Furuno FM-8800D - Receiver; Dsc; CH70 WATCH Receiver

AP1) Specifications
AP1-2
3. Receiver
(1) Frequency range
(2) Receiving system Double superheterodyne
(3) Intermediate frequency 1st: 51.2375 MHz, 2nd: 37.5 kHz
(4) Sensitivity +6 dB
µ
V (20 dB SINAD)
(5) Adjacent channel selectivity 70 dB or more
(6) Spurious response 70 dB or more
(7) AF output Built-in speaker 3 W (4 ohms)
Handset earphone: 2 mW (150 ohms)
4. DSC
(1) Protocol ITU-R Rec. M541-8, M493-10 (class A)
INTL Ver.: 0550215-02.xx, 03.xx
ITU-R Rec. M541-9, M493-11(class A)
Russian Ver.: 0550220-01.xx
(2) Baud rate 1200 baud
±
30 ppm max.
(3) Modulation AFSK
(4) Frequency shift 1700
±
400 Hz
Mark: 1300 Hz
±
10 Hz, Space 2100 Hz
±
10 Hz
5. CH70 WATCH Receiver
(1) Receiving frequency 156.525 MHz
(2) Sensitivity Symbol error rate Less than 1% (at 0 dB
µ
V)
(3) Conducted spurious emission Less than 2 nW
Simplex 155.000 to 158.000 MHz
FM-8800D
Duplex 160.625 to 162.600 MHz
Simplex 155.000 to 159.600 MHz
FM-8800S
Semi-duplex 161.475 to 164.200 MHz