Wisycom MTB40S
MPN #MTB40S
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 displayNew XLR locking systemIntegrated HW limiter
Features
Up to 232 MHz bandwidth in 470/798 MHz rangeEnhanced robustness against self-interferences and antenna performances thru a proprietary "intermodulation cancellation" circuitMiniature design with flexible pcb (no connectors) for extended reliabilityUser selectable companding systemsENR (noise optimized)ENC (voice optimized)Input dynamic extension with an integrated HW limiter (30 dB above peak)P48 phantom power for condenser microphonesNew 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 updateAudio input circuitry with high linearity audio transformerBattery: 2 AA Alkaline or rechargeable NiMH or Lithium
Specifications
Frequency ranges
B5 option: 470 ÷ 654 MHzB3 option: 510 ÷ 698 MHzB2 option: 566 ÷ 798 MHz
Switchable channels
2400 managed in 40 groups ofr 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 mWnote: 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 operatingremote battery monitoringoptional PTT (push to talk) operation
Noise Reduction system
ENR (Wisycom Extended-NR), with independent Attack- and Recovery-time, noise optimizedENC (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 deviationtyp. 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
LED
RGB led indication with (red, green and blue):
Wireless transmission status: GREEN on/RED offBattery lifetime status: GREEN steady (> 25%), slowly blinking (< 25%), quickly blinking (<12%)Modulation peek (if activated & the limiter is disabled): REDLimiter 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)
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