Radio Shack MTX-103 Marine Radio User Manual


 
19
SPECIFICATIONS
GENERAL
Channels....................................All USA and International Channels Included, Plus
Ten Weather Channels and CH90, 91, 95, 96, 97
for International Usage
Frequency Method........................................................................ Phase Lock Loop
ETR Synthesizer Antenna Impedance.......................................................... 50 ohm
Power Input.............................................................................................. 12 Volt DC
Frequency Range ................................................................. 156.025–162.275 MHz
Operating Temperature ............................................ –4°F to 122°F (–20°C to 50°C)
Dimensions (HWD) ............................................................... 1
7
/
8
¥ 2
5
/
8
¥ 7
1
/
4
Inches
(47 ¥ 66 ¥ 184 mm)
Weight........................................................................................ 1 lb. 3 oz. (1.09 kg)
TRANSMITTER
Power Output......................................................... 1 or 5 Watts (Switch Selectable)
Modulation ........................................................................................................... FM
Hum and Noise Attenuation............................................................................ 40 dB
Audio Distortion............................ 10% Maximum at 1 kHz with ±3.0 kHz Deviation
Spurious Suppression..................................................................................... 60 dB
RECEIVER
Sensitivity.......................................................................................... 2 mV for 12 dB
SINAD.............................................................................................0.3 mV for 20 dB
Quieting Squelch Sensitivity .........................Threshold 0.15 mV Maximum for 6 dB
SINAD Receiver Attack Time..................................................... 60 mSec Maximum
Adjacent CH Rejection.................................................................................... 65 dB
Audio Power Output................................................................ 300 mW at 10% THD
Spurious Response Attenuation ..................................................................... 60 dB
Hum and Noise Attenuation............................................................................ 50 dB
Squelched Modulation Acceptance Bandwidth.......................... ±7.5 KHz Minimum
Specifications are typical; individual units might vary. Specifications are subject to
change and improvement without notice.
19-1004.fm Page 19 Tuesday, August 3, 1999 9:11 AM