The CG Antennas PK-4 by CG-Antenna is an ultra-compact and efficient Morse code memory keyer designed for use with virtually any radio. Whether you’re operating in a contest, running portable field operations, or just working from home, the PK-4 provides a reliable and intuitive CW experience in a small, battery-powered package.
With advanced features like four programmable memory slots, adjustable speed, and built-in sidetone, the PK-4 gives operators full control in a minimal form factor. Its power-saving design makes it ideal for both everyday and portable use.
Compact and Lightweight:
Weighs just 192g, making it perfect for portable or QRP operations.
Speed Control & Adjustability:
Keying speed adjustable from 8 to 50 WPM
Customizable character weighting and repeat delay
Supports Iambic-B mode (Note: Iambic-A not supported)
Memory Storage:
4 memory slots
Store up to 120 characters total
Each slot accessed via dedicated individual buttons
Programming is done directly via paddle for quick updates in the field
Connectivity & Sound:
Integrated 1m cable with 3.5mm jack for easy connection to most radios
Built-in sidetone, which can be toggled on or off
Power Efficiency:
Powered by 2 × AAA (micro) batteries
Power-saving mode for extended battery life
Ideal for contesters, backpackers, and home operators
The PK-4 memory keyer offers the perfect combination of portability, functionality, and simplicity. Its user-friendly paddle-based programming, compact size, and efficient power usage make it an excellent choice for CW operators who need reliable performance without bulk.
Whether you’re chasing DX, activating summits, or working your favourite contests, the PK-4 delivers CW keying precision wherever your radio takes you.
