{"product_id":"oricom-uhf400r-heavy-duty-din-5w-uhf-cb-radio-12v-24v","title":"UHF400R Heavy Duty DIN 5W UHF CB Radio | 12V\/24V","description":"\u003cdiv style=\"font-weight: bold;\"\u003e\n\u003ch2 style=\"color: #dd1d1d;\"\u003e📻 ORICOM UHF400R HEAVY DUTY DIN SIZE 5 WATT UHF CB RADIO – 12V \/ 24V\u003c\/h2\u003e\n\u003ch3 style=\"color: #00aaff;\"\u003eHeavy-Duty 5W UHF CB Radio Built for Australian Trucks, Transport, Commercial Vehicles \u0026amp; Machinery\u003c\/h3\u003e\n\u003cp\u003e📡 The Oricom UHF400R is a heavy-duty DIN-size 5 Watt UHF CB radio designed specifically for demanding Australian transport and commercial vehicle applications.\u003c\/p\u003e\n\u003cp\u003eWith automatic 12V \/ 24V power switching and a wide 10–30V DC operating range, the UHF400R can be installed directly into compatible 12V or 24V vehicles without requiring a separate voltage reducer simply to operate the radio.\u003c\/p\u003e\n\u003cp\u003eA built-in dynamic front speaker, traditional rotary channel, squelch and volume controls, external heat-sink design and full 5 Watt RF output make it particularly well suited to trucks and machinery where simple operation, strong audio and dependable communications are priorities.\u003c\/p\u003e\n\u003cp\u003eThe UHF400R also provides 80 Australian UHF CB channels, up to 200 programmable receive-only channels, duplex repeater capability, Selcall, CTCSS\/DCS signalling and multiple scan modes, giving professional operators a highly capable communications platform.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3 style=\"color: #00aaff;\"\u003e⚡ KEY FEATURES\u003c\/h3\u003e\n\u003cp\u003e\u003cspan style=\"color: #80ff00;\"\u003e📻 Full 5 Watt UHF CB Output\u003c\/span\u003e\u003cbr\u003eDelivers up to 5 Watts RF transmission power for full-power Australian UHF CB communications.\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: #80ff00;\"\u003e🚛 Built for Australian Transport\u003c\/span\u003e\u003cbr\u003eHeavy-duty design makes the UHF400R particularly well suited to trucks, commercial fleets, agricultural machinery and other hard-working vehicles.\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: #80ff00;\"\u003e⚡ Automatic 12V \/ 24V Switching\u003c\/span\u003e\u003cbr\u003eSupports a wide 10–30V DC operating range, allowing installation into compatible nominal 12V and 24V vehicle electrical systems.\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: #80ff00;\"\u003e🔊 Built-In Dynamic Front Speaker\u003c\/span\u003e\u003cbr\u003eFront-facing audio output is particularly useful in truck dashboards and DIN-style installations where clear sound is essential.\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: #80ff00;\"\u003e🎛️ Rotary Channel, Squelch \u0026amp; Volume Controls\u003c\/span\u003e\u003cbr\u003eTraditional rotary controls provide fast, straightforward adjustment without navigating complicated menus.\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: #80ff00;\"\u003e🌡️ External Heat Sink\u003c\/span\u003e\u003cbr\u003eDesigned to help manage operating temperature and maintain dependable full-power performance during demanding use.\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: #80ff00;\"\u003e🎙️ Automatic Level Control\u003c\/span\u003e\u003cbr\u003eALC helps maintain consistent transmitted audio levels for clearer communication between different operators.\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: #80ff00;\"\u003e📡 80 Australian UHF CB Channels\u003c\/span\u003e\u003cbr\u003eSupports the standard 80-channel UHF CB system, including 75 voice channels.\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: #80ff00;\"\u003e📻 200 Programmable Receive-Only Channels\u003c\/span\u003e\u003cbr\u003eProvides additional receive-only channel capability for compatible frequencies within the unit's supported receiving range.\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: #80ff00;\"\u003e🔤 5-Digit Selcall ID with Alpha Display\u003c\/span\u003e\u003cbr\u003eProvides Selcall functionality with an alphanumeric display for compatible selective-calling applications.\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: #80ff00;\"\u003e🔐 38 CTCSS \u0026amp; 104 DCS Codes\u003c\/span\u003e\u003cbr\u003eProvides extensive signalling options for compatible group communications.\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: #80ff00;\"\u003e📶 Duplex Repeater Capability\u003c\/span\u003e\u003cbr\u003eSupports repeater operation using the standard +750kHz transmit offset to extend communications where a compatible repeater is available.\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: #80ff00;\"\u003e🔍 Open, Instant \u0026amp; Priority Scan\u003c\/span\u003e\u003cbr\u003eMultiple scanning options provide greater flexibility when monitoring UHF CB activity.\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: #80ff00;\"\u003e⭐ Priority Channel\u003c\/span\u003e\u003cbr\u003eAllows quick access and monitoring of a nominated priority channel.\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: #80ff00;\"\u003e🎙️ Rear Microphone Connection\u003c\/span\u003e\u003cbr\u003eRear mic connection allows alternative microphone routing when used with the optional Oricom EXTC400 extension cable.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3 style=\"color: #00aaff;\"\u003e🚛 PURPOSE-BUILT FOR TRUCKS \u0026amp; COMMERCIAL VEHICLES\u003c\/h3\u003e\n\u003cp\u003eThe UHF400R is designed around the requirements of Australian transport operators rather than simply adapting a lightweight recreational radio.\u003c\/p\u003e\n\u003cp\u003eIts combination of 12V \/ 24V compatibility, front-facing speaker, rotary controls and heavy-duty construction makes it particularly suitable for:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e🚛 Prime movers and heavy trucks\u003c\/li\u003e\n\u003cli\u003e🚚 Delivery and commercial vehicles\u003c\/li\u003e\n\u003cli\u003e🚜 Agricultural machinery\u003c\/li\u003e\n\u003cli\u003e🏗️ Earthmoving and plant equipment\u003c\/li\u003e\n\u003cli\u003e🚙 4WDs and touring vehicles\u003c\/li\u003e\n\u003cli\u003e🛻 Service and fleet vehicles\u003c\/li\u003e\n\u003cli\u003e🏭 Industrial and site vehicles\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch3 style=\"color: #00aaff;\"\u003e⚡ DIRECT 12V \u0026amp; 24V VEHICLE COMPATIBILITY\u003c\/h3\u003e\n\u003cp\u003eOne of the biggest advantages of the UHF400R for truck installations is its broad 10–30V DC operating range.\u003c\/p\u003e\n\u003cp\u003eThis allows the radio to operate from compatible nominal:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e🔋 12V vehicle systems\u003c\/li\u003e\n\u003cli\u003e🔋 24V vehicle systems\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe radio automatically accommodates the appropriate supply voltage within its specified operating range.\u003c\/p\u003e\n\u003cp\u003eThis can simplify installation in heavy vehicles where 24V electrical systems are common.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3 style=\"color: #00aaff;\"\u003e📻 FULL 5 WATT RF OUTPUT\u003c\/h3\u003e\n\u003cp\u003eMaximum RF Output Power: 5 Watts\u003c\/p\u003e\n\u003cp\u003eThe UHF400R provides full-power UHF CB transmission despite being designed around convenient in-dash operation.\u003c\/p\u003e\n\u003cp\u003eCombined with an appropriately selected 50-ohm antenna system, this makes it suitable for demanding transport, convoy, worksite and touring communications.\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: #dd1d1d;\"\u003e⚠️ Actual communication range depends heavily on antenna selection, antenna mounting location, terrain, buildings, surrounding vehicles and whether simplex or repeater operation is being used.\u003c\/span\u003e\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3 style=\"color: #00aaff;\"\u003e🌡️ EXTERNAL HEAT SINK FOR DEMANDING USE\u003c\/h3\u003e\n\u003cp\u003eThe UHF400R incorporates an external heat sink designed to assist with heat dissipation during operation.\u003c\/p\u003e\n\u003cp\u003eThis is particularly useful in commercial environments where radios can see frequent transmission use and may be installed within crowded dashboards or equipment consoles.\u003c\/p\u003e\n\u003cp\u003eThe design helps the radio maintain reliable full-power operation under appropriate installation conditions.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3 style=\"color: #00aaff;\"\u003e🔊 BUILT-IN DYNAMIC FRONT SPEAKER\u003c\/h3\u003e\n\u003cp\u003eThe built-in front-facing dynamic speaker makes the UHF400R particularly practical for in-dash installation.\u003c\/p\u003e\n\u003cp\u003eUnlike radios where the speaker may be facing downwards or hidden behind trim, front-directed audio helps keep incoming communications clear and accessible to the driver.\u003c\/p\u003e\n\u003cp\u003eMaximum Receiver Audio Output: 3 Watts\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3 style=\"color: #00aaff;\"\u003e🎛️ SIMPLE ROTARY CONTROLS\u003c\/h3\u003e\n\u003cp\u003eThe UHF400R uses dedicated rotary controls for:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e📡 Channel selection\u003c\/li\u003e\n\u003cli\u003e🔇 Squelch adjustment\u003c\/li\u003e\n\u003cli\u003e🔊 Volume control\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThis straightforward control layout is particularly useful in trucks and machinery where operators need to adjust the radio quickly without working through multiple menus.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3 style=\"color: #00aaff;\"\u003e📡 80 UHF CB CHANNELS\u003c\/h3\u003e\n\u003cp\u003eThe UHF400R supports:\u003c\/p\u003e\n\u003cp\u003e80 UHF CB Channels\u003c\/p\u003e\n\u003cp\u003e75 Voice Channels\u003c\/p\u003e\n\u003cp\u003eChannel Spacing: 12.5kHz\u003c\/p\u003e\n\u003cp\u003eUHF CB TX\/RX Frequency Range: 476.425–477.4125MHz\u003c\/p\u003e\n\u003cp\u003eThis provides compatibility with the Australian UHF CB channel system.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3 style=\"color: #00aaff;\"\u003e📻 200 USER-PROGRAMMABLE RECEIVE-ONLY CHANNELS\u003c\/h3\u003e\n\u003cp\u003eIn addition to the standard UHF CB channels, the UHF400R provides up to 200 user-programmable receive-only channels.\u003c\/p\u003e\n\u003cp\u003eThe technical information lists receiving coverage extending through the 400–512MHz range.\u003c\/p\u003e\n\u003cp\u003eThis can provide useful additional monitoring capability where appropriate frequencies are programmed.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3 style=\"color: #00aaff;\"\u003e📶 DUPLEX REPEATER OPERATION\u003c\/h3\u003e\n\u003cp\u003eThe UHF400R supports both simplex operation and repeater operation with a +750kHz transmit offset.\u003c\/p\u003e\n\u003cp\u003eWhere an appropriate UHF CB repeater is within coverage, duplex operation can extend communication beyond normal direct vehicle-to-vehicle range.\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: #dd1d1d;\"\u003e⚠️ Duplex does not automatically increase range. A suitable repeater must be available and within communication range.\u003c\/span\u003e\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3 style=\"color: #00aaff;\"\u003e🔍 OPEN, INSTANT \u0026amp; PRIORITY SCANNING\u003c\/h3\u003e\n\u003cp\u003eThe UHF400R includes multiple scanning modes:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e🔍 Open Scan\u003c\/li\u003e\n\u003cli\u003e⚡ Instant Scan\u003c\/li\u003e\n\u003cli\u003e⭐ Priority Scan\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThis allows users to monitor channel activity more effectively rather than remaining on a single channel at all times.\u003c\/p\u003e\n\u003cp\u003eScanning Speed: Approximately 130ms Per Channel\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3 style=\"color: #00aaff;\"\u003e🔤 5-DIGIT SELCALL ID\u003c\/h3\u003e\n\u003cp\u003eThe UHF400R incorporates a five-digit Selcall identification system with alpha display capability.\u003c\/p\u003e\n\u003cp\u003eSelcall can provide selective signalling between compatible radios, which may be useful in transport fleets and organised work environments.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3 style=\"color: #00aaff;\"\u003e🔐 38 CTCSS \u0026amp; 104 DCS CODES\u003c\/h3\u003e\n\u003cp\u003eThe radio provides:\u003c\/p\u003e\n\u003cp\u003e38 CTCSS Codes\u003c\/p\u003e\n\u003cp\u003e104 DCS Codes\u003c\/p\u003e\n\u003cp\u003eThese signalling systems can help compatible groups reduce unwanted received audio from other users on the same channel.\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: #dd1d1d;\"\u003e⚠️ CTCSS and DCS do not make a UHF CB channel private or encrypted. Other users can still transmit on and monitor the underlying channel.\u003c\/span\u003e\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3 style=\"color: #00aaff;\"\u003e🎙️ AUTOMATIC LEVEL CONTROL – ALC\u003c\/h3\u003e\n\u003cp\u003eAutomatic Level Control is designed to maintain more consistent transmitted audio levels.\u003c\/p\u003e\n\u003cp\u003eThis can be useful in fleet environments where different operators may hold the microphone at different distances or speak at different volumes.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3 style=\"color: #00aaff;\"\u003e🎙️ REAR MICROPHONE CONNECTION\u003c\/h3\u003e\n\u003cp\u003eThe UHF400R includes a rear microphone connection for applications where alternative microphone cable routing is preferred.\u003c\/p\u003e\n\u003cp\u003eThe EXTC400 is not included with the standard radio.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3 style=\"color: #00aaff;\"\u003e🛡️ BUILT-IN ELECTRICAL PROTECTION\u003c\/h3\u003e\n\u003cp\u003eThe UHF400R incorporates several electrical protection features:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e⚡ Over-voltage protection via voltage regulation\u003c\/li\u003e\n\u003cli\u003e🛡️ Over-current protection via 2A fuse\u003c\/li\u003e\n\u003cli\u003e🔄 Reverse-polarity protection via series diode\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThese protections complement, rather than replace, correct electrical installation practices.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3 style=\"color: #00aaff;\"\u003e🔧 50-OHM ANTENNA SYSTEM\u003c\/h3\u003e\n\u003cp\u003eRequired Antenna Impedance: 50 Ohms\u003c\/p\u003e\n\u003cp\u003eA properly selected and installed UHF antenna is critical to achieving good real-world communication performance.\u003c\/p\u003e\n\u003cp\u003eThe best antenna will depend on the vehicle and operating environment. Highway trucks, open-country touring vehicles and equipment operating in hilly terrain may benefit from different antenna characteristics.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3 style=\"color: #00aaff;\"\u003e📋 TECHNICAL SPECIFICATIONS\u003c\/h3\u003e\n\u003cp\u003eBrand: Oricom\u003c\/p\u003e\n\u003cp\u003eModel: UHF400R\u003c\/p\u003e\n\u003cp\u003eProduct Type: Heavy-Duty UHF CB Radio\u003c\/p\u003e\n\u003cp\u003eInstallation Style: DIN Size\u003c\/p\u003e\n\u003cp\u003eRF Output Power: 5 Watts Maximum\u003c\/p\u003e\n\u003cp\u003eUHF CB TX\/RX Frequency Range: 476.425–477.4125MHz\u003c\/p\u003e\n\u003cp\u003eAdditional Receive Coverage: 400–512MHz\u003c\/p\u003e\n\u003cp\u003eProgrammable Receive-Only Channels: Up to 200\u003c\/p\u003e\n\u003cp\u003eNumber of UHF CB Channels: 80\u003c\/p\u003e\n\u003cp\u003eVoice Channels: 75\u003c\/p\u003e\n\u003cp\u003eChannel Spacing: 12.5kHz\u003c\/p\u003e\n\u003cp\u003eOperating Modes: Simplex \u0026amp; Repeater\u003c\/p\u003e\n\u003cp\u003eRepeater TX Offset: +750kHz\u003c\/p\u003e\n\u003cp\u003eScanning Modes: Open \/ Instant \/ Priority\u003c\/p\u003e\n\u003cp\u003eScanning Speed: 130ms Per Channel\u003c\/p\u003e\n\u003cp\u003ePriority Channel: Yes\u003c\/p\u003e\n\u003cp\u003eSelcall: 5-Digit ID with Alpha Display\u003c\/p\u003e\n\u003cp\u003eCTCSS Codes: 38\u003c\/p\u003e\n\u003cp\u003eDCS Codes: 104\u003c\/p\u003e\n\u003cp\u003eAntenna Impedance: 50 Ohms\u003c\/p\u003e\n\u003cp\u003eOperating Voltage Range: 10–30V DC\u003c\/p\u003e\n\u003cp\u003e12V \/ 24V Auto Switching: Yes\u003c\/p\u003e\n\u003cp\u003eTransmit Current Consumption: Approximately 1.6A with 50-Ohm Antenna Termination\u003c\/p\u003e\n\u003cp\u003eOver-Voltage Protection: Voltage Regulator\u003c\/p\u003e\n\u003cp\u003eOver-Current Protection: 2A Fuse\u003c\/p\u003e\n\u003cp\u003eReverse-Polarity Protection: Series Diode\u003c\/p\u003e\n\u003cp\u003eFrequency Stability: ±2.5ppm\u003c\/p\u003e\n\u003cp\u003eModulation: F3E \/ FM\u003c\/p\u003e\n\u003cp\u003eMaximum Deviation: 2.5kHz\u003c\/p\u003e\n\u003cp\u003eSpurious Emissions: \u0026lt;-30dBc\u003c\/p\u003e\n\u003cp\u003eTX Audio Pre-Emphasis: 6dB\/Octave from 300Hz to 3kHz\u003c\/p\u003e\n\u003cp\u003eReceiver Circuit Type: Dual Conversion Superheterodyne\u003c\/p\u003e\n\u003cp\u003eIntermediate Frequencies: 1st IF 30.85MHz \/ 2nd IF 450kHz\u003c\/p\u003e\n\u003cp\u003eMaximum Usable Sensitivity: \u0026lt; -123dBm at 12dB SINAD\u003c\/p\u003e\n\u003cp\u003eMaximum Audio Output Power: 3 Watts\u003c\/p\u003e\n\u003cp\u003eRX Audio De-Emphasis: -6dB\/Octave from 300Hz to 3kHz\u003c\/p\u003e\n\u003cp\u003eSpurious Immunity: \u0026gt;70dB\u003c\/p\u003e\n\u003cp\u003eBuilt-In Speaker: Dynamic Front Speaker\u003c\/p\u003e\n\u003cp\u003eChannel Control: Rotary\u003c\/p\u003e\n\u003cp\u003eSquelch Control: Rotary\u003c\/p\u003e\n\u003cp\u003eVolume Control: Rotary\u003c\/p\u003e\n\u003cp\u003eAutomatic Level Control: Yes\u003c\/p\u003e\n\u003cp\u003eRear Microphone Connection: Yes\u003c\/p\u003e\n\u003cp\u003eRear Microphone Extension Cable: Optional EXTC400 Required\u003c\/p\u003e\n\u003cp\u003eCompliance: AS\/NZS 4365:2011\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3 style=\"color: #00aaff;\"\u003e🔧 INSTALLATION CONSIDERATIONS\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eSuitable for compatible 12V or 24V electrical systems within the specified 10–30V DC range\u003c\/li\u003e\n\u003cli\u003eRetain the specified 2A fuse protection\u003c\/li\u003e\n\u003cli\u003eUse an appropriate 50-ohm UHF antenna system\u003c\/li\u003e\n\u003cli\u003ePosition the antenna to achieve suitable coverage for the vehicle\u003c\/li\u003e\n\u003cli\u003eAllow appropriate airflow around the external heat sink\u003c\/li\u003e\n\u003cli\u003eRoute power and antenna cables away from excessive heat and abrasion\u003c\/li\u003e\n\u003cli\u003ePlan microphone routing before completing the DIN installation\u003c\/li\u003e\n\u003cli\u003eUse the optional EXTC400 where the rear microphone extension configuration is required\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch2 style=\"color: #dd1d1d;\"\u003e❓ FREQUENTLY ASKED QUESTIONS\u003c\/h2\u003e\n\u003ch3 style=\"color: #00aaff;\"\u003eIs the UHF400R designed specifically for trucks?\u003c\/h3\u003e\n\u003cp\u003eYes. It is designed as a heavy-duty UHF CB for Australian transport applications, with features such as 12V \/ 24V auto switching, a front speaker, rotary controls and an external heat sink making it particularly suitable for commercial vehicles.\u003c\/p\u003e\n\u003ch3 style=\"color: #00aaff;\"\u003eCan I install it directly into a 24V truck?\u003c\/h3\u003e\n\u003cp\u003eYes, provided the vehicle supply is within the UHF400R's stated 10–30V DC operating range. The radio features automatic 12V \/ 24V switching.\u003c\/p\u003e\n\u003ch3 style=\"color: #00aaff;\"\u003eDo I need a 24V-to-12V reducer?\u003c\/h3\u003e\n\u003cp\u003eNot simply to operate the UHF400R from a compatible 24V vehicle system. Its 10–30V operating range is specifically designed to accommodate both nominal 12V and 24V systems.\u003c\/p\u003e\n\u003ch3 style=\"color: #00aaff;\"\u003eIs it still a full 5 Watt radio on 24V?\u003c\/h3\u003e\n\u003cp\u003eThe UHF400R is specified with a maximum RF output of 5 Watts and is designed for operation throughout its supported 10–30V supply range.\u003c\/p\u003e\n\u003ch3 style=\"color: #00aaff;\"\u003eWhy does it have an external heat sink?\u003c\/h3\u003e\n\u003cp\u003eThe heat sink assists with heat dissipation, which is particularly useful for demanding commercial applications where the radio may transmit frequently.\u003c\/p\u003e\n\u003ch3 style=\"color: #00aaff;\"\u003eDoes it have a speaker built in?\u003c\/h3\u003e\n\u003cp\u003eYes. The UHF400R has a built-in dynamic front speaker with up to 3 Watts maximum audio output.\u003c\/p\u003e\n\u003ch3 style=\"color: #00aaff;\"\u003eIs a front speaker better for a truck installation?\u003c\/h3\u003e\n\u003cp\u003eIt can be. With the radio mounted into a dashboard or DIN-style location, a front-facing speaker directs audio toward the cabin rather than into the dash structure.\u003c\/p\u003e\n\u003ch3 style=\"color: #00aaff;\"\u003eDoes it have the full 80 Australian UHF CB channels?\u003c\/h3\u003e\n\u003cp\u003eYes. The UHF400R supports 80 UHF CB channels, with 75 identified as voice channels.\u003c\/p\u003e\n\u003ch3 style=\"color: #00aaff;\"\u003eWhat are the extra 200 channels?\u003c\/h3\u003e\n\u003cp\u003eThey are user-programmable receive-only channels. They allow additional compatible frequencies to be monitored but do not provide transmission outside the normal UHF CB channels.\u003c\/p\u003e\n\u003ch3 style=\"color: #00aaff;\"\u003eCan I transmit anywhere between 400 and 512MHz?\u003c\/h3\u003e\n\u003cp\u003eNo. The broader 400–512MHz coverage relates to additional receiving capability. UHF CB transmission remains within the specified Australian UHF CB frequency range.\u003c\/p\u003e\n\u003ch3 style=\"color: #00aaff;\"\u003eCan I use repeaters with this radio?\u003c\/h3\u003e\n\u003cp\u003eYes. Duplex repeater operation is supported using the standard +750kHz transmit offset.\u003c\/p\u003e\n\u003ch3 style=\"color: #00aaff;\"\u003eWill using duplex automatically give me more range?\u003c\/h3\u003e\n\u003cp\u003eNo. Duplex only provides additional range when a suitable repeater is available and within coverage.\u003c\/p\u003e\n\u003ch3 style=\"color: #00aaff;\"\u003eHow far will the UHF400R communicate?\u003c\/h3\u003e\n\u003cp\u003eThere is no single accurate distance. UHF range depends heavily on terrain, antenna selection, antenna location, surrounding vehicles and whether communication is direct or through a repeater.\u003c\/p\u003e\n\u003ch3 style=\"color: #00aaff;\"\u003eWhat antenna do I need?\u003c\/h3\u003e\n\u003cp\u003eThe UHF400R requires a 50-ohm antenna system. The ideal antenna gain and mounting position depend on whether the vehicle operates mainly on open highways, mixed terrain, urban areas or hilly country.\u003c\/p\u003e\n\u003ch3 style=\"color: #00aaff;\"\u003eDoes an antenna come with it?\u003c\/h3\u003e\n\u003cp\u003eAn antenna is not identified as included in the information provided here, so check the package contents before ordering if you require a complete radio and antenna installation.\u003c\/p\u003e\n\u003ch3 style=\"color: #00aaff;\"\u003eWhat does Selcall do?\u003c\/h3\u003e\n\u003cp\u003eThe UHF400R provides a five-digit Selcall identification system that can be used for selective signalling between compatible radios.\u003c\/p\u003e\n\u003ch3 style=\"color: #00aaff;\"\u003eWhat are CTCSS and DCS used for?\u003c\/h3\u003e\n\u003cp\u003eThey allow compatible radios to mute transmissions that do not contain the selected signalling code, helping reduce unwanted audio on busy shared channels.\u003c\/p\u003e\n\u003ch3 style=\"color: #00aaff;\"\u003eDo CTCSS or DCS make communications private?\u003c\/h3\u003e\n\u003cp\u003eNo. They are signalling and squelch functions, not encryption. Other users can still monitor the underlying UHF CB channel.\u003c\/p\u003e\n\u003ch3 style=\"color: #00aaff;\"\u003eWhat scan modes does it have?\u003c\/h3\u003e\n\u003cp\u003eThe UHF400R provides open, instant and priority scan modes, along with a dedicated priority-channel function.\u003c\/p\u003e\n\u003ch3 style=\"color: #00aaff;\"\u003eCan I relocate the microphone connection?\u003c\/h3\u003e\n\u003cp\u003eThe radio includes a rear microphone jack. The optional Oricom EXTC400 extension cable is required for the applicable rear-extension arrangement.\u003c\/p\u003e\n\u003ch3 style=\"color: #00aaff;\"\u003eDoes the EXTC400 come with the radio?\u003c\/h3\u003e\n\u003cp\u003eNo inclusion is stated here. The EXTC400 is described as an optional extension cable and should be purchased separately where required.\u003c\/p\u003e\n\u003ch3 style=\"color: #00aaff;\"\u003eHow much power does the radio use when transmitting?\u003c\/h3\u003e\n\u003cp\u003eThe specified transmit current consumption is approximately 1.6A with a 50-ohm antenna termination.\u003c\/p\u003e\n\u003ch3 style=\"color: #00aaff;\"\u003eWhat size fuse does it use?\u003c\/h3\u003e\n\u003cp\u003eThe specification lists a 2A fuse for over-current protection.\u003c\/p\u003e\n\u003ch3 style=\"color: #00aaff;\"\u003eDoes it have reverse-polarity protection?\u003c\/h3\u003e\n\u003cp\u003eYes. The UHF400R uses a series diode for reverse-polarity protection.\u003c\/p\u003e\n\u003ch3 style=\"color: #00aaff;\"\u003eIs it suitable for agricultural machinery and earthmoving equipment?\u003c\/h3\u003e\n\u003cp\u003eYes. Its heavy-duty design, 10–30V operating range and straightforward rotary controls make it well suited to many agricultural and plant-equipment installations.\u003c\/p\u003e\n\u003ch3 style=\"color: #00aaff;\"\u003eWould this be better than a compact micro UHF for a truck?\u003c\/h3\u003e\n\u003cp\u003eThe UHF400R is particularly attractive where you have suitable dashboard space and want a dedicated front speaker, conventional rotary controls, direct 24V compatibility and additional receive-only channel capability. A micro UHF may be preferable where physical mounting space is the main concern.\u003c\/p\u003e\n\u003ch3 style=\"color: #00aaff;\"\u003eWhat should I check before buying?\u003c\/h3\u003e\n\u003cp\u003eConfirm you have a suitable installation position, make sure the vehicle supply is within the 10–30V DC operating range, select an appropriate 50-ohm antenna and decide whether you need the optional EXTC400 cable for rear microphone routing.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2 style=\"color: #dd1d1d;\"\u003e🚛 HEAVY-DUTY UHF COMMUNICATION BUILT FOR AUSTRALIAN TRANSPORT\u003c\/h2\u003e\n\u003cp\u003eThe Oricom UHF400R combines full 5 Watt UHF CB performance with the features that matter in demanding commercial vehicles.\u003c\/p\u003e\n\u003cp\u003eWith automatic 12V \/ 24V operation, a built-in dynamic front speaker, traditional rotary controls, external heat-sink design, 80 UHF CB channels, 200 programmable receive-only channels, Selcall, duplex repeater capability and multiple scan modes, it is built to be practical and dependable behind the wheel.\u003c\/p\u003e\n\u003cp\u003eFor trucks, transport fleets, agricultural machinery and commercial vehicles where clear communication and straightforward operation matter, the UHF400R is a serious heavy-duty UHF solution.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"ORICOM","offers":[{"title":"Default Title","offer_id":44549569052920,"sku":"UHF400R","price":274.5,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0652\/9230\/4632\/files\/UHF400R.jpg?v=1710311259","url":"https:\/\/www.homeof12volt.com.au\/products\/oricom-uhf400r-heavy-duty-din-5w-uhf-cb-radio-12v-24v","provider":"Home of 12 Volt Northern","version":"1.0","type":"link"}