iHOS IWC-400

Professional wireless system for conferences, with microphones and UHF frequency band 620–678 MHz, based on PLL Synthesized circuit. Includes four transmitters for conferencing with Push-to-Talk button and speaking time display on screen, plus base receiver for 4 conference microphones. The frequency is synchronised via IR Sync directly from the receiver.

• The system includes one receiver and 4 speaking bases (transmitters)
• UHF frequency range: 620–678 MHz
• The LCD screen displays frequency, AF signal, RF etc.
• Continuous operating time: approximately 5 hours
• Total of 16 selectable frequency bands, with total coverage of 360 MHz
• Modulation: DQPSK
• RF bandwidth: 60 MHz
• Number of channels: 200
• Channel spacing: 300 kHz
• Frequency stability: +/- 0.005 %
• Dynamic range: >100 dB
• Frequency response: 60 Hz – 18 kHz (+/- 3 dB)
• Signal-to-noise ratio (SNR): >106 dB
• Distortion: <0.2%
• Operating temperature: -10°C to +40°C
• Receiver: 
  • Reception mode: DQPSK dual antenna true diversity
  • Wireless interface: BNC / 50Ω
  • Maximum output level: +10 dBV
• Transmitter:
  • Output power: High Power 10 mW / Low Power 3 mW
  • Rejection of parasitic signals: -60 dB
  • Power supply: 2 AA batteries (2800 mAh)
  • Operating duration:
    • 8 hours at 10 mW
    • 12 hours at 3 mW