25 W / 1 W
Modulation Frequency modulation
Modulation Audio Response +1 to -30dB of 6db/ octave 300 Hz to 3000 Hz
FM Hum & Noise level < -40 dB
Audio Distortion < 10%
Spurious & Harmonic (25W) better than 80 dB
Antenna Impedance 50 ohms
Channels All available US, International and Canadian VHF Marine Band
Frequency Range 155.000 - 165.000 MHz
Frequency Stability ± 1.5 kHz
Usable Sensitivity (20dB) SINAD <0.4 µV
Squelch Sensitivity <0.2µV
Adjacent Channel Rejection > 70 dB
Spurious Image Rejection > 70 dB
Inter modulation Rejection > 68 dB
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