MRK980 Two-Channel Rack Receiver

<Frequency ranges>170 ÷ 230MHz (VHF) and 470 ÷ 800MHz and 940 ÷ 960 MHz (USA)</Frequency ranges> <Switchable channels>2400 managed in 40 groups ofr 60 frequencies completely user customizable</Switchable channels> <Switching-window>up to 1090 MHz</Switching-window> <Frequencies>microprocessor controlled PLL frequency synthesizer circuit, with 5 KHz minimum step; frequencies can by reprogrammed with Wisycom Manager via Ethernet with a PC</Frequencies> <Frequency error>Less than ± 2.5 ppm, within the rated temperature range</Frequency error> <Diversity technique>true-diversity (Twin receiver circuits)</Diversity technique> <Modulation>FM mono, wideband or narrowband (SW selectable)</Modulation> <Peak deviation>±40 kHz (narrowband), ±56 kHz (wideband), ±80 kHz MAX</Peak deviation> <“A” / “B” antenna inputs>2 x BNC type female connectors for inputs, 2 x BNC type female connectors for loop</“A” / “B” antenna inputs> <Antenna input impedance>50 ohm (SWR Less than 1:2)</Antenna input impedance> <Antenna booster powering>=+12Vcc / 300mA MAX</Antenna booster powering> <Sensitivity>Normal Mode: Wideband 2 dBμV / Narrowband -0,3 dBμV; High Sensitivity Mode: Wideband 1 dBμV / Narrowband -1,3 dBμV</Sensitivity> <Amplitude response>Less than 0.2 dB (for RF input signal: +4 dBµV ÷ +120 dBµV)</Amplitude response> <Co-channel rejection>Greater than -3.5 dB @ 2 µV RF; Greater than -1.5 dB @ 100 µV RF</Co-channel rejection> <Adjacent chan. selectivity>Greater than 90 dB @ ± 300 KHz (wideband), Greater than 90 dB @ ± 150 KHz (narrowband),</Adjacent chan. selectivity> <Spurious rec. rejection>Greater than 90 dB</Spurious rec. rejection> <IF image rejection>Greater than 110 dB</IF image rejection> <IIP3>Greater than= +20 dBm (typical)</IIP3> <Spurious emissions>Less than 1pW (typical. = 0.1 pW)</Spurious emissions> <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-emphasis; CUSTOM ( for compatability with other manufacturer's transmitters)</Noise Reduction system> <AF bandwidth>20 Hz ÷ 20 kHz (wideband), 20 Hz ÷ 15 kHz (narrowband)</AF bandwidth> <Frequency response>± 0.5 dB in the 20 Hz ÷ 19 kHz range (wideband); ± 0.5 dB in the 20 Hz ÷ 13 kHz (narrowband)</Frequency response> <Distortion>0,08% typ. (nominal deviation @1kHz)</Distortion> <SND/D ratio (Analogue)>115 dBA typ.(analog),</SND/D ratio (Analogue)> <SND/D ratio (Digital)>Greater than130 dBA (AES3/Dante)</SND/D ratio (Digital)> <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> <Audio output level>=+24 dBu @ peak deviation for MAIN and AUX outputs; +14dBu @ peak deviation for TRS outputs</Audio output level> <Calibrating AF tone>tone/sweep, up to +24 dBu (on MAIN and/or AUX outputs)</Calibrating AF tone> <Digital output>AES3: XLR-3M with word clock in/out; Dante: 2 x Ethernet 10/100/1000 Base TX RJ45</Digital output> <Digital sample rate>AES3 @ 48 kHz 24 bit, word clock input from 32KHz to 108KHz</Digital sample rate> <Monitor output>1/4” (6.3 mm) stereo jack connector</Monitor output> <Monitor output level>max 6 Vrms / 150 ohm</Monitor output level> <Monitor out impedance>100 ohm for auricle</Monitor out impedance> <Managing interface>2 x 10/100/1000 Base TX RJ45 Ethernet, Infrared, Bluetooth</Managing interface> <Bar-graph meters>RF Level Bars: RF field strengths (both “A” and “B” inputs) from 10 to 70 dBμV or LQ (link quality); AF Bars: deviation (5% ÷ 150%), with peak-hold mode.</Bar-graph meters> <Display>64 x 256 OLED (yellow)</Display> <Powering>AC 99 ÷ 138 Vac and 187 ÷ 264 Vac, with automatic switching / 100 VA max.</Powering> <DC options>6A max @ 10÷28VDC (optional)</DC options> <Temperature range>-10 ÷ + 55 °C</Temperature range> <Dimensions>19”/1U</Dimensions> <Weight>4 Kg approx.</Weight>