Specifications – Radio Shack 40-CHANNEL 2-WAY CB RADIO TRC-501 User Manual
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SPECIFICATIONS
RECEIVER
Frequency Coverage............................................ All 40 CB Channels (Class D)
26.965 to 27.405 MHz
Sensitivity ..................................................... 0.7
µ
V or better for 10 dB (S+N)/N
Adjacent Channel Rejection ........................................................................55 dB
Audio Output ......................................................................... 3 Watts (Minimum)
Frequency Response ...................................................
–
6 dB (at 450–2500 Hz)
Intermediate Frequency .............................................................1st 10.695 MHz
2nd 455 kHz
Cross Modulation .......................................................................................50 dB
Squelch ............................................................ Adjustable from 0
.
5
µ
V to 1 mV
TRANSMITTER
Frequency Coverage............................................. All 40 CB Channels (Class D)
26.965 to 27.405 MHz
Output Power ............................................................... 4 Watts (FCC Maximum)
Type of Modulation ...................... AM Double Sideband, Full Carrier Modulation
Modulation Capability ................................................................................... 90%
Spurious Emission.....................................................................................–60 dB
Frequency Tolerance...............................................................................±200 Hz
Antenna Impedance ............................................................................... 50 Ohm
Current Drain (13.8 volt supply) ................................ 1 Amp with No Modulation
1.6 Amps with 90% Maximum Modulation
GENERAL
Power Requirements ........................................13.8 Volts DC, Negative Ground
Dimensions........................................................ 1
5
/
16
x 4
1
/
2
x 6
5
/
16
Inches (HWD)
(33 x 114 x 160 mm)
Weight ..................................................................................................... 15.7 oz
(445 g)
Specifications are typical; individual units might vary. Specifications are subject
to change and improvement without notice.
21-1701.fm Page 17 Thursday, August 5, 1999 12:50 PM