Radio Shack TRC-488 owner manual Specifications, Receiver

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21-1585.fm Page 19 Thursday, August 5, 1999 9:39 AM

SPECIFICATIONS

RECEIVER

 

Weather Frequency Coverage

162.400 MHz

 

162.425 MHz

 

162.450 MHz

 

162.475 MHz

 

162.500 MHz

 

162.525 MHz

 

162.550 MHz

Frequency Coverage

All 40 CB Channels (Class D)

 

26.965 to 27.405 MHz

Sensitivity

0.7 μV or better for 10 dB (S+N)/N

Adjacent Channel Rejection

50 dB (at 10 kHz)

Audio Output

4.5 Watts (Nominal)

Frequency Response

450-2500 Hz

Intermediate Frequency

1st IF: 10.695 MHz

 

2nd IF: 455.00 kHz

Cross Modulation

50 dB

Squelch

Adjustable from 0.6 μV 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

Less than –65 dB

Frequency Tolerance

0.002%

Antenna Impedance

50 Ohm

Current Drain (13.8 volt supply)

1 Amp with No Modulation

 

1.5 Amps with Full Modulation

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Contents Channel 2-WAY CB Radio TRC-488Features Contents Mounting the TRC-488 InstallationMounting Microphone Holder Connecting AN Optional External Speaker Connecting MicrophoneConnections Using Vehicle Battery Power Connecting PowerInstalling AN Antenna Adjusting ANTENNA’S SWR Listening to Weather Broadcasts Setting SquelchUsing Automatic Noise Limiting OperationReceiving Transmissions on the Channels Transmitting Common Uses for a CB Radio CB TipsCB Courtesy Code Meaning Using Common 10-CODESProblem Solution TroubleshootingReducing Noise Maximum RangeMaintenance FCC Information Replacing the FusesReceiver SpecificationsRadio Shack Limited Warranty