Q-MAC Electronics Pty Ltd

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Presentation transcript:

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

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

Digital Voice Encrypted Voice Communications

Digital Data Encrypted Data Communications

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

Technical Specifications OFDM Modem 36 carriers DQPSK 280Hz～2530Hz 50 - 3600bps AFC ±125Hz 1sec 3 tones Header , 20msec OFDM frame 4msec Guard Interval

Digital Voice MIC Totally encrypted (271 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

Digital Video Transmitter Receiver 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. Demod. Error Correction Expan- sion Encoder Monitor Transmitter Receiver

Data Transmission PC 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. Demod. Error Correction ASCII or Binary Transmitter Receiver

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 3rd party products

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