Icom
Icom OPC-1000 Extension
Best extension cable for marine radio users needing flexible microphone placement.
Extend the reach of your Icom communication system with the OPC-1000 Extension cable. This 20-foot (6.1 M) cable is specifically designed to connect with the HM-205RB unit and rear microphone ports, offering greater flexibility in radio placement. It ensures seamless integration with compatible Icom marine radios, maintaining the reliability of your setup. With same-day shipping available on most in-stock orders, you can quickly enhance your communication capabilities and ensure your equipment is operational without delay.
$78.92
Owner Satisfaction
4.5
/ 5
Category Rank
284
/ 1072
#284 in Communication Radio Accessories
Price vs Category Average
-21%
Below average
Cable Length
206.1
/ feet ( M)
Who it's for
- Users prioritizing seamless, reliable hardware integration
- Owners wanting a clean, professional vehicle interior
- Drivers needing ergonomic radio placement in tight dashboards
Who should skip it
- Budget-conscious buyers seeking affordable installation solutions
- Installers looking for a quick, simple setup process
- Operators working in rugged or high-traffic environments
Performance breakdown
Signal Integrity
Maintains clear, interference-free audio transmission over the full twenty-foot span.
Build Durability
Ruggedized shielding stands up to the harsh demands of marine environments.
Installation Versatility
Provides essential flexibility for mounting radios in tight or remote locations.
System Compatibility
Engineered specifically for seamless integration with Icom marine radio hardware.
Cable Manageability
Flexible enough for easy routing through bulkheads and tight cabin spaces.
Connection Reliability
Secure locking mechanism prevents accidental disconnections during heavy sea conditions.
Key Specs
Cable Length
20 feet (6.1 M)
Compatibility
HM-205RB and rear microphone connection
Brand
Icom
Model Number
ICO-OPC1000
Accessory Type
Cable/Adapter
Compatible Radio Type
Marine Radio
Features
- Provides 20' extension for flexible placement
- Connects to rear microphone ports
- Designed for HM-205RB integration
- Enhances radio positioning options
- Ensures reliable Icom system extension
What customers say
Customers overwhelmingly value the Icom OPC-1000 for its superior quality and guaranteed reliability. This essential extension cable features robust, durable OEM construction with precise connectors, ensuring a stable, high-performance connection vital for remote transceiver head mounting. Users confirm it integrates seamlessly as a true plug-and-play solution, eliminating compatibility risks associated with third-party options. While the genuine Icom product is acknowledged as the preferred choice for mission-critical setups demanding flawless performance, the primary drawback cited by many is the premium price point compared to aftermarket alternatives. Satisfaction remains high among those prioritizing guaranteed Icom quality.
Know before you buy
The OPC-1000 is a 20-foot extension cable designed to provide more flexibility when mounting your Icom marine radio. It allows you to connect your microphone to the rear port of the radio, enabling you to place the main unit in a more convenient or secure location.
The OPC-1000 is specifically engineered for use with the HM-205RB and systems utilizing rear microphone ports. You should verify that your specific radio model supports rear microphone connectivity before purchasing.
No, the cable is designed by Icom to maintain signal integrity over the 20-foot distance. As long as the connection is secure, you should experience the same reliable audio performance as you would with a direct connection.
No, this cable is purpose-built for microphone connectivity via the rear port. It is not intended for use with external speakers or other radio accessories.
Yes, as an official Icom accessory for marine radios, the cable is built to withstand the demands of a marine environment. It ensures a reliable, secure connection consistent with the standards of your marine communication system.
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