User's Manual

Table Of Contents

Technical Specifications

Modem

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4.1.4. Modem

Receiver Dynamic Range -119 to -52 dBm

Adjacent Channel Selectivity 70 dB for 25 kHz Channel Spacing

60 dB for 12.5 kHz Channel Spacing

50 dB for 6.25 kHz Channel Spacing

Component Details

Interface DSP UART (serial port)

Interface Connector 16-lead Connector

Data Speed of Serial Interface 9600 - 115200 bps

Data Rate of Radio Interface

(25 kHz Channel Spacing)

9600 bps – DBPSK/GMSK

19200 bps – DQPSK

28800 bps – D8PSK

38400 bps – D16QAM

Data Rate Radio Interface

(12.5 kHz Channel Spacing)

4800 bps – DBPSK/GMSK

9600 bps – DQPSK

14400 bps – D8PSK

19200 bps – D16QAM

Data Rate Radio Interface

(6.25 kHz Channel Spacing)

2400 bps – DBPSK

4800 bps – DQPSK

7200 bps – D8PSK

9600 bps – D16QAM

Forward Error Correction (FEC) Reed-Solomon Error Correction

Data scrambling Yes

Component Details