WisyCom MTP40S - Technical Specifications; Channel, Frequency, and RF Specifications; Audio, Modulation, and Display Specs; Power Supply and Battery Life

MTP40S User Manual
18
TECHNICAL SPECIFICATIONS
Switchable
channels
2400 allocated by 40 groups of 60 channels (in specific frequency range), quickly
selectable with dedicated buttons
Switching window
Up to 232 MHz, depending on band (see Variants on the next page)
Frequencies
Quartz PLL frequency synthesizer circuit (25 kHz step)
Frequency stability
± 2,5 ppm (in the rated temperature range)
Temp. range
-10 ÷ +55 °C
Max RF power
▪ 10mW (ERP) (to respect some local norm)
▪ 50 mW (ERP) (note: in some countries middle power can be disabled, for local norm!)
▪ 100 mW (ERP) (note: in some countries high power can be disabled, for local norm!)
Spurious emissions
< 2 nW
Modulation
wideband FM, with pre-emphasis
Nominal deviation
±40 kHz (Peak deviation = ±56 kHz)
Telemetry feature
MTP40S transmits also a digitally modulated sub-carrier, suitable for:
▪tone-squelch operating
▪ remote battery monitoring
▪ optional PTT (push to talk) operation
AF input connector
LEMO option
Configurable on ‘mic’ display menu in 5 options:
▪ ’2 wires’:
▪ ‘2 wires + bias’:
▪ ‘3 wires:
▪ ‘2 wires & phantom’
▪ ‘2 wires + bias & phantom’:
gain selectable -60 ÷ +40 dB (-54 dBu ÷ +46 dBu peak), no bias voltage
gain selectable -60 ÷ +40 dB (-54 dBu ÷ + 46 dBu peak), 5.5 V on 4k7 bias supply
gain selectable -60 ÷ +40 dB (-54 dBu ÷ +46 dBu peak)
gain selectable -60 ÷ +40 dB (-54 dBu ÷ +46 dBu peak),
gain selectable -60 ÷ +40 dB (-54 dBu ÷ + 46 dBu peak), 5.5 V on 4k7 bias supply
AF input level
100 dB adjustable range from -54dBu (775 uV) to 46dBu (15.5 V) at peak deviation (1kHz),
adjustable in 1 dB steps
Max. input level
+46 dBu (15.5 V) at clipping, +20 dBu (7.75 V) at nominal level
Noise-Reduction
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-emphasis
AF bandwidth
▪ 45 Hz ÷ 21 KHz (3dB)
▪ 55 Hz ÷ 20 KHz (1dB)
Distortion
< 0.3 % (0.15 % typ.)
Signal-to-noise
ratio
▪ typ. 115 dB (A)
rms
with 40 kHz deviation
▪ typ. 121 dB (A)
rms
with 56 kHz deviation
Led
Led indication with RGB led (red, green, blue) 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 & the
limiter is disabled): RED
▪ Ptt status: RED if active
▪ Limiter into action: Blue
Display
High contrast OLED (Organic light-emitting diode) white display (128 x 32 pixels)
8 step battery lifetime indication: 7 bars (100%-87%-75%-63-50%-38%-25%) and “empty
bar” quickly blinking (12% remaining)
PTT function
Pin 3 of the AF connector can be setup to an external push button
Power supply
2 AA size batteries (Alkaline, rechargeable NiMH or Lithium)
MTP40S Battery
life (2 AA alkaline)
▪ approx. 14 hours @ 10mW continuous working
▪ approx. 10 hours @ 50mW continuous working
▪ approx. 7 hours @ 100mW continuous working
Dimensions
73 x 61 x 17.5 mm (Height-Width-Depth) without clip
Weight
Approx. 80 g. without batteries (120g with batt.)