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The Wisycom MRK960 is a Two Channels Ultrawide band receiver



Wisycom MRK980 is a true diversity, ultra-wideband dual channel receiver. With its 1090MHz of band switching, it ensures the users an exceptional band flexibility, combined with a superb selectivity and intermodulation immunity, for best operating performances of the wireless microphone systems. MRK980 also features an internal DSP processor, Wisycom famous Multicompanding system, new Dante compatibility and a completely and renewed user interface, which make this system easy and quick to setup.

Features

  • Two channels true diversity receiver (full DSP processing)
  • Up to 1090 MHz bandwidth in 170/1260 MHz range
  • Push to talk (PTT) enabled with dedicated outputs (optional)
  • Analogue, AES/EBU & Dante outputs (with redundancy)
  • Dante machine Synchronized mode: no sample rate delay!
  • Next Gen Multiband front-end filtering:
  • - High Q moving filter in 170-230 MHz
    - High Q moving filter in 470-800 MHz
    - High Q moving filter in 960-1160 MHz (DME) (or 806-810 MHz saw filter - Japan)
    - Country specific saw filters: USA 940-960 MHz or Japan 1240-1260 MHz
  • Wideband and Narrowband DSP-FM operation (SW selectable):
  • - Narrowband allows 50% more band efficiency (200/250 kHz channel density)
    - Narrowband allows about 3dB extra sensitivity and noise immunity
  • Extreme low noise VCO with ultrafast spectrum scan for optimal quick & easy setup
  • High contrast OLED display
  • Monitor & control through USB and Wisycom Manager 2.0 (computer SW)
  • Expansion slot for GPIO or future additional feature
  • Specifications

    Frequency ranges: 170 ÷ 230MHz (VHF) and 470 ÷ 800MHz and
    960 ÷ 1160 MHz (DME) or 806 ÷ 810 MHz (JP) or 940 ÷ 960 MHz (USA) or 1240 ÷ 1260 MHz (JP)
    Switchable channels: 2400 managed in 40 groups ofr 60 frequencies completely user customizable
    Switching-window: up to 1090 MHz
    Frequencies: microprocessor controlled PLL frequency synthesizer circuit, with 5 KHz minimum step;
    frequencies are easily PC reprogrammed with Wisycom Manager thru Ethernet
    Frequency error: < ± 2.5 ppm, within the rated temperature range
    Diversity technique: true-diversity (Twin receiver circuits)
    Modulation: FM mono, wideband or narrowband (SW selectable)
    Peak deviation: ±40 kHz (narrowband), ±56 kHz (wideband), ±80 kHz MAX
    "A" / "B" antenna inputs: 2 x BNC type female connectors for inputs, 2 x BNC type female connectors for loop
    Antenna input impedance: 50 ohm (SWR < 1:2)
    Antenna booster powering: +12Vcc / 300mA MAX
    Sensitivity: Normal Mode:
    Wideband 2 dBV / Narrowband -0,3 dBV
    High Sensitivity Mode:
    Wideband 1 dBV / Narrowband -1,3 dBV
    Amplitude response : < 0.2 dB (for RF input signal: +4 dBµV ÷ +120 dBµV)
    Co-channel rejection: > -3.5 dB @ 2 µV RF; > -1.5 dB @ 100 µV RF
    Adjacent chan. selectivity : > 90 dB @ ± 300 KHz (wideband), > 90 dB @ ± 150 KHz (narrowband),
    Spurious rec. rejection: > 90 dB
    IF image rejection: > 110 dB
    IIP3: >= +20 dBm (typical)
    Spurious emissions: < 1pW (typical. = 0.1 pW)
    Noise Reduction system: compander circuit, can be pre-set (or switched off) to the following modes:
    - ENR (Wisycom Extended-NR) noise optimized
    - ENC (Wisycom Extended-NC) voice optimized & with reduced pre-emphasys
    - CUSTOM (to be compatible with other brands transmitters)
    AF bandwidth: 20 Hz ÷ 20 kHz (wideband), 20 Hz ÷ 15 kHz (narrowband)
    Frequency response: ± 0.5 dB in the 20 Hz ÷ 19 kHz range (wideband),
    ± 0.5 dB in the 20 Hz ÷ 13 kHz (narrowband)
    Distortion: 0,08% typ. (nominal deviation @1kHz)
    SND/D ratio (Analogue): 115 dBA typ.(analog),
    SND/D ratio (Digital): >130 dBA (AES3/Dante)
    Audio output:
    -2 XLR-3M connectors + 2 TRS for audio line-outpus trafo balanced (MAIN OUTs with transformer)
    - 2 XLR-3M connectors for audio outpus balanced transformer-like floating (AUX OUTs used for PTT)
    Audio output level:
    +24 dBu @ peak deviation for MAIN and AUX outputs
    +14dBu @ peak deviation for TRS outputs
    Calibrating AF tone: tone/sweep, up to +24 dBu (on MAIN and/or AUX outputs)
    Digital output:
    AES3: XLR-3M with word clock in/out
    Dante: 2 x Ethernet 10/100/1000 Base TX RJ45
    Digital sample rate: AES3 @ 48 kHz 24 bit, word clock input from 32KHz to 108KHz
    Monitor output: 1/4" (6.3 mm) stereo jack connector
    Monitor output level: max 6 Vrms / 150 ohm
    Monitor out impedance: 100 ohm for auricle
    Managing interface: 2 x 10/100/1000 Base TX RJ45 Ethernet, Infrared, Bluetooth
    Bar-graph meters: RF Level Bars: RF field strengths (both "A" and "B" inputs) from 10 to 70 dBV or LQ (link quality)
    AF Bars: deviation (5% ÷ 150%), with peak-hold mode.
    Display: 64 x 256 OLED (yellow)
    Powering : AC 99 ÷ 138 Vac and 187 ÷ 264 Vac, with automatic switching / 100 VA max.
    DC options: 6A max @ 10÷28VDC (optional)
    Temperature range: -10 ÷ + 55 °C
    Dimensions: 19"/1U
    Weight: 4 Kg approx.
    *RMS value, A-weighted, 22 Hz / 22 KHz

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