DTX4300 IP54 Micro 5W UHF CB Radio | 80 Channel

📻 ORICOM DTX4300 IP54 MICRO 5 WATT UHF CB RADIO – 80 CHANNEL

Premium Ultra-Compact UHF CB with 96 Colour Display, Fast Scanning & Heavy-Duty Die-Cast Chassis

📡 The Oricom DTX4300 is a premium micro-size 5 Watt UHF CB radio designed for modern 4WDs, touring vehicles, utes and other vehicles where installation space is limited but full-power communication is still required.

Measuring just 22.5mm high × 100mm wide × 76mm deep, the DTX4300 is one of Oricom's most compact fixed-mount UHF solutions, making it ideal for discreet installations in dashboards, consoles and other tight mounting locations.

Despite its compact size, the DTX4300 delivers up to 5 Watts RF output, 80 Australian UHF CB channels, three memory groups, intelligent fast scanning, duplex repeater operation and a highly customisable 96-colour LCD backlit display.

A flip-LCD function provides greater mounting flexibility, while rotary volume/channel and squelch controls keep everyday operation simple. The radio is built around a rugged die-cast metal chassis, carries an IP54 dust and splash resistance rating and is backed by a 5-year radio warranty.

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⚡ KEY FEATURES

📻 Full 5 Watt UHF CB Power
Delivers up to 5 Watts maximum RF transmit power for full-power Australian UHF CB communications.

📏 Ultra-Compact Micro Size
At only 22.5 × 100 × 76mm, the DTX4300 is ideal for modern vehicles where dashboard and console space is limited.

🌈 96 Colour LCD Backlit Display
Highly customisable display illumination allows the radio to better match different vehicle interiors and personal preferences.

🔄 Flip LCD Function
Allows the display orientation to be reversed for greater flexibility when installing the radio above or below a console or dashboard.

📡 80 UHF CB Channels
Supports the Australian 80-channel UHF CB system, including 75 voice channels.

⚡ Smart Fast Scanning
Provides priority, group memory and group tone scanning with a specified scanning speed of approximately 50ms per channel.

📁 3 Memory Groups
Allows commonly used channels to be organised into separate groups for different trips, convoys or operating situations.

🎛️ Rotary Controls
Dedicated rotary volume/channel and squelch controls provide quick and intuitive adjustment while driving.

🎙️ Heavy-Duty Microphone
Designed for regular vehicle and touring use with a robust microphone arrangement.

📶 Duplex Repeater Capability
Supports repeater operation using the standard +750kHz transmit offset to extend communication coverage where a compatible repeater is available.

💦 IP54 Protection
Provides resistance against dust ingress and splashing water for demanding touring and mobile environments.

🛡️ Die-Cast Metal Chassis
Heavy-duty construction helps provide a robust platform for off-road, commercial and touring installations.

⚡ Over-Voltage Alert
Built-in alert functionality helps notify the user of unsuitable high supply voltage conditions.

🔆 Adjustable Backlight Brightness
Four preset brightness levels plus automatic adjustment help maintain good screen visibility day or night.

⏱️ Auto Power-Off
Selectable Off, 1-hour, 2-hour or 4-hour automatic shutdown settings.

🔊 External Speaker Connection
A 3.5mm jack allows connection of an optional compatible external speaker.

🛡️ 5 Year Radio Warranty
Backed by a five-year warranty for added confidence.

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📏 SERIOUS UHF PERFORMANCE IN AN ULTRA-COMPACT BODY

The DTX4300 is designed for installations where a conventional full-size radio simply takes up too much space.

Transceiver Dimensions:

Height: 22.5mm

Width: 100mm

Depth: 76mm

Transceiver Weight: Approximately 210g

This makes it particularly suitable for:

• 🚙 4WDs
• 🛻 Utes
• 🚐 Touring vehicles
• 🏕️ Camper setups
• 🚚 Commercial vehicles
• 🚜 Agricultural equipment
• 🏗️ Plant and machinery

Its compact size allows a clean installation without sacrificing full 5 Watt transmission capability.

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🌈 96 COLOUR LCD BACKLIT DISPLAY

The DTX4300 features a 96-colour LCD backlit display, giving considerably more visual customisation than a basic single-colour UHF screen.

This lets you choose a display colour that better suits:

• 🚙 Factory dashboard illumination
• 🌙 Night-time driving
• ☀️ Daytime visibility
• 🎨 Personal preference

Backlight brightness can also be adjusted using four preset levels plus automatic brightness control.

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🔄 FLIP LCD FOR FLEXIBLE MOUNTING

The flip-LCD function gives you greater freedom when deciding where to mount the radio.

If available space requires the unit to be installed in an alternative orientation, the screen display can be flipped so the information remains correctly oriented for the driver.

This is particularly useful in tight 4WD and modern vehicle interiors where mounting options can be limited.

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📻 FULL 5 WATT RF OUTPUT

Maximum RF Output Power: 5 Watts

The DTX4300 provides full-power UHF CB transmission capability despite its micro-size dimensions.

When paired with a correctly selected 50-ohm antenna system, it provides a capable communications platform for touring, convoy travel, off-road driving and commercial vehicle use.

⚠️ Communication range cannot be determined from transmit power alone. Antenna selection, antenna position, terrain, buildings and repeater availability have a major effect on real-world range.

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⚡ SMART FAST SCANNING

The DTX4300 offers several intelligent scanning options including:

• ⭐ Priority Scan
• 📁 Group Memory Scan
• 🔐 Group Tone Scan

Scanning Speed: Approximately 50ms Per Channel

This allows the radio to search for active communications quickly and provides useful flexibility for users who regularly monitor multiple channels.

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📁 3 MEMORY GROUPS

Three separate memory groups allow frequently used channels to be organised into logical sets.

For example, you could create different groups for:

• 🚙 4WD convoy communications
• 🚛 Highway channels
• 🏕️ Touring or campsite communications

This makes it easier to manage commonly used channels without repeatedly searching through the entire UHF channel range.

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🎛️ ROTARY CHANNEL, VOLUME & SQUELCH CONTROL

The DTX4300 uses practical rotary controls for commonly adjusted functions.

The controls allow quick adjustment of:

• 🔊 Volume
• 📡 Channel
• 🔇 Squelch

Physical rotary controls can be particularly convenient in off-road and work vehicles where fast adjustments are preferable to navigating menus.

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📶 DUPLEX REPEATER OPERATION

The DTX4300 supports both simplex and repeater operating modes.

Repeater TX Offset: +750kHz

Where a compatible UHF CB repeater is accessible, duplex operation can potentially provide communication over a significantly larger area than direct vehicle-to-vehicle communication.

⚠️ Duplex does not automatically increase range. An appropriate repeater must be available and within coverage.

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🔐 CTCSS & DCS SIGNALLING

The DTX4300 supports CTCSS and DCS signalling for compatible group communications.

These functions allow the radio to mute unwanted received audio that does not carry the selected tone or code.

⚠️ CTCSS and DCS do not make communications private or encrypted. Other UHF users can still monitor or transmit on the underlying channel.

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💦 IP54 DUST & SPLASH RESISTANCE

The DTX4300 carries an IP54 protection rating.

This provides additional resistance to:

• 🌫️ Dust ingress
• 💦 Splashing water

This makes the radio well suited to demanding touring and vehicle environments where dust and occasional moisture are common.

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🛡️ DIE-CAST METAL CHASSIS

The DTX4300 uses a die-cast metal transceiver chassis rather than relying solely on lightweight plastic construction.

This provides a robust foundation for installations in:

• 🚙 4WD touring vehicles
• 🛻 Work utes
• 🚜 Agricultural machinery
• 🏗️ Plant equipment
• 🚚 Commercial vehicles

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⚡ 12V VEHICLE OPERATION

Nominal Operating Voltage: 13.8V DC

Operating Voltage Range: 10–16V DC

This makes the DTX4300 suitable for compatible nominal 12V vehicle electrical systems.

A suitable voltage-conversion solution would be required where installation into a 24V vehicle is necessary.

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⚠️ OVER-VOLTAGE ALERT & ELECTRICAL PROTECTION

The DTX4300 includes an over-voltage alert function to help identify an unsuitable supply-voltage condition.

Electrical protection includes:

• ⚡ Over-voltage protection via diode and voltage-regulator system
• 🛡️ Over-current protection via 2A fuse
• 🔄 Reverse-polarity protection via shunt diode

These protections do not replace correct wiring and installation practices.

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⏱️ AUTO POWER-OFF

The DTX4300 includes selectable automatic shutdown options:

• Off
• 1 Hour
• 2 Hours
• 4 Hours

This can be useful where you want the radio to automatically switch off after a nominated period rather than remaining powered indefinitely.

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🔊 OPTIONAL EXTERNAL SPEAKER

A 3.5mm external speaker jack is included for connection of an optional compatible speaker.

An external speaker can be particularly useful where:

• 🚙 The radio is mounted away from the driver
• 🚚 Cabin noise is high
• 🔊 Additional audio volume is required
• 🧰 The installation location partially obstructs the radio speaker

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📡 50-OHM ANTENNA SYSTEM

Antenna Impedance: 50 Ohms

A correctly selected UHF antenna is one of the most important parts of achieving good real-world radio performance.

Antenna choice should consider:

• 🏜️ Open-country touring
• ⛰️ Hilly and mountainous terrain
• 🏙️ Urban driving
• 🚛 Highway operation
• 🚙 Antenna mounting location

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🇰🇷 DESIGNED & ENGINEERED IN KOREA

The DTX4300 is listed as designed and engineered in Korea and is part of Oricom's premium DTX Series of UHF CB radios.

Compliance: AS/NZS 4365:2011

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🛡️ 5 YEAR WARRANTY

The DTX4300 radio is backed by a five-year warranty, providing additional confidence for customers installing it into touring, off-road and work vehicles.

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📋 TECHNICAL SPECIFICATIONS

Brand: Oricom

Series: Premium DTX Series

Model: DTX4300

Product Type: Micro-Size UHF CB Radio

RF Output Power: 5 Watts Maximum

Frequency Range TX/RX: 476.425–477.4125MHz

Number of UHF CB Channels: 80

Voice Channels: 75

Channel Spacing: 12.5kHz

Operating Modes: Simplex & Repeater

Repeater TX Offset: +750kHz

Scanning Speed: 50ms Per Channel

Scanning Modes: Priority / Group Memory / Group Tone Scan

Memory Groups: 3

CTCSS: 38 Listed

DCS: Supported – Exact Number Not Separately Specified

Antenna Impedance: 50 Ohms

Nominal Operating Voltage: 13.8V DC

Operating Voltage Range: 10–16V DC

Transmit Current Consumption: Approximately 1.7A with 50-Ohm Antenna Termination

Over-Voltage Alert: Yes

Over-Voltage Protection: Diode & Voltage Regulator System

Over-Current Protection: 2A Fuse

Reverse-Polarity Protection: Shunt Diode

Frequency Stability: ±5ppm

Modulation: F3E / FM

Maximum Deviation: 2.5kHz

Spurious Emissions: <-30dBm

TX Audio Pre-Emphasis: 6dB/Octave from 300Hz to 3kHz

Receiver Circuit Type: Dual Conversion Superheterodyne

Intermediate Frequencies: 1st IF 21.4MHz / 2nd IF 450kHz for Main RX

Maximum Usable Sensitivity: -123dBm at 12dB SINAD Unweighted

Audio Output Power: Greater Than 2 Watts into 8 Ohm Load

RX Audio De-Emphasis: +6dB/Octave from 300Hz to 3kHz – As Listed

Signal-to-Noise Ratio: Greater Than 40dB

Conducted Spurious Emission: Greater Than -57dBm – As Listed

Display: 96 Colour LCD Backlit Display

Flip LCD: Yes

Backlight Brightness: 4 Preset Levels + Auto

Volume / Channel Control: Rotary

Squelch Control: Rotary

Microphone: Heavy Duty

Chassis: Die-Cast Metal

Ingress Protection: IP54

Auto Power-Off: Off / 1 Hour / 2 Hours / 4 Hours

External Speaker Connection: 3.5mm Jack

Transceiver Dimensions (H × W × D): 22.5 × 100 × 76mm

Transceiver Weight: Approximately 210g

Compliance: AS/NZS 4365:2011

Designed & Engineered: Korea

Warranty: 5 Years – Radio

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🔧 INSTALLATION CONSIDERATIONS

• Use with a compatible nominal 12V vehicle electrical system
• Ensure supply voltage remains within the stated 10–16V DC range
• Do not connect directly to a 24V electrical system
• Retain the specified 2A over-current protection
• Use a compatible 50-ohm UHF CB antenna system
• Select an antenna appropriate for your terrain and vehicle
• Mount the radio in a secure and suitably protected position
• Use the flip LCD function where an alternative mounting orientation is required
• Keep cabling protected from sharp edges, heat and moving components
• Do not treat the IP54 rating as waterproof or submersible protection

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❓ FREQUENTLY ASKED QUESTIONS

How small is the DTX4300?

The transceiver measures only 22.5mm high × 100mm wide × 76mm deep and weighs approximately 210g, making it exceptionally compact for a fixed-mount 5 Watt UHF CB radio.

Is it still a full 5 Watt UHF despite the small size?

Yes. Maximum RF output is specified at 5 Watts.

Is the DTX4300 suitable for a 4WD?

Yes. Its compact dimensions, full-power transmission, IP54 rating, die-cast chassis, fast scanning and memory groups make it particularly suitable for touring and off-road vehicle installations.

Would this be a good choice for a modern vehicle with limited dash space?

Yes. Space-efficient installation is one of the DTX4300's main strengths. At only 76mm deep and 22.5mm high, it can fit locations that may not accommodate a conventional full-size radio.

What does the flip LCD function do?

It allows the display orientation to be reversed, giving you more flexibility when deciding how and where the radio is mounted.

Can I change the screen colour?

Yes. The DTX4300 uses a 96-colour LCD backlit display, providing extensive display-colour customisation.

Can I adjust the screen brightness?

Yes. There are four preset brightness levels plus an automatic brightness mode.

Does it have the full 80 Australian UHF CB channels?

Yes. The DTX4300 supports 80 UHF CB channels, including 75 voice channels.

How fast does it scan?

The technical specification lists approximately 50 milliseconds per channel, making the DTX4300 a very fast-scanning UHF radio.

What are the three memory groups useful for?

They allow frequently used channels to be organised into separate groups, which can be useful for convoy, highway, work or touring communications.

What scan modes does it offer?

The listed smart scanning functions include priority scan, group memory scan and group tone scan.

Can I use UHF repeaters with it?

Yes. The DTX4300 supports duplex repeater operation with a +750kHz transmit offset.

Will duplex give me more range?

It can when a compatible UHF repeater is available and within range. Duplex does not by itself increase direct vehicle-to-vehicle range.

How far will this radio transmit?

There is no single reliable distance figure. Antenna type, antenna mounting position, terrain, buildings, other vehicles and repeater coverage all have a major influence on usable range.

What antenna should I use?

The DTX4300 requires a 50-ohm UHF antenna system. The best antenna depends on whether you predominantly travel in open country, mixed terrain, hills or urban areas.

Does an antenna come with the DTX4300?

An antenna is not identified as included in the product information here, so confirm the exact package contents if you require a complete radio and antenna setup.

What are CTCSS and DCS used for?

They are signalling systems that allow compatible radios to mute unwanted communications that do not use the selected tone or code.

Are CTCSS and DCS private channels?

No. They do not encrypt communications. Other radios can still receive or transmit on the underlying UHF CB channel.

How many DCS codes does the DTX4300 have?

The information provided confirms DCS functionality but does not separately specify the exact number of DCS codes. That figure should be confirmed before relying on a specific quantity.

Is the DTX4300 waterproof?

No. It is rated IP54, which provides dust and splash resistance but does not make the radio waterproof or suitable for submersion.

Can I install it somewhere exposed inside an open vehicle?

It should still be mounted in an appropriately protected location. IP54 provides useful environmental resistance but does not make the radio suitable for unrestricted exposure to rain or direct water spray.

Can I connect this radio directly to a 24V truck?

No. The specified operating voltage range is 10–16V DC. A suitable 24V-to-12V conversion solution would be required.

How much current does it draw when transmitting?

The specified transmit current consumption is approximately 1.7A when connected to a 50-ohm antenna termination.

What fuse does it use?

The specification lists a 2A fuse for over-current protection.

What does the over-voltage alert do?

It provides an alert if the input voltage rises beyond the radio's intended operating conditions, helping identify an electrical supply problem.

Does it have reverse-polarity protection?

Yes. Reverse-polarity protection is listed as a shunt diode.

Can I connect an external speaker?

Yes. A 3.5mm external speaker jack is provided for a compatible optional speaker.

Does the radio automatically switch itself off?

It can. The auto power-off function can be set to Off, 1 hour, 2 hours or 4 hours.

How does the DTX4300 compare with the Oricom UHF310?

Both are compact 5 Watt UHF CB radios with flip-screen functionality. The DTX4300 adds premium features including a 96-colour display, three memory groups, smart fast scanning, IP54 protection, die-cast metal construction and selectable auto power-off.

How does this compare with a controller-microphone radio such as the DTX4200XP?

The DTX4300 keeps the display and primary controls on the compact transceiver itself, making it a good choice where you have a small but accessible mounting position. A controller-microphone model is better suited where you want to hide the transceiver completely and operate the radio primarily from the microphone.

What should I check before buying?

Confirm your vehicle uses a compatible 12V electrical system within the radio's 10–16V range, make sure you have a suitable mounting location for the 22.5 × 100 × 76mm transceiver, select an appropriate 50-ohm antenna and decide whether an optional external speaker is needed for your installation.

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📻 PREMIUM 5 WATT UHF PERFORMANCE IN AN INCREDIBLY COMPACT PACKAGE

The Oricom DTX4300 proves that a premium fixed-mount UHF CB does not need to take up valuable dashboard space.

With full 5 Watt RF output, 80 UHF CB channels, a 96-colour flip LCD, smart fast scanning, three memory groups, duplex repeater capability, IP54 protection and a rugged die-cast metal chassis, it packs an impressive feature set into a transceiver measuring just 22.5 × 100 × 76mm.

For 4WDs, touring vehicles, utes and modern vehicle interiors where space is limited but communication performance still matters, the DTX4300 is a premium compact UHF solution built for the job.