Comtek Communications Technology Inc M175 Manual Do Utilizador

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