Icom IC-705 HF/VHF/UHF All Mode Portable QRP 5W/10W Transceiver – A Full In-Depth Review

The Icom IC-705 is a game-changer in the world of portable ham radios. Designed for amateur radio operators who want an all-in-one, travel-friendly transceiver without sacrificing performance or features, the IC-705 is a highly compact and sophisticated rig that brings together the best of Icom's technology into a lightweight and versatile package. Covering HF, VHF, and UHF bands with all-mode operation—including SSB, CW, RTTY, AM, FM, and D-STAR digital voice—the IC-705 is ideal for portable, QRP, and even base station use in a pinch.

Design and Build Quality

Right out of the box, the IC-705 impresses with its robust and polished design. It’s compact enough to fit in one hand but feels incredibly sturdy. The transceiver weighs approximately 2.4 pounds (1.1 kg), making it a comfortable companion for field operations, SOTA (Summits on the Air), and POTA (Parks on the Air). The build is dominated by a large 4.3-inch color touchscreen display which serves as the centerpiece for user interaction.

The layout of controls is clean and intuitive. The front panel sports a combination of physical buttons and knobs, augmented by the touchscreen, providing a user-friendly interface that blends traditional and modern controls. The top and side panels house connections for antenna, microphone, power, and accessories, all well-marked and easily accessible.

Band Coverage and Power Output

The IC-705 offers wideband receive coverage from 0.030 to 144 MHz and 430–450 MHz, allowing users to monitor a broad spectrum of frequencies. On transmit, the radio covers the amateur bands on HF (160 to 10 meters), VHF (2 meters), and UHF (70 centimeters). Power output is selectable between 0.5W to 5W on internal battery and up to 10W when using an external 13.8V power supply. This makes it perfect for QRP enthusiasts while still providing enough punch for solid contacts in favorable conditions.

Despite being a QRP radio, the IC-705 performs remarkably well in signal strength and clarity. It utilizes Icom's RF direct sampling system for HF and IF sampling for VHF/UHF, minimizing signal loss and maximizing efficiency. The receiver is sensitive, with low noise, and capable of handling crowded band conditions with ease.

Display and Interface

The large color touchscreen is a standout feature of the IC-705. It offers vibrant visuals, quick response times, and easy navigation. Touch access to frequency settings, menus, and scope features adds a layer of convenience that is rarely found in portable rigs. The real-time spectrum scope and waterfall display provide a clear, high-resolution view of band activity, which is invaluable during portable operations.

The screen also displays SWR, power output, voltage, and a wide array of operational parameters, making it easy to monitor performance in the field. Menu navigation is logical and organized, and once a user becomes familiar with the system, adjustments can be made quickly and accurately.

Connectivity and Features

The IC-705 is loaded with connectivity options. It includes built-in Wi-Fi, Bluetooth, GPS, and a microSD card slot. The Wi-Fi feature allows for remote operation via Icom’s RS-BA1 app, and the Bluetooth can be used for wireless headsets and audio accessories. The built-in GPS enables automatic grid locator updates and location stamping for logs.

Another welcome inclusion is the USB-C port, which handles data communication, audio, and even power, making it compatible with modern computing equipment and simplifying digital mode operation. The radio is compatible with a wide array of digital modes such as FT8, PSK31, and RTTY when connected to a computer.

Battery and Portability

The IC-705 comes with the BP-272 Li-ion battery pack, which is also used in Icom’s handheld radios. While this is a convenient option, the battery life depends heavily on usage. Operating with full screen brightness and high transmit rates will drain the battery faster than expected, but under average portable operation, the battery holds up respectably.

Field operators will likely want to bring extra battery packs or use an external power supply to extend operation time. Despite this, the portability of the IC-705 makes it a preferred option for those who enjoy operating from remote locations.

Audio and Performance

The IC-705 delivers excellent audio quality both on transmit and receive. The internal speaker produces clear and loud sound, even in outdoor conditions. For those who want higher fidelity or need to operate discreetly, a headphone jack and Bluetooth audio compatibility are available.

On-air reports often highlight the clarity and punch of the transmitted audio. The built-in microphone is good, but Icom also offers optional mics for those wanting different configurations. The combination of clean transmission, sensitive reception, and advanced DSP filtering ensures strong performance even under challenging band conditions.

Logging and SDR Capabilities

Another feature worth highlighting is the SDR-like performance of the IC-705. With its direct sampling receiver and comprehensive real-time band scope, the radio mimics many of the capabilities found in full-size SDR transceivers. This is especially useful for those who are serious about monitoring multiple signals, spotting weak signals, and adjusting operating strategies in real-time.

Logging is made easier with the internal GPS and the ability to store logs on a microSD card. This helps simplify post-operation analysis or uploading to digital logging platforms.

Final Thoughts

The Icom IC-705 is a near-perfect companion for the modern ham radio operator who values portability, versatility, and technology. While it does come with a premium price tag, it more than justifies the cost with its wealth of features, performance capabilities, and cutting-edge technology packed into a compact chassis.

Whether used for portable QRP operations, base station backup, digital modes, or simply casual listening across the bands, the IC-705 stands out as a top-tier transceiver. It bridges the gap between handheld convenience and desktop functionality, making it one of the most innovative and desirable radios in the amateur radio market today.

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Radioddity VB70-B 70W VHF Mobile Ham Radio Review: A High-Powered, Feature-Rich Communication Tool

For radio enthusiasts who demand both power and performance, the Radioddity VB70-B 70W VHF Mobile Ham Radio stands out as a robust option tailored for serious amateur radio users. Designed for the 144-148MHz VHF frequency range, the VB70-B brings together exceptional transmitting power, advanced audio features, and modern connectivity options in a compact and rugged form factor. This review explores its core capabilities, practical use cases, build quality, and overall value.

High Power and Performance

The most striking feature of the Radioddity VB70-B is its impressive 70-watt output power, a significant boost over the common 50-watt models in the same class. This added power extends transmission range, improves signal strength in less-than-ideal environments, and ensures that communications are stable even under challenging atmospheric conditions. Whether used in rural, mountainous terrain or in emergency preparedness setups, the 70W output makes a noticeable difference in clarity and reliability.

Users can also toggle between high (70W), medium (25W), and low (5W) power settings depending on their operational needs. This flexibility ensures efficient battery or power supply use and prevents unnecessary interference with nearby frequencies when less power suffices.

VHF Focus with Air Band Support

The VB70-B is designed to operate exclusively within the VHF band (144-148MHz), making it ideal for local and regional amateur radio communications. While it does not support UHF, it compensates with added Air Band reception. This allows listeners to monitor aviation communications, an appealing feature for hobbyists, emergency volunteers, or those with an interest in air traffic monitoring. Though it is receive-only for Air Band, the feature adds versatility to an already strong package.

Bluetooth and Wireless PTT

One of the modern touches that sets this unit apart is its integrated Bluetooth functionality. This feature enables wireless audio accessories, such as headsets, to be paired with the radio for hands-free operation. It’s especially useful for mobile setups in vehicles, where ease of access and minimal distraction are crucial.

Complementing the Bluetooth feature is the inclusion of a wireless Push-To-Talk (PTT) module. This small, separate device can be mounted within easy reach in a vehicle or held in hand during base station use. It brings added freedom of movement and allows operators to communicate without having to stay glued to the main radio unit or its handheld mic.

Effective Noise Reduction

Audio clarity is often a concern with high-powered radios, especially in mobile environments where background noise can interfere. The VB70-B addresses this issue with a built-in noise reduction function. This digital noise suppression system helps filter out engine hum, wind, and static interference, providing a crisper and cleaner audio experience for both the transmitting and receiving ends of a conversation.

Even in urban areas with electrical noise or in mobile units moving through noisy environments, the noise reduction technology contributes to improved intelligibility, reducing the need to repeat messages or strain to hear incoming signals.

Channel Capacity and Organization

With 510 programmable memory channels, the VB70-B provides ample room for organizing repeaters, simplex frequencies, weather channels, and more. These channels can be grouped, named, and managed using programming software, making it easier to navigate your preferred frequencies without manually tuning during operation.

This extensive channel capacity is useful for both daily use and special event setups where multiple frequencies may need to be monitored or cycled through quickly. Whether used in public service events, emergency response, or regional nets, having room for hundreds of custom channels is a major advantage.

Build Quality and Usability

The VB70-B features a durable metal chassis and a well-ventilated design to support long-duty cycles without overheating. The front panel is user-friendly, with a bright LCD display that shows essential data such as frequency, power level, and channel name. The control knob and buttons are tactile and responsive, allowing for quick adjustments even while driving or operating in low-light conditions.

The included hand mic is comfortable to use and features programmable buttons for quick access to commonly used functions. The unit's compact form makes it easy to mount in various vehicle configurations or integrate into a home station setup with minimal space requirements.

Versatility and Use Cases

This radio is an ideal match for a wide range of users:

• Mobile Operators: With its powerful 70W output, wireless PTT, and Bluetooth headset support, the VB70-B is well-suited for amateur radio operators who communicate while on the move.

• Emergency Communications: Its high power, channel flexibility, and noise reduction features make it a solid option for volunteer emergency communications teams.

• Aviation Enthusiasts: The Air Band reception adds an extra layer of utility for those interested in following aviation communications.

• Radio Clubs and Events: The channel memory, clear audio, and robust build make it reliable for ham radio clubs organizing nets or field events.

Conclusion

The Radioddity VB70-B is a well-rounded, high-performance VHF mobile radio that offers more than just brute power. With modern touches like Bluetooth connectivity, wireless PTT support, and noise reduction, it caters to both traditional ham operators and tech-savvy users looking for added convenience and functionality. Its 70-watt output provides extended reach, while the channel memory and Air Band reception enhance overall utility. Whether mounted in a vehicle, installed at a base station, or used in an emergency setup, this radio delivers performance, durability, and advanced features in one compelling package.

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