Motorola MCS 2000 Service Instructions

December 6, 2004 68P81083C20-D
xxii Mobile Radio Model Numbering System
Specifications for VHF, 25-50 Watt and 50-100 Watt Radios
All specifications are per Electronic Industries Association (EIA) 603 unless otherwise noted.
GENERAL RECEIVER TRANSMITTER
FCC Designation:
136-174 MHz, 100 W AZ492FT3781
Temperature Range:
Operating: -30 to +60°C
Storage: -40 to +85°C
Power Supply:
Nominal Voltage: 13.6 V
Operating Voltage: 10.8-16.3 V
Current Drain, maximum values:
Stand-by: 0.45 A
Receive:
1.7 A with 7.5 W speaker
2.5 A with 13 W speaker
1.5 A with 4 W speaker
Transmit (25-50W): 15 A
Transmit (110W): 27 A
Off: 35 mA
Number of Modes:
Model I: Standard 48, optional 150
Model II, III: Standard 160, optional 250
Channel Spacing: 12.5/30 kHz
Mode of Operation: Semi-Duplex
Modulation: FM
Antenna Impedance: 50 ¾
Frequency Stability: ±2.0 ppm
Dimensions (H/W/D):
25-50W Transceivers:
44x168x230 mm / 1.97”x6.61”x7.76”
50-100 Watt Transceivers:
56x168x360 mm / 2.30”x6.61”x11.66”
Control Head I, Dash Mt.:
44x168x30 mm / 1.75”x6.61”x1.81”
Control Head II, III, Dash Mt.:
60x186x30 mm / 2.35”x7.33”x1.83”
Control Head II, III, Remote Mt.:
60x186x71 mm / 2.35”x7.33”x2.78”
Weight:
25-50 Watt Transceivers: 1.8 kg / 4.04 lbs
50-100 Watt Transceivers: 2.5 kg / 5.50 lbs
Control Head I, Dash Mt.: 152 g / 0.33 lbs
Control Head II, Dash Mt.: 233 g / 0.51 lbs
Control Head III, Dash Mt.: 229 g / 0.50 lbs
Frequency Range: (50-100 W) 136-162MHz
(50-100 W) 136-174 MHz
(25-50W) 146-174MHz
Maximum Frequency Separation:
25-50 W 38 MHz
50-100 W 136-162 MHz26 MHz
146-174 MHz28 MHz
Sensitivity:
20dB SINAD: 0.50 uV or 0.30 uV w/ preamp
12dB SINAD: 0.35 uV 0r 0.20 uV w/ preamp
Adjacent Channel Selectivity:
@12.5 kHz: -65 dB
@30 kHz: -95 dB
Image Rejection: -90 dB
Spurious Rejection: -100 dB
or with preamp -90 dB
Intermodulation: -85 dB
or with preamp -80 dB
Conducted Spurious Emission:
per FCC part 90
Audio Output:
4 W (internal, 16 ¾)
7.5 W or 13 W (external, 8 ¾/3.2 ¾)
Audio Response:
6 dB/octave +1/-3 dB at 300-3000 Hz
Distortion: 7.5 W @:<3%
(optional spkr) 13 W @<5%
*100 dB is not applicable to all spurious
frequencies.
Frequency Range: (50-100 W) 136-162MHz
(50-100 W) 136-174 MHz
(25-50W) 146-174MHz
Maximum Frequency Separation:
25-50 W 38 MHz
50-100 W 136-162 MHz26 MHz
146-174 MHz28 MHz
RF Power: 136-174MHz: 25-50 Watts
136-162 MHz: 50-100 Watts
146-174MHz: 50-100 Watts
Deviation, Maximum:
12.5 kHz channel spacing: ±2.5 kHz
25 kHz channel spacing: ±5.0 kHz
Spurious & Harmonics: -85 dBc
Audio Response:
6 dB/octave +1/-3 dB at 300-3000 Hz
Distortion:
<3% @ 60% of maximum deviation
Adjacent Channel Power (CEPT):
12.5 kHz: -60 dBc
20/25/30 kHz: -70 dBc
Specifications subject to change without notice.

Motorola MCS 2000 Specifications

General

Brand	Motorola
Model	MCS 2000
Category	Radio
Language	English