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Uniden PRO510XL Pro Series CB Radio User Manual

Uniden PRO510XL Pro Series CB Radio featured

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Uniden PRO510XL Pro Series CB RadioUniden PRO510XL Pro Series CB Radio

About Uniden 
Uniden America Corporation, the North American subsidiary of Japan-based Uniden Corporation, manufactures and markets wireless consumer electronic products including home security and video security systems, Bearcat® scanners, FRS/GMRS radios, marine radios, radar detectors, dash cams, and other wireless personal communications products. Based in Irving, Texas, Uniden sells its products through retailers and distributors throughout North, Central, and South America.


Welcome to the world of Citizens Band radio communications. Your Uniden PRO510 radio is an advanced mobile radio designed for use in the Citizens Band (CB) Radio Service. It will operate on any of the 40 AM frequencies authorized by the Federal Communications Commission (FCC). Your Radio features a superheterodyne circuit with PHASE-LOCKED LOOP techniques to assure precise frequency control.

Safety Notice

The antenna used for this radio must be properly installed and maintained must provide a separation distance of at least 16.92 inches (43 cm) from all persons and must not be collocated or operated in conjunction with any other antenna or transmitter. Never transmit if any person is closer than the specified distance to the antenna.

Note that Uniden does not specify or supply any antenna with this transceiver. While a 0 dBi gain antenna is normal for a typical installation, the above limit applies to any antenna with up to 3 dBi gain.

CB license requirement

U.S. users no longer need to apply for a license to use a CB radio. However, CB radio is still considered a “license by rule” service. This means that, while the FCC permits CB station operation without station identification, station operators are still required to comply with the Communications Act and with the rules of CB Radio Service. (For more information on U.S. radio rules, visit the FCC website at www.fcc.gov.)


If any of these items are missing or damaged, immediately contact your place of purchase or www.uniden.com.

Uniden PRO510XL Pro Series CB Radio (1)

NOTE: You must use a CB antenna (sold separately) with this radio.



Uniden PRO510XL Pro Series CB Radio (2)

  1. ANL Switch Activates the Automatic Noise Limiter feature, which reduces background noise from the car engine and other sources.
  2. TX LED Indicates when the radio is transmitting.
  3. S/RF (Signal/RF) Meter Shows the strength of the received signal or the RF output.
  4. Channel Indicator Displays the channel currently in use.
  5. Microphone Jack Connects to the included detachable electret microphone.
  6. Volume Control Powers on the radio and adjusts the volume.
  7. Squelch knob Adjusts the level at which the radio squelches or suppresses weak radio signals. To filter out weaker signals and background noise, turn the knob clockwise to increase the squelch level. To decrease the squelch level so you can hear weaker radio signals, turn the knob counterclockwise.
  8. Channel Selector Selects which channel the radio will transmit or receive on.
    NOTE: FCC rules reserve Channel 9 for motorist assistance and other emergency communications. Channel 9 should only be used in situations where there is immediate danger to the safety of individuals or the protection of property.
    BackUniden PRO510XL Pro Series CB Radio (3)
  9. The model number label Shows the radio model number, FCC ID number, and serial number.
  10. Antenna Connector Connects to a male PL-259 external antenna cable (antenna sold separately).
  11. External Speaker Jack Connects to a ⅛-inch (3.5 mm) external speaker (sold separately).
  12. 12 Volt DC Power Cord
  13. Fuse casing
    • MicrophoneUniden PRO510XL Pro Series CB Radio (4)
  14. Push-to-talk (PTT) button Press and hold the PTT button to transmit on the selected channel. Release the button to listen for a response. For the best sound quality, hold the microphone about 2 inches away from your mouth and speak in a normal voice.

NOTE: Make sure you have read and understood part 95 of the FCC rules and regulations before using the transmitter.


Connect the microphone

  • Align the microphone connector with the jack on the front of the radio. Push the connector in firmly and secure it with the locking screw.

Connect the power

  • You can connect the radio to any standard 12-volt DC power source, with either a positive or negative ground. If you don’t know whether your power supply uses a positive or negative ground, consult the manual for your power supply or contact the manufacturer.

WARNING! DO NOT connect this equipment to a power supply if you are not absolutely certain of the grounding type!

  1. Make sure your power supply is turned off.
  2. For power supplies with a NEGATIVE ground, 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 such as the chassis OR For power supplies with a POSITIVE ground, connect the BLACK lead on the radio to the power supply’s NEGATIVE (–) pole, and connect the RED lead to a neutral ground such as the chassis.
  3. Turn on your power supply.
  4. Turn the radio’s Volume knob clockwise to power on the radio.

Installing the mounting bracket
When choosing the location for the radio’s mounting bracket, keep the following things in mind:

  • Pick a location that does not block your view, interfere with your vehicle’s controls, or hinder your driving.
  • Make sure the radio and microphone are not in front of an airbag.
  • Pick a solid surface that can support the weight of the bracket and the radio.
  • Make sure there’s enough room. (You may want to put the radio in the bracket when you’re choosing where to install the bracket.)
  • Once you choose the location, use the included, self-tapping screws to attach the mounting bracket and the microphone bracket to your vehicle (you don’t have to drill holes). Slide the radio into the bracket and use the included knobs to hold it at the preferred angle.

Connecting an external antenna
You will need to purchase an antenna to operate the radio. However, Your Uniden dealer can help you select the antenna that is best for your needs. Consult the specifications in the back of this manual for detailed transmitter and antenna information.
There are two basic types of mobile CB antennas–full-length whips and loaded whips–with a wide variety of mounts to suit different vehicle locations.

  • Choose an antenna that matches the specifications of this radio.
  • 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 SWR is as close as 1:1 as possible.

CAUTION: Make sure the SWR is less than 2:1 before using the radio. An SWR higher than 2:1 can damage the transmitter.


Basic operation

Turning the radio on Turn the Volume knob clockwise until the display backlight comes on.
Turning the radio off Turn the Volume knob counter-clockwise until it clicks and the display backlight turns off.
Selecting a channel Turn the Channel knob clockwise to move up the channel list. Turn it counter-clockwise 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 channel you want to transmit on, and listen to make sure the channel is clear.

–   Press and hold the PTT button.

–   Hold the microphone about 2 inches away from your mouth and speak in a normal voice.

–   Release the button to listen for a response.

NOTE: Make sure you read and understand part 95 of the FCC rules and regulations before using the transmitter.

Every six to twelve months, check to make sure that:

  • The Voltage Standing Wave Ratio (VSWR) is less than 2:1.
  • All electrical connections are secure and free of corrosion.
  • The antenna cable shows no wear or damage.
  • All mounting screws are securely fastened.
  • Inspect all screws and other mounting hardware.


If your radio is not performing to your expectations, please try these simple steps. If these steps don’t solve your problem, visit www.uniden.com for assistance.

Problem: Things to try:
Radio won’t turn on (no power) 1.  Check the radio’s power cord and all connections.

2.  Check the fuse in the radio’s power cord.

3.  Check your vehicle’s electrical system.

Poor reception

1. Adjust the squelch level.

2.  Check the antenna, cable, and connectors.

3.  Check the operation mode of the radio.

Background noise 1.  Turn on the automatic noise limiter.

2. Adjust the squelch level.

Weak transmission 1.  Check the antenna, cable, and connectors.

2.  Check the antenna grounding.

3.  Check for corrosion 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 specify the correct model number of this radio.
  • It is the user’s responsibility to make sure the radio is operating in accordance with the FCC Citizens Radio Service regulations at all times.
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. 9 oz.
Antenna Connector UHF, SO-239
LED Meter Indicates relative RF output and received signal strength
Power Output 4 Watts
Modulation Class B amplitude modulation
Freq. Response 300-2500 Hz
Output Impedance 50 ohms, unbalanced
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

Federal Communications Commission


FCC Compliance
This device complies with Part 15 of the FCC rules. Operation is subject to the following two conditions:

  1. This device may not cause harmful interference,
  2. this device must accept any interference received, including interference that may cause undesired operation.

Changes or modifications not expressly approved by the party responsible for compliance could void your authority to operate the equipment.

IC Compliance
This device complies with Industry Canada license-exempt RSS standard(s). Operation is subject to the following two conditions:

  1. this device may not cause interference,
  2. this device must accept any interference, including interference that may cause undesired operation of the device.

Changes or modifications not expressly approved by the party responsible for compliance could void your authority to operate the equipment.

ONE-YEAR LIMITED WARRANTY WARRANTOR: UNIDEN AMERICA CORPORATION (“Uniden”) ELEMENTS OF WARRANTY: Uniden warrants, for one year, to the original retail owner, this Uniden Product to be free from defects in materials and craftsmanship with only the limitations or exclusions set out below.

WARRANTY DURATION: This warranty to the original user shall terminate and be of no further effect 12 months after the date of the original retail sale. The warranty is invalid if the Product is (A) damaged 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 repaired by someone other than an authorized Uniden service center for a defect or malfunction covered by this warranty, (E) used in any conjunction with equipment or parts or as part of any system not manufactured by Uniden, or (F) installed or programmed by anyone other than as detailed by the owner’s manual for this product.

STATEMENT OF REMEDY: In the event that the product does not conform to this warranty at any time while this warranty is in effect, the warrantor will either, at its option, repair or replace the defective unit and return it to you without charge for parts, service, or any other cost (except shipping and handling) incurred by the warrantor or its representatives in connection with the performance of this warranty. Warrantor, at its option, may replace the unit with a new or refurbished unit.


LEGAL REMEDIES: This warranty gives you specific legal rights, and you may also have other rights that vary from state to state. This warranty is void outside the United States of America.

PROCEDURE FOR OBTAINING PERFORMANCE OF WARRANTY: If, after following the instructions in the owner’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 the Product. Include evidence of the original purchase and a note describing the defect that has caused you to return it.

The product should be shipped freight prepaid, by traceable means, to the warrantor at:
Uniden America Service
C/O Saddle Creek
743 Henrietta Creek Rd., Suite 100
Roanoke, TX 76262
©2016 Uniden America Corporation Irving, Texas

FAQs About Uniden PRO510XL Pro Series CB Radio

What is the Uniden Pro 510xl’s wattage?

If you’re searching for a simple model or an entry-level CB, the Uniden PRO510XL CB Radio is a great option. The 510 XL has a sleek, user-friendly design and a small, portable size. The PRO510 boasts an impressive feature set, 40 channels, and 4 watts of power.

Which Uniden CB radio is the best?

However, if you want a radio that can withstand repeated abuse and still function well, this is our top choice. These radios are made like tanks, to put it simply. They’re compact, tough, and really basic. They just have a few knobs and dials available for basic CB operation, as you can see here.

How useful is a CB radio?

Beyond merely accidents, a CB radio might be of use in alerting you. It’s possible that other drivers will alert you to the presence of emergency personnel, lane changes, active construction zones, and other road hazards. Notifying others when you come upon anything would also be beneficial.

What is the Uniden Pro 510xl’s fuse size?

To supply the Uniden CB radio, use a 5 AMP fuse.

What is the wattage required for a mobile radio?

Usually, an automobile or an external power source powers them. Here, basic power is increased to 50 watts. Envision yourself perched atop a mountain, possessing an excellent vantage point. You may easily anticipate being able to communicate beyond 50 kilometers while using a mobile ham radio.

Do Uniden radios work well?

-Pros: Excellent features for all 4WD enthusiasts, with the exception of very skilled users. robust UHF and remote speaker microphone of trade-grade quality. For those searching for the best mounted UHF radio for their money, Uniden’s UH 6060 is a wonderful option.

Do Uniden radios perform well?

I’m extremely delighted that I bought the Uniden UH45-4, and so far it’s been working great. The children loved using the walkie talkies to talk to their pals at the RV park. Distance and clarity were nice. Strongly advised.

Where are CB radios built by Uniden?

Although Uniden is a global company, its primary commercial operations are based in Japan and the United States. There have been manufacturing facilities in the Philippines, Taiwan, Hong Kong, and China.

Is an antenna required for a CB radio?

The “Citizen Band,” or CB radio as it is more widely known, runs on very little power (about 4 watts). This power output means that in order to amplify and receive a strong signal, you will want a CB antenna. The CB radio is worthless without one! Fortunately, strong external CB antennas are available for every circumstance.

Are digital or analog CB radios?

Although the CB frequency band is an effective and convenient analog communication option, it is not advised for use in activities requiring secure communications.


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