MTB40S-UN Plug-On Transmitter

<Switchable channels>2400 managed in 40 groups ofr 60 frequencies completely user customizable</Switchable channels> <Switching-window>Up to 232 MHz, depending on band (see Variants below)</Switching-window> <Frequencies>Quartz PLL frequency synthesizer circuit (25 kHz step)</Frequencies> <Frequency error>± 2.5 ppm, in the rated temperature range</Frequency error> <RF Power>switchable typ. 20 mW/ L20 mW / 50 mW /100 mW (note: in some countries high power can be disabled, for local norm)</RF Power> <Modulation>wideband FM, with pre-emphasis</Modulation> <Nominal deviation>±40 kHz Wideband / ±25 kHz Narrowband</Nominal deviation> <Peak deviation>±56 kHz Wideband / ±35 kHz Narrowband</Peak deviation> <Spurious emissions>Less than 2 nW</Spurious emissions> <Telemetry feature>TX transmits also a digitally modulated sub-carrier, suitable for tone-squelch operating, remote battery monitoring, optional PTT (push to talk) operation</Telemetry feature> <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</Noise Reduction system> <AF bandwidth in NarrowBand mode (NB)>45 Hz ÷ 17 KHz (3dB)</AF bandwidth in NarrowBand mode (NB)> <Distortion>Less than 0.3 % (0.15 % typ.)</Distortion> <SND/D ratio (Analogue)>typ. 115 dB (A)rms with 40 kHz deviation; typ. 121 dB (A)rms with 56 kHz deviation Wideband; typ. 115 dB (A)rms with 25 kHz deviation; typ. 121 dB (A)rms with 35 kHz deviation Narrowband</SND/D ratio (Analogue)> <Audio input connector>XLR-3F (transformer isolated) with locking collar and 48V phantom power</Audio input connector> <Audio input level>from -54 dBu (775 uV) to 26 dBu (15.5 V) at peak deviation (1 kHz), adjustable in 1 dB steps</Audio input level> <Max input level>+26 dBu (15.5 V) at clipping, +20 dBu (7.75 V) at nominal level</Max input level> <Managing interface>IrDA</Managing interface> <Battery lifetime indication>8 steps : 7 bars (100%-87%-75%-63-50%-38%-25%) and “empty bar” quickly blinking (12% remaining)</Battery lifetime indication> <Display>High contrast OLED white display (128 x 32 pixels)</Display> <Power supply>2 AA size cell (Alkaline, rechargeable NiMH or Lithium)– Phantom Power to Mic (max 4 mA)</Power supply> <Temperature range>-10 ÷ +55 °C</Temperature range> <Dimensions>4.88" x 1.58" x 1.34" (124 x 40 x 34 mm)</Dimensions> <Weight>Approx. 7.41 oz (210 g) without batteries; 8.82 oz (250 g) with batt</Weight>