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SPECIFICATIONS OF MARINE VHF RADIOTELEPHONE
FM-8700
1. GENERAL
(1) Number of Channels INTL: 55
USA: 55
Weather: 10
Private: 20
(2) Frequency Stability Within
±1.5 kHz
(3) Communication System Full-duplex/Semi-duplex/Simplex
(4) Class of Emission G3E (Voice)
G2B (DSC)
(5) Antenna Impedance 50 ohms
2. TRANSMITTER
(1) Frequency Range 155.000 to 161.475 MHz
(2) Output Power 25 W max., 1 W at power reduction
(3) Frequency Deviation
±
5 kHz
3. RECEIVER
(1) Frequency Range 155.000 to 166.075 MHz
(2) Receiving System Double Super heterodyne
(3) Intermediate Frequency 1st: 21.4MHz
2nd: 455 kHz
(4) Sensitivity -8 dBµV (12 dB SINAD)
(5) Adjacent Channel Selectivity
70 dB or more
(6) Spurious Response 70 dB or more
(7) AF output Built-in Speaker: 2 W (8 ohms)
4. DSC
(1) Protocol ITU-R Rec. 541-7, 493-8 (class A) and 689
(2) Baud Rate 1200 baud
±30 ppm max.
(3) Modulation AFSK
(4) Frequency Shift 1700
±
400 Hz
Mark: 1300 Hz
Space: 2100 Hz
(5) Navigation Data NMEA0183