Technical Specifications - WisyCom MTH410 User Manual

Frequency ranges
Switchable channels
Switching-window
Frequencies
Frequency error
RF Power
Modulation
Nominal deviation
Peak deviation
Spurious emissions
Telemetry feature
Noise Reduction
system
AF bandwidth
Distortion
SND/D ratio
(Analogue)
Audio input connector
Audio input level
Max input level
Max sound pressure
Managing interface
LED
Battery lifetime
indication
PTT function
Display
Power supply
Power consumption
Battery life
Temperature range
Dimensions
Weight

TECHNICAL SPECIFICATIONS

B7 option: 470 ÷ 663 MHz
B3 option: 510 ÷ 698 MHz
B2 option: 566 ÷ 798 MHz
2400 managed in 40 groups of 60 frequencies completely user customizable
Up to 232 MHz, depending on band (see Variants below)
Quartz PLL frequency synthesizer circuit (25 kHz step)
± 2.5 ppm, in the rated temperature range
switchable typ. 10 or 20 mW / 20L mW / 50 mW /100 mW
note: in some countries high power can be disabled, for local norm!
Wideband/Narrowband FM, with pre-emphasis
±40 kHz Wideband, ±25 kHz Narrowband
±56 kHz Wideband, ±35 kHz Narrowband
< 2 nW
TX transmits also a digitally modulated sub-carrier, suitable for:
▪ tone-squelch operating
▪ remote battery monitoring
▪ optional PTT (push to talk) operation
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
45 Hz ÷ 21 KHz (3dB), 55 Hz ÷ 20 KHz (1dB) Wideband with LPF at 20kHz
45 Hz ÷ 17 KHz (3dB), 55 Hz ÷ 15 KHz (1dB) Narrowband with LPF at 15kHz
< 0.3 % (0.15 % typ.)
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
directly interchangeable microphone-heads
60 dB adjustable range from -54 to +6 dBu at peak deviation (1 kHz), adj. in 1 dB steps
+6 dBu
150 dB SPL (0,5% THD), with MCM30x condenser-heads
IrDA
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
8 steps : 7 bars (100%-87%-75%-63-50%-38%-25%)
and "empty bar" quickly blinking (12% remaining)
with optional PTT accessory
High contrast OLED (Organic light-emitting diode) white display (128 x 32 pixels)
2 AA size cell (Alkaline, rechargeable NiMH or Lithium)
230mA@3V average (display off, 100mW power)
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
-10 ÷ +55 °C
183 x 33 mm (length x diameter) without microphone-head
Approx. 150g only body, 280 g with head MCM306, 330g with head MCM306 and batteries
MTH410 User Manual
B8 option: 940 ÷ 960 MHz
B6 option: 960 ÷ 1160 MHz
B9 option: 1240 ÷ 1260 MHz
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