SPECIFICATIONS
FM-4850 Operator’s Manual
106
SPECIFICATIONS
1. GENERAL
1.1 Channels International, USA and Canada
1.2 Frequency stability With
±
1.5 kHz
1.3 Communication system Simplex / Semi-duplex
1.4 Antenna impedance 50 ohms
1.5 Display Monochrome, 192×128 dot (HS-4800)
2. TRANSMITTER
2.1 Frequency Range 156.025MHz to 162.000MHz
2.2 Output power 25W max., 1W at power reduction
2.3 Frequency deviation
±
5kHz max.
2.4 Spurious emission Standby: less than 2nW
Transmit: less than 0.25
μ
W
2.5 Modulation 16K0G3E(F3E) Voice, 16K0G2B(F2B) DSC
3. RECEIVER
3.1 Frequency Range 155.500MHz to 162.0375MHz
Frequency range of Weather Channel
162.550 MHz to 163.275 MHz (Only USA and Canada)
3.2 Sensitivity +6 dB
μ
V(e.m.f) or less (SINAD 20dB)
3.3 Channel selectivity 70dB or more
3.4 Spurious response 70dB or more
4. DSC receiver
4.1 Protocol Class D DSC
4.2 Sensitivity 0 dB
μ
V(e.m.f) or less (BER < 1%)
4.3 Channel selectivity 70dB or more
4.4 Spurious response 70dB or more
5. AIS receiver
5.1 Receiver frequency (CH) 161.975 MHz (AIS1), 162.025 MHz (AIS2)
5.2 Sensitivity -107 dBm or less (PER < 20%)
5.3 Channel selectivity 70dB or more
5.4 Spurious response 70dB or more
Содержание FM-4850
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Страница 123: ...OUTLINE DRAWINGS FM 4850 Operator s Manual 114 HS 4800 Desktop mounting and wall mounting Weight 0 3 kg...
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