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Wisycom MTB40S - Plug-on Transmitter - Ultrasonic - NarrowBand - Linear

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MTB40S is an extremely small and light plug-on transmitter especially designed for professional wireless microphone applications. MTB40S benefit of the latest Wisycom RF technology along with an enhanced robustness against noise and inter-modulation. Improved features:

  • New white OLED display
  • New XLR locking system
  • Integrated HW limiter

FEATURES:

  • Up to 232 MHz bandwidth in 470/798 MHz range
  • Enhanced robustness against self-interferences and antenna performances thru a proprietary “intermodulation cancellation” circuit
  • Miniature design with flexible pcb (no connectors) for extended reliability
  • User selectable companding systems
    • ENR (noise optimized)
    • ENC (voice optimized)
  • Input dynamic extension with an integrated HW limiter (30 dB above peak)
  • P48 phantom power for condenser microphones
  • New white OLED display (128 x 32 pixels)
  • New XLR-3F connector with locking collar to ensuring an extremely tight noiseless fit!
  • Infrared interface for management and firmware update
  • Audio input circuitry with high linearity audio transformer
  • Battery: 2 AA Alkaline or rechargeable NiMH or Lithium
  • 1x Wisycom MTB40S Plug-on Transmitter

RF Specs

  • Frequency ranges
    • B2: 566-798Mhz
    • B3: 510-696Mhz
    • B6: 960-1160Mhz
    • B7: 470-663Mhz
  • Switchable channels - 2400 managed in 40 groups of 60 frequencies completely user customizable
  • Switching-window - Up to 232 MHz, depending on band (see Variants below)
  • Frequencies - Quartz PLL frequency synthesizer circuit (25 kHz step)
  • Frequency error - ± 2.5 ppm, in the rated temperature range
  • RF Power - switchable typ. 10 mW / 50 mW /100 mW
    • note: in some countries high power can be disabled, for local norm!
  • Modulation - wideband FM, with pre-emphasis
  • Nominal deviation - ±40 kHz
  • Peak deviation - ±56 kHz
  • Spurious emissions - < 2 nW
  • Telemetry feature - TX transmits also a digitally modulated sub-carrier, suitable for:
    • tone-squelch operating
    • remote battery monitoring
    • optional PTT (push to talk) operation

      Audio Specs

  • Noise Reduction system:
    • ENR (Wisycom Extended-NR), with independent Attack- and Recovery-time, noise optimized
    • ENC (Wisycom Extended-NC), with independent Attack- and Recovery-time, voice optimized & with reduced pre-emphasys
  • AF bandwidth:
    • 45 Hz ÷ 21 KHz (3dB)
    • 55 Hz ÷ 20 KHz (1dB)
  • Distortion - < 0.3 % (0.15 % typ.)
  • SND/D ratio (Analogue):
    • typ. 115 dB (A)rms with 40kHz deviation
    • typ. 121 dB (A)rms with 56kHz deviation
  • Audio input connector - XLR-3F (transformer isolated) with locking collar and 48V phantom power
  • Audio input level - 100 dB adjustable range from -54 dBu (775 uV) to 46 dBu (15.5 V) at peak deviation (1 kHz), adjustable in 1 dB steps
  • Max input level - +46 dBu (15.5 V) at clipping, +20 dBu (7.75 V) at nominal level

    Other Specs

  • Managing Interface - IrDA
  • LED:RGB led indication with (red, green and blue):
    • Wireless transmission status: GREEN on/RED off
    • Battery lifetime status: GREEN steady (> 25%), slowly blinking (< 25%), quickly blinking (<12%)
    • Modulation peek (if activated & the limiter is disabled): RED
    • Limiter into action: Blue
  • Battery lifetime indication - 8 steps : 7 bars (100%-87%-75%-63-50%-38%-25%) and “empty bar” quickly blinking (12% remaining)
  • Display - High contrast OLED (Organic light-emitting diode) white display (128 x 32 pixels)
  • Power supply - 2 AA size cell (Alkaline, rechargeable NiMH or Lithium)
  • Temperature range - -10 ÷ +55 °C
  • Dimensions - 124 x 40 x 34 mm (HxWxD)
  • Weight - Approx. 210 g. without batteries (250g with batt)