SPECIFICATIONS OF MARINE VHF RADIOTELEPHONE
1. GENERAL
(1) | Number of Channels | INTL: 57 |
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| USA: 55 (57)* |
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| Weather: 10 |
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| Canada: 55 (57)* |
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| Private: 20 | *: CH75&76 can be included |
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| MEMORY CH: 50 | for some countries. |
(2) | Frequency Stability | Within ±1.5 kHz |
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(3) | Communication System | ||
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(4) | Class of Emission | 16K0G3E (Voice) |
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| 16K0G2B (DSC) |
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(5) Antenna Impedance | 50 ohms |
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2.TRANSMITTER
(1) Frequency Range
(2)Output Power
(3)Frequency Deviation
3. RECEIVER
Simplex | 155.000 to 161.475 MHz | |
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| 155.000 to 161.475 MHz | |
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Simplex | 155.000 to 158.000 MHz | |
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| 155.000 to 158.000 MHz | |
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25 W max., 1 W at power reduction <5 kHz
(1) Frequency Range |
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Simplex | 155.000 to 159.600 MHz | |||
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| 161.475 to 164.200 MHz | ||
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| Simplex | 155.000 to 158.000 MHz | ||
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| 160.625 to 162.600 MHz | ||
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(2) | Receiving System | Double Superheterodyne |
(3) | Intermediate Frequency | 1st: 51.2375 MHz, 2nd: 37.5 kHz |
(4) | Sensitivity | +6 dB∝V (20 dB SINAD) |
(5) Adjacent Channel Selectivity | 70 dB or more | |
(6) | Spurious Response | 70 dB or more |
(7) AF Output | ||
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| Handset earphone: 2mW (150 ohms) |
4. DSC |
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(1) | Protocol | |
(2) Baud Rate | 1200 baud ±30 ppm max. | |
(3) | Modulation | AFSK |
(4) | Frequency Shift | 1700 ±400 Hz |
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| Mark: 1300 Hz, Space: 2100 Hz |