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
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
10 Hz
5. CH70 WATCH Receiver
(1) Receiving frequency 156.525 MHz
(2) Sensitivity Symbol error rate Less than 1% (at 0 dB
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
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