User's Manual

Page 11
M-175 SPECIFICATIONS
Audio Input:
• Microphone input impedance for electret
type microphone - 3000 ohm
• Aux/Line input impedance - 10 k ohm
(0 dBV nominal)
Connectors:
Microphone - Micro-mini mono 2.5mm
Auxiliary - TRS 3.5mm jack
Audio: Tip and sleeve
Battery Charging: Tip and sleeve
Controls and Indicators:
• Synthesized channel selection switches
• Power On/Off switch
• Optional microphone switch
• Audio input gain control
• Power/Battery status indicator
• Audio (voice level) modulation indicator
• Manual compand switch
Frequency Response:
100 Hz to 10 kHz
Audio Distortion:
Less than 1% at 50% modulation
Modulation Limiter:
Soft compressor with 30 dB linear overload
protection; attack time - less than 1 ms,
recovery time - 10 ms
Frequency Modulation:
7.5 kHz deviation (companded)
5.0 kHz deviation (non-companded)
Operating Radio Frequency:
ity
:
88 synthesized channels in the 72-76 MHz
band.
Out-of-Band Emissions:
Better than 50 dB below carrier
R.F. Stability:
20 ppm XTL controlled
Digitally synthesized
RF Power Output:
40 mW to antenna system
FCC Compliance:
Type Accepted under FCC Part 90
Antenna System:
Body induction microphone cord
antenna.
Current Drain:
29 mA constant current
Battery:
• 9 volt alkaline Eveready 522
or equivalent for up to 16 hours
of use
Rechargeable 9 volt Ni-MH
200 mAh battery for up to
5 hours of operation
Rechargeable 9 volt Lithium
Polymer
500 mAh battery
for up to 16 hours of use
Dimensions:
1
1
/16" x 2
1
/4" x 3
1
/2"
(27 mm x 57 mm x 89 mm)
Weight:
5 ounces (140 grams)
NOTE: Specifications subject to
change without notice or
obligation