Wisycom MTB40S

MTB40S benefit of the latest Wisycom RF technology along with an enhanced robustness against noise and inter-modulation.

Improved 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

FREQUENCY RANGES:

• B5 option: 470 ÷ 654 MHz

• B3 option: 510 ÷ 698 MHz

• B2 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 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

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

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)