Appendix A. Specifications; Hpt102 Vhf Modem Specifications; General Radio Specifications - Javad HPT102 Operator's Manual

S
PECIFICATIONS
A.1. HPT102 VHF Modem Specifications
The following sections provide specifications for the modem and its internal components.
A.1.1. General Radio Specifications
Table below lists the modem's general specifications.
Operating Frequency Range
Channel Spacing
Data Rate (25kHz Channel Spacing)
Data Rate (20kHz Channel Spacing)
Data Rate (12.5kHz Channel Spacing)
Data Rate (6.25 kHz Channel Spacing)
System Gain for DBPSK
modulation (Antenna gain is not
included)
Roaming Speed for DBPSK modulation 75 mph / 120 km/h
Modulation
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Table A-1. General Radio Specifications
Parameter Specification
138 - 174 MHz
25/20/12.5/6.25 kHz
9600 bps – DBPSK/GMSK
19200 bps – DQPSK/4FSK
28800 bps – D8PSK
38400 bps – D16QAM
7500 bps – DBPSK/GMSK
15000 bps – DQPSK/4FSK
22500 bps – D8PSK
30000 bps – D16QAM
4800 bps – DBPSK/GMSK
9600 bps – DQPSK/4FSK
14400 bps – D8PSK
19200 bps – D16QAM
2400 bps – DBPSK
4800 bps – DQPSK
7200 bps – D8PSK
9600 bps – D16QAM
149 dB (for 25 kHz Channel Spacing)
149 dB (for 20 kHz Channel Spacing)
151 dB (for 12.5 kHz Channel Spacing)
152 dB (for 6.25 kHz Channel Spacing)
GMSK/4FSK/DBPSK/DQPSK/D8PSK/D16QAM
Appendix A
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