Wisycom MTH410 - Wideband Handheld Transmitter - 470-663MHz - 100mW max power

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MTH410 is a handheld transmitter especially designed for professional wireless microphone applications. It is very easy and quick to use thanks to OLED display and 1 joggle selector and 2 buttons for straight setup of gain and channel.

It has been especially designed for robustness against noise and self-interference thanks to a dual power amplifier and a special “intermodulation cancellation” circuit.

MTH410 benefits of the LINEAR technology allowing EQUALLY SPACED frequency allocation intermodulation free. It is the only handheld transmitter able to change the modulation by software working as Wideband or Narrowband. Thanks to the LINEAR and NARROWBAND features, it allows EQUALLY SPACES frequency allocation intermodulation free:

Features:

Up to 232 MHz bandwidth in 470/1260 MHz range
Dual power amplifier & phase canceling configuration for intermodulation free operation, additional circulator (optional)
Quick setup with joggle selector, 2 quick setup buttons (level/channel adjustment)
Highly adjustable Mic Gain: 60dB in 1dB steps
Available also with MCM type premium head (DPA/Schoeps)
Thin and ergonomics body design • Infrared interface for quick frequency setup
Powering: 2 AA Batteries - Alkaline, rechargeable NiMH or Lithium
Battery life with 2 AA Alkaline: 10h @ 50mW, > 7h @ 20L mW (intermod free operation)

Frequency ranges - 470 ÷ 663 MHz
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. 20 mW/ L20 mW / 50 mW /100 mW
- note: in some countries high power can be disabled, for local norm!
Modulation - wideband/narrowband FM, with pre-emphasis
Nominal deviation - ±40 kHz Wideband, ±25 kHz Narrowband
Peak deviation - ±56 kHz Wideband, ±35 kHz Narrowband
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:
- 55 Hz ÷ 20 KHz (1dB), Wideband with LPF at 20kHz
- 55 Hz ÷ 15 KHz (1dB), Narrowband with LPF at 15kHz
Distortion < 0.3 % (0.15 % typ.)
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
Audio input connector - Directly interchangeable microphone-heads
Audio input level - 60 dB adjustable range from -54 to +6 dBu at peak deviation (1 kHz), adjustable in 1 dB steps
Max input level - +6 dBu
Max sound pressure - 150 dB SPL (0,5% THD), with MCM30x condenser-heads
Managing interface - IrDA
LED:
- bicolor led (red & green) on wireless power switch:
  - Wireless transmission status: GREEN on/off
  - Battery lifetime status: GREEN steady (> 25%), slowly blinking (< 25%), quickly blinking (<12%)
  - Modulation peek (if activated): RED
  - Ptt status: RED if active
Battery lifetime indication - 8 steps : 7 bars (100%-87%-75%-63-50%-38%-25%) and “empty bar” quickly blinking (12% remaining)
PTT function - With optional PTT accessory
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)
Power consumption - 230mA@ 3V average (display off, 100mW power)
Battery life:
- with Alkaline:
  - up to 14 hours @ 10mW
  - approx. 12 hours @ 20mW
  - approx. 10 hours @ 50mW
  - approx. 7 hours @ 100mW or @ 20mW Intermod Free “20L” level
- with Lithium:
  - approx. 7 hours @ 100mW
Temperature range -10 ÷ +55 °C
Dimensions 183 x 33 mm (length x diameter) without microphone-head
Weight Approx. 150g only body, 280 g with head MCM306, 330g with head MCM306 and batteries

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Wisycom MTH410 - Wideband Handheld Transmitter - 470-663MHz - 100mW max power

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