icom Archives

IC-7300 Mark II Care and Feeding: Cooling, Cleaning, and Long-Term Reliability

July 9, 2026

Basic maintenance habits that keep the IC-7300 Mark II running reliably after heavy contest and digital mode use.

Getting the Most from the Mark II’s Built-In Antenna Tuner

July 7, 2026

How the IC-7300 Mark II’s internal automatic tuner actually behaves, what it can and can’t fix, and how to get fast, reliable matches from it.

Understanding RMDR: Why the Mark II’s Receiver Improvements Actually Matter

July 6, 2026

What RMDR actually measures, why the Mark II’s improved numbers matter in real operating conditions, and where you’ll actually notice the difference.

Setting Up RS-BA1 for Remote Operation over the Built-In LAN Port

July 6, 2026

How the Mark II’s built-in Ethernet port simplifies RS-BA1 remote setup, skipping the separate server PC the original IC-7300 needed.

Using the Separate RX Antenna Ports for an External Preamp or Filter

June 27, 2026

How the Mark II’s separate RX antenna in and out connectors let you add an external preamp or filter without touching the main antenna line.

Best Microphones and Headsets for the IC-7300 Mark II

June 24, 2026

What I’ve actually run on the IC-7300 Mark II’s mic connection, and what to look for if you’re upgrading from the stock hand mic.

Remote Operating the IC-7300 Mark II from Another Room in the House

June 23, 2026

What it actually feels like operating the Mark II remotely over RS-BA1 from another room, and where the experience still falls short of sitting at the radio.

IC-7300 Mark II Menu Deep Dive: Settings Worth Changing from Default

June 17, 2026

The Icom IC-7300 Mark II menu settings I changed out of the box, from AGC decay to fan and RF power curve behavior.

Should You Upgrade from the Original IC-7300 to the Mark II?

June 14, 2026

Honest thoughts on whether the Mark II’s improvements are worth the upgrade cost if you already own a working original IC-7300.

Using the Real-Time Spectrum Scope to Find Band Openings Faster

June 12, 2026

How I use the IC-7300 Mark II’s real-time spectrum scope and waterfall to find band openings and activity instead of tuning around blind.

Understanding the Mark II’s Dual USB-C Virtual COM Ports

June 10, 2026

What the IC-7300 Mark II’s dual USB-C virtual COM ports actually do, and why running digital modes and logging software together finally just works.

Used IC-7300 Pricing After the Mark II Launch: Is the Original Still Worth Buying?

June 9, 2026

What’s happened to used original IC-7300 pricing since the Mark II launched, and whether the original is still a smart buy.

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