MRK980-US-EXO

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

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