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 dBV (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

SP - 1

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Furuno FM-8700 manual Specifications of Marine VHF Radiotelephone