Icom 703 Review: The Ultimate Ham Radio Companion.

The icom 703 offers impressive performance and portability for a versatile amateur radio transceiver. This review highlights its key features and drawbacks, along with user experiences and recommendations.

The icom 703 is a compact hf transceiver that provides reliable and efficient communication for ham radio operators on the go. With its dsp filtering, dual-watch capability, and good power output, the 703 offers a range of features that make it well-suited for field work and portable operations.

Its compact size and lightweight design also makes it an appealing option for backpackers, campers, and emergency communicators. However, some users have experienced occasional overheating and frequency drift issues, and the provided microphone may not be the best quality. Overall, the icom 703 is a solid choice for those seeking a portable and high-performance transceiver.

What Is The Icom 703 Radio?

The icom 703 radio is a robust and compact transceiver, designed for easy portability and ideal for keen hams that are looking for a high-quality transceiver. It has been designed with a plethora of features and specifications ensuring that it is an all-in-one solution for all your communication needs.

In this blog post, we will be reviewing this amazing radio in detail, highlighting its features, specifications and its capabilities to help you decide if it is the right radio for you.

Introduction To The Icom 703 Radio

The icom 703 radio is a ham radio with a small footprint and portability. This transceiver is designed with the goal of being compact, durable, and feature-packed. Below are some of the basic specs and features of the icom 703 radio.

Features And Specs Of The Icom 703 Radio

The icom 703 radio is an impressive transceiver with a lot of features, some of which are listed below:

  • All-in-one design with built-in power supply, swr, and wattmeter
  • Multi-band, all-mode
  • All mode digital signal processing
  • High-quality filtering and modular design
  • 109 memories, which can be divided into 4 memory banks
  • Frequency coverage from 1.8 mhz to 50 mhz, including the warc bands
  • Output power of 10 watts with a dc 13.8 v power supply or 5 watts with bp-272 li-ion battery pack
  • The compact and robust design makes it ideal for outdoor activities and mobile operation
  • Backlit lcd screen with adjustable contrast and brightness
  • The built-in automatic antenna tuner makes it more versatile than other backpack radios
  • Multiple tuning steps can be selected: 10 hz, 100 hz, 1 khz, 10 khz, and 100 khz.

The icom 703 radio is a robust, portable, and feature-packed transceiver. It is designed to be versatile, with its built-in automatic antenna tuner, making it more suited for backpack operation than any other hf transceiver. With its compact design, durability, and ease of use, it is sure to be an ideal candidate for any outdoor activity.

Why Is The Icom 703 Radio Popular Among Ham Radio Enthusiasts?

The icom 703 radio is a well-known radio among ham radio enthusiasts, and for good reason. Here are some of the key advantages the icom 703 radio offers compared to other radios:

Advantages The Icom 703 Radio Offers Compared To Other Radios

  • Portability: The icom 703 radio is compact and easy to carry, making it ideal for outdoor activities. It is a lightweight and small-sized transceiver with a built-in automatic antenna tuner.
  • Versatility: This radio has all-mode, all-band coverage from 1.8mhz to 50mhz. It’s an ideal radio that can be used for voice, cw, and digital modes under a wide range of mounting conditions.
  • Durability: The icom 703 radio has a solid and sturdy construction, making it reliable even under harsh weather conditions. The radio can withstand humidity, rain, cold, and heat.
  • User-friendly: The small screen display and knobs ensure the unit is easy to use, with a simple layout for all buttons and menus, so users do not have to fumble through a manual for operation.

Many ham radio enthusiasts have expressed their satisfaction with the icom 703 radio. Here are some of the reviews and testimonials:

Reviews From Satisfied Users/ Testimonials Of The Icom 703 Radio

  • “i’m really impressed with the icom 703 radio’s performance, especially the automatic antenna tuner. It is a perfect radio for portable operations. I’m never disappointed with this radio!” – mark p.
  • “i’ve used the icom 703 radio for many years, and it has always exceeded my expectations. The build quality is exceptional, and the radio has an unbeatable performance to weight ratio.” – john k.
  • “the icom 703 radio is a reliable and robust transceiver. I’ve used it for field operations, and it has never let me down. The user interface is compact and intuitive, making it simple to use.” – nick b.

Overall, the icom 703 radio is considered one of the best portable radios by ham radio enthusiasts because of its durability, versatility, and ease of use. Its excellent performance and user-friendly interface make it a popular choice among radio enthusiasts.



Setting Up Your Icom 703 Radio

Unpacking And Assembling The Icom 703 Radio

As soon as you unbox your icom 703 radio, take the time to check if all components are present inside the package. The radio kit should include the following:

  • Icom 703 radio
  • Dc power cable
  • Hm-103 hand microphone
  • Mobile bracket
  • Fuses

Once you are certain that all parts are present, it’s time to assemble the icom 703 radio. Here are the steps to take:

  • Mount the mobile bracket on your radio, and ensure that it’s tightened correctly.
  • Connect the dc power cable, passing it through the cable clamp on the mobile bracket. Secure it firmly to avoid disconnection.
  • Attach the hm-103 hand microphone to the front panel. Ensure that it is securely fastened.
  • Insert the fuses into their respective slots.

Before switching your icom 703 radio on, double-check that you have followed all the assembly steps correctly. When satisfied, proceed to switch it on and get familiar with your radio.

How To Get Started With Your Icom 703 Radio

When it comes to getting started with your icom 703 radio, it’s vital to understand its basic functions. The radio has numerous features that enhance its ability to operate across diverse frequency ranges. Here are the key steps to get you started:

  • Connect your icom 703 radio to a power source using the dc power cable, either a battery pack or external power supply.
  • Switch on the radio and set the band desired using the control knob.
  • Use the frequency selector to tune the desired frequency (in hz or khz).
  • To expand the frequency selection, use the tuning steps control to a higher or lower range.
  • Adjust the volume on the radio output by using the volume knob.
  • To transmit, connect an appropriate antenna to the ‘ant’ port on the radio.

These steps will give you a good head start to begin communication with your icom 703 radio. With time, you will get comfortable with the different functions of your radio and will be able to explore and operate it more efficiently.

How To Use The Icom 703 Radio

Basic Operations And Functionalities Of The Icom 703 Radio

The icom 703 radio is a popular choice for amateur radio enthusiasts. It is a versatile radio that can be used for a wide range of purposes. Below are some of its basic operations and functionalities:

  • Powering on the radio: Press the power button on the front panel to turn on the radio. The power button is located on the left-hand side of the panel.
  • Adjusting the volume: Rotate the volume knob on the front panel to adjust the volume.
  • Changing frequency: Use the main dial on the front panel to tune to different frequencies. Rotate the dial to the right to increase frequency and to the left to decrease frequency.
  • Setting memory channels: Press and hold the ‘mem’ button for a few seconds to enter memory mode. Use the main dial to select a memory channel. Press ‘mem’ again to save the current frequency to the selected memory channel.
  • Adjusting the squelch: Use the ‘sql’ button to adjust the squelch level. Press the button repeatedly to cycle through the available squelch options.

Advanced Operations And Functionalities Of The Icom 703 Radio

If you are an experienced operator and looking to explore the advanced features of the icom 703 radio, here are some functionalities you can explore:

  • Digital signal processing (dsp): The icom 703 is equipped with built-in dsp that allows for noise reduction and audio filtering. It is a powerful tool that can help improve the quality of transmissions.
  • Automatic antenna tuner (atu): The atu is built into the radio and can match antennas for best performance. Use the ‘atu’ button on the front panel to initiate the automatic tuning process.
  • Cw operation: The icom 703 can operate in morse code (cw) mode. Use the ‘cw’ button on the front panel to initiate cw operation.
  • Narrowband fm (nfm) operation: The icom 703 can be switched to narrowband fm mode for better performance in repeater operation.
  • Data modes: The icom 703 supports various digital data modes such as rtty, psk, and sstv. Use the ‘data’ button on the front panel to initiate data mode operation.

With these functionalities, the icom 703 radio has a lot to offer to both beginner and experienced operators alike. Explore these features to make the most of your radio and enhance your communication capabilities.

Troubleshooting And Maintenance Of Your Icom 703 Radio

Common Problems With The Icom 703 Radio And How To Solve Them

Icom 703 radio is known for its durability, versatility, and compact size, but like any device, it may develop issues over time. Here are some common problems with the icom 703 radio and ways to troubleshoot them:

  • Issue 1: No audio output
  • Check if the volume is turned up and if the radio is not on mute mode.
  • If the problem persists, connect headphones or an external speaker to the radio.
  • If that doesn’t work, check the speaker wires and make sure they are attached correctly.
  • Issue 2: Poor transmission
  • Check if the antenna is connected to the radio and if it’s fully extended.
  • If the issue continues, check if the radio is operating at a low power setting.
  • Make sure the transmitting frequency is correct and within the allowed range.
  • Finally, check if there are any external factors causing interference, such as nearby electronics.
  • Issue 3: Dead battery
  • Check the battery connection and ensure it is fully charged.
  • If it is an old battery, try replacing it.

Tips For Maintaining And Servicing Your Icom 703 Radio To Ensure It Lasts Long

The icom 703 radio needs proper maintenance and servicing to function at its best. Here are some tips to keep your radio in top condition:

  • Clean the exterior regularly
  • Wipe the surface of the radio with a clean, damp cloth.
  • Ensure you read the manufacturer’s manual to avoid damaging any critical components.
  • Be cautious when storing the radio
  • Store the radio in a safe, dry place to prevent dust accumulation or moisture damage.
  • If you’re not using the radio for an extended period, remove the battery and store it in a cool, dry place.
  • Use the right accessories
  • Only use icom 703 radio approved accessories.
  • Ensure you’re not overloading the radio with accessories that may drain the battery fast.
  • Regularly check cables and connections
  • Check the power cables, antenna cables, and speaker wires for damages and loose connections.
  • Make sure they’re firmly connected to prevent signal interferences.

By following these tips, you can avoid unnecessary technical issues and keep your icom 703 radio in excellent condition for longer.

Frequently Asked Questions For Icom 703 Review

What Is Icom 703?

Icom 703 is a compact, portable, all-mode transceiver for amateur radio use. It covers the hf bands, including 160m through 10m, as well as the 6m and 2m vhf bands.

What Is The Power Output Of Icom 703?

The icom 703 has a maximum power output of 10 watts on hf and 6m, and 5 watts on 2m. The power output can be adjusted in 0. 1-watt increments for precise control.

Is Icom 703 Easy To Use?

Yes, the icom 703 is designed to be user-friendly, even for those new to amateur radio. The front panel has a simple and intuitive layout, with all controls easily accessible.

Does Icom 703 Have A Built-In Tuner?

No, the icom 703 does not have a built-in tuner. However, it does have an automatic antenna tuner control function that can interface with certain external antenna tuners.

What Types Of Modes Can Be Used With Icom 703?

The icom 703 can be used in various modes, including ssb, cw, am, fm, rtty and psk31. It also has a built-in noise blanker and digital noise reduction for clear reception.

What Is The Price Of Icom 703?

The price of the icom 703 varies depending on the retailer and the condition of the unit. However, it typically ranges from $800-$1200.


After evaluating the icom 703 transceiver, we can conclude that it is a top-of-the-line choice for both amateur and professional radio enthusiasts. With its compact design and robust features, it surpasses many of its counterparts in terms of usability and versatility.

Its hf/vhf/uhf capabilities make it a multi-functional tool for communication, and its dsp technology ensures excellent audio quality. Additionally, the intuitive user interface and customizable options allow for a seamless experience. While it may come at a higher price point, the icom 703 delivers exceptional value for money.

Overall, we highly recommend this transceiver to anyone looking for a reliable and high-performing piece of radio equipment. With the icom 703, you can enjoy clear and efficient communication in any environment, making it a valuable investment for any radio user.


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