Programming the Icom IC-2820H without the CS-2820 software is like typing a 500-page book on a phone keypad. While the software is dated, it remains functional for those willing to apply compatibility tweaks. Follow this guide carefully, ensure you have the correct OPC-478 cable, and you’ll be back on the air with perfectly organized memories.
For additional help, join online communities like the Icom IC-2820H Facebook Group or Reddit r/amateurradio – many users share their CS-2820 experiences and driver configurations.
Have you successfully installed CS-2820 on Windows 11? Share your tips in the comments below!
Disclaimer: Icom is a registered trademark of Icom Incorporated. This article is for educational purposes. Always refer to your radio’s manual for cloning procedures.
Icom CS-2820 is the official cloning software for the and its variants
. While the official software is no longer directly available for new purchases from many primary manufacturers, third-party alternatives and legacy repositories provide functional ways to program your radio. Software Options Original Icom CS-2820 : This software allows you to program memory channels
, manage bank names, and configure radio settings on a PC. It is often provided on CD-ROM and requires a license key. RT Systems WCS-2820 : A popular modern alternative available for both (8.1, 10, 11) and (10.13.6 or higher). It includes a D-STAR calculator
and simplified spreadsheet-style management for over 500 memory channels. Icom Cs-2820 Software Download
: A free, open-source tool often used by the amateur radio community for programming various radio models, including many discontinued Icom units. Required Hardware To connect your
to a computer, you need one of the following cloning cables: Icom CS-2820 Programming Software - dnd.hu
For the Icom CS-2820 (or the compatible RT Systems WCS-2820), a highly valuable feature is the D-STAR Calculator Integration.
This feature allows you to set up complex D-STAR digital voice channels without manually looking up gateway or repeater details. It provides:
Automated Information Retrieval: By selecting or entering a location, the software automatically returns local repeater information.
One-Click Programming: It converts these lists into a ready-to-use radio file with just a few clicks.
Global Connectivity: The built-in calculator gives you access to D-STAR information from all around the world directly at your fingertips. Programming the Icom IC-2820H without the CS-2820 software
Specific Memory Management: You can manage up to 500 memory channels with D-STAR options, including digital settings like MY/UR call signs and RPT1/RPT2. Other Essential Software Capabilities
Spreadsheet Interface: Manage and organize frequencies, tones, and scan banks in a clear, tabular format rather than using the radio's buttons and knobs.
Data Archiving & Cloning: "Read" the current configuration from your radio to back it up on your PC, then "write" it to another IC-2820 for easy cloning.
External Data Import: Easily interface with internet-based directories like RepeaterBook, RadioReference, or the RFinder-Worldwide Repeater Directory.
GPS Memory Management: Organizes up to 100 GPS memories for tracking and APRS operations. Icom Mobile Radio Programming Software & Cables: IC-2820
Downloading software for the Icom IC-2820 (often referred to as
) can be approached in two primary ways: using the original manufacturer software or a third-party alternative from RT Systems 1. Official Icom CS-2820 Software The original CS-2820 Programming/Cloning Software Disclaimer: Icom is a registered trademark of Icom
is the manufacturer's proprietary solution for managing memory channels and settings. Availability : Many official distributors now list this software as discontinued
or unavailable for direct digital download from the main support site. Historically, it was often supplied on with a physical license key. Compatibility : Designed for operating systems. Where to check : You can search the Icom Japan Firmware/Software Support
portal, though it typically hosts manual downloads rather than the full cloning software for this specific older model. 2. RT Systems WCS-2820 (Recommended Alternative) Most users currently prefer the RT Systems WCS-2820 Programming Software
because it is actively supported and available for modern operating systems. RT Systems, Inc. OS Support : 8/8.1, 10 (32 or 64-bit), and 11. : 10.13.6 (64-bit) or newer. Key Features
: Includes a D-Star calculator, built-in links to repeater directories like RepeaterBook and RadioReference, and a spreadsheet-style layout for easy editing. Cables Required : Optimal performance is guaranteed when used with the RT Systems USB-29A (connects to the speaker jack) or the (connects to the data jack). RT Systems, Inc. Summary of Differences Icom CS-2820 (Original) RT Systems WCS-2820 CD-ROM (Legacy) Digital Download Windows Support Up to Win 10 (Varied) Win 8, 10, 11 Mac Support Yes (macOS 10.13.6+) OPC-1529R or similar USB-29A or USB-RTS05 Firmware / Software | Support | Icom Inc.
Once installed, the workflow is straightforward:
Open the software. Go to Clone > Read from Radio. Select the correct COM port. If successful, the software will download all current memories and settings.