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Q-MAC Electronics Pty Ltd

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

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Q-MAC Electronics Pty Ltd

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

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

  3. Digital Voice Encrypted Voice Communications

  4. Digital Data Encrypted Data Communications

  5. 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.

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

  7. Digital Voice • 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 Transmitter Vocoder AMBE OFDM Modulator ADC Encryption DAC Vocoder AMBE OFDM Demodulator De- Encryption ADC DAC SPKR Receiver

  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 Transmitter Video Decoder Frame Memory Compre- ssion OFDM Mod. FEC Coding Camera Expan- sion Error Correction OFDM Demod. Video Encoder Frame Memory Receiver Monitor

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

  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 3rd party products

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