Best Handheld CB Radio – Buyer’s Guide

Local communication services ranging from FRS to GMRS to ham radio to mobile phones. And yet, no matter how many options are available, Citizens Band radio still has a place in modern society. Offroading, hunting, trucking, hauling, emergency response, and more can all benefit from handheld CB radios.


Handheld CB Radio

How To Choose the Best Handheld CB Radio: Buyer’s Guide

At first sight, all handheld CB radios seem to be the same. They have a lightweight, portable/mobile style, similar to a walkie-talkie, and you would think there isn’t much to think about while choosing one.
You must consider several factors to avoid purchasing a substandard CB radio. One of the most important features that are often overlooked is size. CB radios come in a variety of sizes, from small handheld units to full-chassis units. So, choose a unit that is simple to operate. CB radio allows you to select the best frequency. The radiofrequency is an important feature because it allows you to filter transmissions based on their strength. Also, A CB must have an ANL in order to communicate clearly. This feature ensures that the radio reception is of high quality. CB radios with a meter to exhibit reception and transmission strength are the most dependable and higher-end models, so you should consider buying this unit. The best CB radios for on-the-go use are listed below.
However, certain units have distinguishing characteristics that render them superior to others. When it comes to finding the most powerful handheld CB, concentrating on certain features is your hidden weapon.
FrequencyThe reality is that these models can broadcast over a wide variety of frequencies. If you only need a device for short-range contact at a work site, camping, hunting, or other outdoor activities, the successful range isn’t a big deal.
Conversely, if you want a long-range portable CB radio, you’ll need to look for one. Radios with a longer antenna usually have a greater range. External antenna-supporting units may also further extend the range. Checking the ratings of previous customers will also help you choose a radio with a good range.
Squelch ControlIf you really want your new portable CB radio to communicate much more smoothly, ensure that it has a squelch control option.
This function’s role is to eliminate all noise from the machine so that you can send crisp, direct transmissions.This allows other CB users to notice you in an emergency or while you’re calling for assistance.
Channel ScanThe channel scan is another helpful function to have in a handheld CB radio. Since these units allow you access to up to 40 different channels, you can agree that checking any of them for action is uncomfortable. It’s much more difficult when you’re driving and trying to stay focused on the road ahead of you.
Noise LimiterLook for a CB radio with a built-in automated noise limiter feature if you want your broadcasts to be crystal clear.
When you enable this function on your radio, it eliminates all background noise and other interferences, allowing you to easily hear or be heard by other CB users. Analyze the model you choose to purchase carefully to see if it has this feature.
Battery LifeBatteries are used to power all portable CB radios on the market. This describes why it’s important to inspect the battery health of any device you’re considering purchasing. To guarantee that you can use your radio constantly when out and about, search for one with at least 12 hours of battery life.
Backlit DisplayThe portable CB radios, like the smartphone CB radios, have a display that displays important things like the date, the channel you’re listening to, warnings, and so on. However, a radio with a big, backlit display screen would be more practical for you to use.
To start with, a large monitor can show larger fonts that are easier to understand. You can read the displayed information in any light state, day or night, thanks to the backlit function.
Emergency ChannelsThere are emergency/information networks among the 40 available channels that are really useful, particularly when you’re on the road. The NOAA weather channels, emeegrn3yc channel 9, and knowledge channel 19 are among them. These channels should be available on the perfect unit for you. It should also have a button or click that allows you to skip to these channels right away.
This gives you access to real-time weather forecasts, traffic updates, and other valuable details to help you stay safe on the road.

FAQ

What is the range of a handheld CB radio?

If you’re walking through a shopping mall with a portable CB radio, your range might be as short as 100 yards. You should assume a one-mile range by using handheld units to connect between two cars. If you adjust the antenna, though, there is a glimmer of hope for improved coverage.

Can walkie-talkies pick up CB radio?

A portable walkie-talkie can seldom be used to connect with a CB radio. You can receive a transmission, but when you use a walkie-talkie to connect with a CB, the other end-user could not hear you. CB is equipped to work with CB radios.

Is it illegal to own a CB radio?

They are banned in the United States. A CB radio, on the other hand, does not require a license to work. Individuals or organizations are not allocated to CB networks or frequencies. You may use a CB radio on all 40 FCC-designated channels and frequencies for the most part, although there are a few exceptions.

What CB channel do cops use?

Some agencies may still listen in on CB radio channel 9, but if you’re wondering which radio frequencies the cops use on a regular basis, it’s not the citizen’s band (CB). The FCC has designated specific portions of the electromagnetic spectrum for use by law enforcement and fire and rescue services.

What is the difference between a CB radio and a 2-way radio?

Power output on CB radios is restricted to a handful of 5 watts AM or 12 watts PEP (in single sideband/SSB mode). They use any of the FCC‘s 40 allocated channels to operate in the 27 MHz bands. Two-way radios, also known as “walkie-talkie” radios, are typically hand-held and can be very small in size.

Comparison Table & Main Features

Editor's Choice
Amazon's Choice
Best Range Transmission
Best for Truckers
Best Speaker Function
Best Compact Design
Uniden PRO505XL 40-Channel CB Radio. Pro-Series, Compact Design. Public Address (PA) Function. Instant Emergency Channel 9, External Speaker Jack, Large Easy to Read Display. - Black
Uniden PRO401HH Professional Series 40 Channel Handheld CB Radio, 4 Watts Power with Hi/Low Power Switch, Auto noise cancellation, Belt Clip And Strap Included, 2.75in. x 4.33in. x 8.66in.
Midland 75-822 40 Channel CB-Way Radio
Cobra HHRT50 Road Trip Cb Radio - Emergency Radio, Travel Essentials, 2-Way Handheld Black Radio with Rooftop Magnet Mount Antenna, NOAA Channels, Dual Watch & 40 Channel Access
President Electronics BILL CB Radio, 40 Channels AM, 12 Volts, USB 5V/2.1A, Up/Down Channel Selector, Volume Adjustment and ON/OFF, Manual Squelch and ASC, Multi-functions LCD Display, S-meter
Radioddity CB-27 Mini CB Radio Mobile 40-Channel, AM Instant Emergency Channel 9/19, RF Gain with Removable Microphone
Compact and affordable full 40 channel CB radio. Easy-to-read large backlit LCD display. Built-in Signal/RF Power Indicator. 4 Pin Electret Microphone.
40 CB frequencies authorized by the FCC. Controls and jacks on the top, left, and right side. Included DC power cable.
40 CB channels, 10 NOAA channels, and 4 Watts of output power. Automatic noise limiter and squelch control. Easy to use.
Sound tracker system. Magnetic mount mobile antenna. Dual Watch. High/low power switch.
Manual squelch and ASC. ANL filter, NB, HI-CUT, Scan, Beep Function, Roger Beep.
Easy to use for beginner. Removable microphone. External Speaker. Backlit displays. Memory scan. Keyboard lock.
Editor's Choice
Uniden PRO505XL 40-Channel CB Radio. Pro-Series, Compact Design. Public Address (PA) Function. Instant Emergency Channel 9, External Speaker Jack, Large Easy to Read Display. - Black
Compact and affordable full 40 channel CB radio. Easy-to-read large backlit LCD display. Built-in Signal/RF Power Indicator. 4 Pin Electret Microphone.
Amazon's Choice
Uniden PRO401HH Professional Series 40 Channel Handheld CB Radio, 4 Watts Power with Hi/Low Power Switch, Auto noise cancellation, Belt Clip And Strap Included, 2.75in. x 4.33in. x 8.66in.
40 CB frequencies authorized by the FCC. Controls and jacks on the top, left, and right side. Included DC power cable.
Best Range Transmission
Midland 75-822 40 Channel CB-Way Radio
40 CB channels, 10 NOAA channels, and 4 Watts of output power. Automatic noise limiter and squelch control. Easy to use.
Best for Truckers
Cobra HHRT50 Road Trip Cb Radio - Emergency Radio, Travel Essentials, 2-Way Handheld Black Radio with Rooftop Magnet Mount Antenna, NOAA Channels, Dual Watch & 40 Channel Access
Sound tracker system. Magnetic mount mobile antenna. Dual Watch. High/low power switch.
Best Speaker Function
President Electronics BILL CB Radio, 40 Channels AM, 12 Volts, USB 5V/2.1A, Up/Down Channel Selector, Volume Adjustment and ON/OFF, Manual Squelch and ASC, Multi-functions LCD Display, S-meter
Manual squelch and ASC. ANL filter, NB, HI-CUT, Scan, Beep Function, Roger Beep.
Best Compact Design
Radioddity CB-27 Mini CB Radio Mobile 40-Channel, AM Instant Emergency Channel 9/19, RF Gain with Removable Microphone
Easy to use for beginner. Removable microphone. External Speaker. Backlit displays. Memory scan. Keyboard lock.

Last update on 2021-06-21 / Affiliate links

1. Uniden PRO505XL 40-Channel CB Radio – Editor’s Choice

Uniden PRO505XL 40-Channel CB Radio. Pro-Series, Compact Design. Public Address (PA) Function. Instant Emergency Channel 9, External Speaker Jack, Large Easy to Read Display. - Black
6,941 Reviews
Uniden PRO505XL 40-Channel CB Radio. Pro-Series, Compact Design. Public Address (PA) Function. Instant Emergency Channel 9, External Speaker Jack, Large Easy to Read Display. - Black
  • Uniden’s Professional Series PRO505XL is a compact and affordable full 40 channel CB radio featuring CB and Public...
  • This compact durable radio is easy to use and will fit into virtually any vehicle with its compact size.
  • Monitor your transmit power and check the relative strength of incoming transmissions with the built-in Signal/RF Power...

Last update on 2021-06-21 / Affiliate links

Uniden PRO505XL Specifications

Item Weight2 pounds
Product Dimensions12.88 x 6.03 x 2.31 inches
Channel Operation40 Channel Operation CB radio featuring CB and Public Address functions
Analog S/RF MeterBuilt-in Signal/RF Power Indicator
Backlit LCD DisplayOrange backlit LCD display, is optimized for day or night viewing
User-Friendly LayoutFeatures a simple layout with large dedicated up/down buttons
Dynamic Squelch ControlDelivers high-quality sound
External Speaker JackLets you plug in an external speaker for better sound
External PA JackAllows connection of a PA speaker
Instant Channel 9 Emergency ButtonYes
Channel Up/Down ButtonsYes
S/RF MeterYes
Included In the BoxCB Radio, 4 Pin Electret Microphone, Mounting Hardware, Mounting Bracket, User’s Manual
WarrantyTwo-Year Warranty
For those hard hours on the road, the Uniden PRO505XL 40 Channel CB Radio (official website) is ideal for extensive use. It has an instant channel 9 functionality that helps you to easily turn the radio to emergency/channel 9. In addition, the signal/RF power indicator can be used to verify the relative strength of incoming transmissions.

PA Speaker

This CB radio features an external speaker jack for clearer sound as well as an additional PA jack for attaching a PA speaker. With the built-in Signal/RF Power Indicator, you can track the transmit power and verify the relative strength of received transmissions.

Compact and Easy to Use Design

Uniden’s Professional Series PRO505XL is a complete 40 channel CB radio with CB and Public Address functions and a large backlit LCD monitor that is easy to read. It’s a lightweight, robust radio that’s simple to use and can fit into almost any vehicle due to its small size.
ProsCons
Built-in Signal/RF Power IndicatorHas no ANL option
External Speaker Jack
40 channel operation

Overall

To put it another way, these radios are built like tanks and function strong. They’re compact, tough, and simple to use. For simple CB service, they just have a few knobs and dials. Even so, in challenging, filthy, dusty, muddy, and rugged environments, they outlast just about any other model.

Uniden Pro-505XL Tune-up Report

2. Uniden PRO401HH Professional Series 40 Channel Handheld CB Radio – Amazon’s Choice

Uniden PRO401HH Professional Series 40 Channel Handheld CB Radio, 4 Watts Power with Hi/Low Power Switch, Auto noise cancellation, Belt Clip And Strap Included, 2.75in. x 4.33in. x 8.66in.
2,363 Reviews
Uniden PRO401HH Professional Series 40 Channel Handheld CB Radio, 4 Watts Power with Hi/Low Power Switch, Auto noise cancellation, Belt Clip And Strap Included, 2.75in. x 4.33in. x 8.66in.
  • The Uniden PRO401HH delivers the convenience of a handheld CB radio with the security of knowing you have the longest...
  • Features a low-power setting to conserve battery life and a high-power setting so you can extend your range When needed.
  • Designed for use in the citizens band (CB) radio service, the PRO401HH mobile radio will operate on any of the 40 CB...

Last update on 2021-06-21 / Affiliate links

Uniden PRO401HH Specifications

Item Weight0.95 Pounds
Product Dimensions4.33 x 2.76 x 8.66 inches
Number of Channels40 CB Channels authorized by the FCC
NOAA Weather AlertsKeeps you informed when severe weather threatens
Dual Watch FeatureLets you talk on one channel, while keeping an ear on another channel you are interested in
Low-Power SettingTo conserve battery life
High-Power SettingTo extend your range when needed
User-Friendly DesignFeatures strategically placed controls and jacks on the top, left, and right side
Compact and LightweightEasy to operate with one hand
BatteriesRechargeable (9 AA Ni-MH) or alkaline (9 AA) batteries (not included)
DC Power CableIncluded
A Switch Inside the Battery CompartmentLets you select rechargeable or alkaline batteries
The Uniden PRO401HH (official website) combines the accessibility of a handheld CB radio with the assurance of having the longest range possible, allowing you to stay in touch at all times. It has a low-power setting to save battery life and a high-power setting for when you need to broaden your range.

User-Friendly Interface

Channel up/down buttons, a speak button, an on/off/volume knob, and a squelch knob are all standard settings for manipulating the airwaves of this user-friendly radio. A hi/low configuration, a speaker output, a microphone input, and a built-in belt clip are all also included in the PRO401HH.

Wide Frequency Range and Versatile Radio

The PRO401HH mobile radio is equipped for use in the citizens’ band (CB) radio service and will function on any of the 40 CB frequencies approved by the FCC. The high-performance PRO401HH keeps you connected whether you’re in your car, truck, trailer, or bike, on the road, hiking, or just walking the trail.
ProsCons
Automatic noise filterMediocre signal range
Affordable
Includes 4-watt antenna

Overall

The Uniden PRO401HH should be your first choice if you just need a cheap CB radio for casual hobby use like camping or offroading. With only the necessities: a plain speaker, a sturdy microphone, and a rubber duck antenna, this feature-light handset keeps things simple.

Uniden PRO401HH Handheld CB Radio and Cobra HA-TA Antenna

3. Midland 75-822 40 Channel CB-Way Radio – Best Range Transmission

Midland 75-822 40 Channel CB-Way Radio
3,291 Reviews
Midland 75-822 40 Channel CB-Way Radio
  • Portable CB radio with 40 CB channels, 10 NOAA channels, and 4 Watts of output power
  • Power with six AA batteries or included cigarette lighter adapter for mobile use
  • Instant access to NOAA Radio, channels 9 and 19; Dual Watch monitors channel 9 and additional channel

Last update on 2021-06-21 / Affiliate links

Midland 75-822 Specifications

Item Weight6.4 ounces
Product Dimensions9.4 x 2.6 x 6.7 inches
Number of Channels40 CB
Frequency Band26.965 – 27.405 MHz
Display Size (W x H)1.375 x .5 Inches, that’s easy to read, day or night
Power Requirement6AAA
Operating Temperature Range-30 ~ +50° C
Batteries6 AA batteries required (included)
Output Power4 watts
Built-In ANL (Automatic Noise Limiter)Improves reception for weak signals
Squelch ControlEliminates background noise
NOAA Weather RadioFor weather/hazard information in your area 24/7
Dual Watch FeatureLets you monitor channel 9 and another channel of your choice simultaneously
Keypad Lock Feature“Locks in” your preferred settings
Flexible Antenna With BNC ConnectorIs easily removed for transport
External Headset JackIs provided for hands-free use
What’s in the BoxMidland 75-822 Radio, AC Wall Adapter, Alkaline Battery Compartment, Rechargeable Battery Compartment, Mobile Adapter, Antenna, Documentation
WarrantyOne-year manufacturer’s warranty
Because of its flexible feature set, the Midland 75-822 CB Radio (official website) is highly recommended across a variety of professional fields. It has a 4 Watt output through its rubber duck transmitter (which would be the FCC restriction for CB handsets) that can be unbolted conveniently if you’d like to hook it up to a car-mounted antenna.

40 Channels and Dual Watch Function

All 40 CB channels, as well as all 10 NOAA weather networks, are available on this handheld radio. It has a channel scan and a 5-channel memory bank, among other useful features. The Dual Watch function enables you to talk on one channel even when keeping an ear on another channel you’re focused on.

Powerful Battery Life

Six AA batteries, the included AC adapter, or the included car attachable port adapter can all be used to operate the Midland 75-822. The battery life is adequate, but it comes with two field battery packs to ensure that you are always ready.
ProsCons
40 Channels with NOAA channel includedThe radio is bulky
Channel memory plus dual watch
4-watt antenna

Overall

This radio has a microphone included and a speaker out port among its many useful features. All in all, The Midland 75-822 is an excellent choice for many applications, especially for off-road and trucking purposes.

First CB Radio, Midland 75-822

4. Cobra HHRT50 Road Trip CB Emergency Radio – Best for Truckers

Cobra HHRT50 Road Trip Cb Radio - Emergency Radio, Travel Essentials, 2-Way Handheld Black Radio with Rooftop Magnet Mount Antenna, NOAA Channels, Dual Watch & 40 Channel Access
2,017 Reviews
Cobra HHRT50 Road Trip Cb Radio - Emergency Radio, Travel Essentials, 2-Way Handheld Black Radio with Rooftop Magnet Mount Antenna, NOAA Channels, Dual Watch & 40 Channel Access
  • MAGNETIC MOUNT MOBILE ANTENNA - Allows mobile operation from your vehicle. Mount the magnetic antenna to the roof of...
  • SOUND TRACKER SYSTEM - Don’t miss any important information due to interference or static, with the Sound tracker...
  • 10 NOAA WEATHER CHANNELS - Be the first to know of incoming hazards or changing weather w/ instant access to NOAA...

Last update on 2021-06-21 / Affiliate links

Cobra HHRT50 Specifications

Item Weight0.64 Pounds
Product Dimensions6.3 x 2 x 1.75 inches
Number of Channels40 CB Channels, 10 NOAA Weather Channels 24 hours a day
SoundTracker SystemCuts noise up to 90%
Power Output4 watts, the maximum allowed by law
High/Low Power SwitchReduces battery power consumption by up to 75% to extend battery life
Magnetic Mount Mobile AntennaAllows mobile operation from your vehicle
Recharging JackAllows charging of rechargeable NiMH AA batteries in unit with a AC wall charger (not included) or from the 12V port in your vehicle
DC Power Cord With Charge TipIncluded for in-vehicle use
RangeUp to 4 miles
What’s in the BoxItem, Antenna, User Guide
The Citizens Band incorporates the ease of a portable CB radio with the assurance of providing the longest range possible, allowing you to keep in touch at all times. In a compact and handheld design, it also has full access to 10 National Weather Channels for the most up-to-date weather updates.

Sound Tracker System and Dual Watch

The Cobra HHRT50 (official website) is fitted with a ‘Sound Tracker System,’ which can remove up to 90% of background noise, allowing for consistent frequency transmission. Static noise or interference are forms of noise that the device filters out. It also has a special feature called ‘Dual Watch,’ which helps you to track two channels at the same time.

4 Watts Efficiency Battery Function

The overall power output of this handheld CB radio is 4 watts, however, there are two power output options that you can choose from high power and low power. So, you can quickly turn between the two to get a 75 percent boost in battery life.
ProsCons
Includes a channel scan and NOAA channelIt needs some upgrades
Compact and portable design
Dual watch function

Overall

The Cobra HH50WXST is a versatile handheld radio that is one of the most compact handsets for truckers, considering the fact that the Cobra brand is better known for its high-end truck units. With dimensions of 6.3 x 2 x 1.75 inches and a battery life of up to a month from six AA batteries, it’s a decent size for analog gear.

Video Review: Cobra HH50WXST Hand Held CB Radio

5. President Electronics BILL CB Radio – Best Speaker Function

President Electronics BILL CB Radio, 40 Channels AM, 12 Volts, USB 5V/2.1A, Up/Down Channel Selector, Volume Adjustment and ON/OFF, Manual Squelch and ASC, Multi-functions LCD Display, S-meter
426 Reviews
President Electronics BILL CB Radio, 40 Channels AM, 12 Volts, USB 5V/2.1A, Up/Down Channel Selector, Volume Adjustment and ON/OFF, Manual Squelch and ASC, Multi-functions LCD Display, S-meter
  • 40 channels AM, 12 Volts, USB 5V/2.1A, Up/down channel selector
  • Volume adjustment and ON/OFF, Manual squelch and ASC
  • Multi-functions LCD display; ANL filter, NB, HI-CUT, Scan, Beep Function, Roger Beep

Last update on 2021-06-21 / Affiliate links

President Electronics BILL Specifications

Item Weight1.9 pounds
Product Dimensions9 x 6.3 x 2.5 inches
Number of Channels40 AM
Supply13.8 V
Channel selectorUp/down
Number of weather channels7, Weather alert
VolumeVolume adjustment and ON/OFF, Manual squelch ASC
DisplayLCD multifonction, Frequencies display
FeaturesS-meter, Digital Filter ANL, Filter NB, Filter HI-CUT, Scan, Beep Function, Roger beep, Key locking, Preset channel:EMG, 1 and 2 microphone plug:front (6 pins), External loudspeaker jack
ReceptionMaxi
Sensitivity At 20 dB sinad0.5 microvolts minus 113 dBm
Frequency Response300 Hz to 3 kHz
Adjacent Channel Selectivity60 dB
Accessories SuppliedPower cord with fuse, 1 mounting bracket with fixing screws, Ultra light electret microphone with support
This device has a maximum power output of 12 volts, which complies with FCC (official website) regulations. It has an automated channel scan feature that can scan all 40 CB radio channels at once. It has an option for immediate access to NOAA (official website) networks. As a result, you’ll have access to ten separate NOAA networks.

Battery Life Efficient

The battery of this radio is sufficient, and you can conserve battery life by using the low power output; its radio is commonly used in manufacturing, commercial, and off-road applications. High power is used to send out the best signal, and low power is used to conserve battery life.

Powerful Speaker Function

To amplify the radio’s audio, it has a microphone audio input and a dynamic external loudspeaker jack. A recharging jack guarantees that the batteries are charged with an AC wall hanger, among other functions. Voice is picked up from all angles by the omnidirectional microphone.
ProsCons
Digital and squelch filterZero adjustments available
Weather alert
Multifunctional frequency display

Overall

President Electronics BILL CB Radio (official website) might have the best speaker function in the market, it has many features to amplify any audio received by the unit and efficient battery life to maximize its operation. Overall, it’s a decent product to consider.

Video Review: President Electronics BILL CB radio

6. Radioddity CB-27 Mini CB Radio Mobile – Best Compact Design

Radioddity CB-27 Mini CB Radio Mobile 40-Channel, AM Instant Emergency Channel 9/19, RF Gain with Removable Microphone
277 Reviews
Radioddity CB-27 Mini CB Radio Mobile 40-Channel, AM Instant Emergency Channel 9/19, RF Gain with Removable Microphone
  • Ultra-compact and portable; Easy to use for beginner; Owns better sensitivity and RF gain control; AM radio station
  • Squelch Control: 9 levels Automatic Squelch (ASQ) and 29 levels Manual Squelch, make this radio more flexible to block...
  • Instant Emergency Channel 9 (for emergency use), Channel 19 (for truckers). Equipped with removable microphone, easy to...

Last update on 2021-06-21 / Affiliate links

Radioddity CB-27 Specifications

Item Weight15.2 ounces
Product Dimensions4.29 x 4.09 x 0.94 inches
Frequency26.965-27.405 MHz
Frequency Tolerance±5.0 ppm
Frequency ControlPLL Synthesizer
Input Voltage13,8V, 1.5A
Power ConsumptionTransmit: <2A
ReceiveSquelched 0.3A
Operating Temperature Range-20°C to +50°C
Antenna Impedance50Ω
Antenna Connector27MHz, SO-239
Mode of OperationSimplex
FeaturesInstant Channel 9/19
AM Station
Squelch Control
RF Gain Control
Keyboard Lock
Channel Scanning
Car Charger Power Supply
What’s in the box? 1 x CB-27
1 x Removable Microphone
1 x Bracket (with 2 Screws)
1 x Spare Fuse (F5A220V)
1 x User Manual
4 x Tooth Washers
4 x Mounting Screws
Warranty18-Month Warranty + Lifetime Support
CB-27 40-Channel Radioddity CB Mobile Radio (official website) has a 29-level squelch system and a higher sensitivity chip, allowing for better contact data. It also has the option to set signal intensity parameters for station placement. It comes with a detachable microphone with a cable that can be stretched to 78 inches.

RF Gain Control and Automatic Squelch

The RF Gain Control feature on this radio is used to change the receive sensitivity. This control should be switched far to the right in order to receive and furthest signals possible. To remove background static, it also comes with 9 levels of Automatic Squelch (ASQ) and 29 levels of Manual Squelch.

Emergency Signal and Speaker Jack

With Channel 9/Channel 19, this is an excellent radio for emergency response or travel assistance. It also works with external speakers; simply plug the amplifier into the external speaker jack to provide a louder volume in noisy cars and construction sites.
ProsCons
Works with an external speakerRather expensive
Tiny and portable
Backlit display and memory scan

Overall

The Radioddity CB-27, Mini CB Radio Mobile remains the best choice if you’re searching for the most portable and lightweight handheld CB radio. It’s filled with incredible features that will make communication simple, convenient, and perfectly clear.

Radioddity CB-27 CB Radio First Impressions – TheSmokinApe