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- 2 -
Chapter 1 Specifications
GENERAL
Model RCI-6300F25 RCI-6300F150
Frequency Range : 1. 28.245 ~ 28.685 MHz 1. 28.245 ~ 28.685 MHz
2. 28.695 ~ 29.135 MHz 2. 28.695 ~ 29.135 MHz
3. 29.145 ~ 29.585 MHz 3. 29.145 ~ 29.585 MHz
4. 28.315 ~ 28.755 MHz 4. 28.315 ~ 28.755 MHz
5. 28.765 ~ 29.205 MHz 5. 28.765 ~ 29.205 MHz
6. 29.215 ~ 29.655 MHz 6. 29.215 ~ 29.655 MHz
Modes PA/FM/AM PA/FM/AM
Frequency Control Phase-Lock-Loop Synthesizer Phase-Lock-Loop Synthesizer
Frequency Stability 0.001% 0.001%
Temperature Range -30
O
C to +50
O
C -30
O
C to +50
O
C
Input Voltage DC 13.8 V DC 13.8 V
Antenna Impedance 50 ohms 50 ohms
Size
7 3/4" (W) x 10 3/4" (L) x 2 3/8" (H) 7 7/8" (W) x 9 1/4" (D) x 2 7/8" (H)
Weight 4 lb. 3 oz. 6 lb.
TRANSMITTER
RF Power Output AM/FM : 10W. AM/FM : 50W. DC Carrier
AM : 150W. Peak Power,
@ 100% Modulation
Spurious Emissions -50 dB -50 dB
Audio Distortion 10% 10%
Frequency Response 300 to 2500Hz 300 to 2500Hz
Microphone Dynamic Dynamic
RECEIVER
Sensitivity AM : 0.5 uV for 10dB S+N/N
FM : 0.25 uV for 12dB S+N/N
AM : 0.5 uV for 10dB S+N/N
FM : 0.25 uV for 12dB S+N/N
Squelch Sensitivity 0.5uV 0.5uV
Selectivity -55 dB -55 dB
Image Rejection 50 dB 50 dB
Hum & Noise 40dB 40dB
Audio Power Output 2.5W at 10% THD 2.5W at 10% THD
( SPECIFICATIONS SUBJECT TO CHANGE WITHOUT NOTICE )
- 3 -
Chapter 2 Installation
Installing the Radio
Choose a convenient location for operation that does not interfere with
drive or passenger. This radio is supplied with a universal mounting
bracket. When mounting the bracket and radio to your car, make sure it is
mechanically strong. Also, provide a good electrical grounding
connection to the chassis of the vehicle. Proceed as follows to install the
radio.
1. Locate a convenient area in your vehicle for the installation of the
radio. Hold the mounting bracket with the radio in the location where the
radio is to be installed. Make sure nothing will interfere with either the
radio or the mounting bolts. Mark and then drill holes for the mounting
bracket.
2. Most radio antennas come equipped with a PL-259 plug. Connect
this plug to the ANT. Jack in the rear of the radio.
3. Extending from the rear of the radio is a fused red and black wire for
the DC connections to the vehicle’s electrical system. For best
performance, it is strongly recommended that the red lead be taken
directly to the positive terminal on the vehicle’s battery and the black lead
be connected to the nearest chassis ground. (Note: This radio is
designed for vehicles with negative ground systems.)
Connections should be made using appropriate “crimp on” lugs of a
size large enough to make good contact with the bolt used to fasten to
the battery and the chassis ground, It is a good safety idea to install a
second fuse, in series with the red wire at the battery connection. This
second fuse would provide protection in case the red wire was to “fray”
or get pinched and short to the body of the vehicle, some where between
the battery and the radio.
High power radios such as this one require large DC current flow when
in the TX mode. Poor power connections cause supply voltage drops that
can substantially decrease the performance of your radio. A good DC
connection is probably one of the most important things for getting the
best transmitter performance and in some cases, least receiver noise.