Uniden PRO 520XL Manual Download Page 10

Sheet 2

10

SPECIFICATIONS

G

eneral

Channels

40 AM

Frequency Range

26.965 to 27.405 MHz

Frequency Control

Phase Locked Loop (PLL) synthesizer

Frequency Tolerance ±0.005%
Operating 

Temperature

-30ºC to +50ºC

Microphone

Plug in type, dynamic

Input Voltage

13.8 V DC nom. (+ or - ground)

Current Drain

TX full mod., 1.7A

RX

with max. audio output, 1.7A

Size

4-1/2” W x 6-3/4” D x 1-3/8” H

Weight

1 lb. 10 oz.

Antenna Connector

UHF, SO-239

LED Meter

Indicates relative RF output and received signal 

strength

T

ransmiTTer

Power Output

4 Watts

Modulation

Class B amplitude modulation

Freq. Response

300-2500 Hz

Output Impedance

50 ohms, unbalanced

r

eceiver

Sensitivity

0.5μV for 10 dB; (S + N) /N typical (limit 1.0μV)

Selectivity

6 dB @ 7kHz, 70 dB @ 10kHz typical

Image Rejection

80 dB typical

I.F. Frequency

Double Conversion Superheterodyne 

1st 10.692 MHz 

2nd 450 kHz

Automatic Gain 

Control (AGC)

less than 10dB change in audio output for inputs from 

10 to 50,000 microvolts

Squelch

Adjustable; threshold less than1μV

Audio Output Power 7 watts max. into 8 ohms
Freq. Response

300 to 2000 Hz

Distortion

less than 10% at 4 watts, 1000Hz

Internal Speaker

16 ohms,  5 watts round

Specifications and features are subject to change without notice.

Summary of Contents for PRO 520XL

Page 1: ...PRO 520XL Professional Mobile CB Radio Printed in Vietnam UTZZ01363ZA 1 2016 Uniden America Corporation Irving Texas 2021 Uniden America Corporation Irving Texas...

Page 2: ...th up to 3 dBi gain Description Your UNIDEN CB Radio represents the highest quality communicationsdevice designed for use in the Citizens Band Radio Service It will operate on any of the 40 AM frequen...

Page 3: ...s Mounting hardware Other printed materials NOTE You must use a CB antenna sold separately with this radio PARTS OF THE RADIO Front 1 PA Switch Activates the Public Address feature see Connecting exte...

Page 4: ...ch the radio squelches or suppresses weak radio signals 10 RF Gain Knob Adjusts the level of the signal reception 11 Channel Selector Selects which channel the radio will transmit or receive on Back 1...

Page 5: ...ke sure your power supply is turned off 2 Connect the RED lead on the radio to the power supply s POSITIVE pole and connect the BLACK lead to the power supply s NEGATIVE pole or to a neutral ground su...

Page 6: ...DWLRQV RI WKLV UDGLR Follow the manufacturer s installation instructions carefully Tune your antenna using a Standing Wave Ratio SWR meter set the radio to channel 20 and adjust the antenna until the...

Page 7: ...ockwise to move down the channel list Changing the volume Turn the Volume knob clockwise to increase the volume turn it counter clockwise to decrease the volume Transmitting Tune the radio to the chan...

Page 8: ...be used for normal communication The FCC reserves Channel 9 for emergencies involving the immediate safety of individuals or protection of property Use Channel 9 to render assistance to a motorist Th...

Page 9: ...rrosion on the connectors Service and repair information Service repair or alignment should only be attempted by a qualified and or licensed radio technician When ordering parts it is important to spe...

Page 10: ...tput 4 Watts Modulation Class B amplitude modulation Freq Response 300 2500 Hz Output Impedance 50 ohms unbalanced Receiver Sensitivity 0 5 V for 10 dB S N N typical limit 1 0 V Selectivity 6 dB 7kHz...

Page 11: ...connected Consult the dealer or an experienced radio TV technician for help FCC 44 CM STATEMENT This equipment complies with FCC radiation exposure limits set forth for an uncontrolled environment Thi...

Page 12: ...ed or not maintained as reasonable or necessary B modified altered or used as part of any conversion kits subassemblies or any configurations not sold by Uniden C improperly installed D serviced or re...

Page 13: ...s manual you are certain that the Product is defective pack the Product carefully preferably in its original packaging The Product should include all parts and accessories originally packaged with th...

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