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Q-MAC Electronics Pty Ltd Tactical Radios Digital Encrypted Speech, Data and Video over HF SSB.

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Presentation on theme: "Q-MAC Electronics Pty Ltd Tactical Radios Digital Encrypted Speech, Data and Video over HF SSB."— Presentation transcript:

1 Q-MAC Electronics Pty Ltd Tactical Radios Digital Encrypted Speech, Data and Video over HF SSB

2 QM4091M HF SSB Digital Modem Digital Voice Digital Data Digital Video All Encrypted QM4091M ModemStandard Analog HF SSB Radio

3 Digital Voice Encrypted Voice Communications

4 Digital Data Encrypted Data Communications

5 Digital Video over HF Encrypted Surveillance Video Applications Remote Area Monitoring Surveillance Video signals are captured to memory and sent as image. No PC is required just analog video in. Camera Monitor

6 Technical Specifications OFDM Modem 36 carriers DQPSK 280Hz 2530Hz bps AFC ±125Hz 1sec 3 tones Header, 20msec OFDM frame 4msec Guard Interval

7 Digital Voice Totally encrypted (2 71 code based key) Excellent voice quality at low bit rates. Easy interface with HF-90 Radio Acceptable quality during fading signals Automatic detection of digital voice Compatible with HF-90 selective calling handsets MIC ADC Vocoder AMBE OFDM Modulator DAC Transmitter Encryption ADC OFDM Demodulator Vocoder AMBE DAC SPKR Receiver De-Encryption

8 Digital Video Totally Encrypted Video Capture from the PAL/NTSC video source PAL/NTSC video output to Monitor (No PC required) Powerful forward error correction Flexible PC interface option for control of upload/download 368x240 with compression Auto detection of incoming picture Camera Video Decoder Frame Memory Compre- ssion FEC Coding OFDM Mod. OFDM Demod. Error Correction Expan- sion Frame Memory Video Encoder Monitor Transmitter Receiver

9 Data Transmission Totally encrypted Transmission of ASCII or Binary packets 2Kbyte maximum packet size FEC Vitabi and Reed/Solomon Auto Detection Data mode PC Buffer FEC Coding OFDM Mod. OFDM Demod. Error Correction Buffer ASCII or Binary Transmitter Receiver PC

10 Customer Benefits Simple to use Automatic detection of Voice, Video, Data Digital encryption with forward error correction (FEC) Robust in poor signal conditions Small Size Compatible with Q-MAC HF Radios and 3 rd party products


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