The MFJ-401E SlimLine Econo Keyer with Memory is a versatile microprocessor-controlled key designed to enhance your Morse code-sending experience. With features like iambic key operation and dot-and-dash memory, this keyer simplifies the process of sending flawless code. Additionally, it offers adjustable code speed, code weight, and sidetone frequency, catering to individual preferences. The keyer supports both direct and grid-block keying outputs, providing flexibility in usage.

Moreover, users can select between Iambic Type “A” and Type “B” keying options based on their personal preferences. The inclusion of volatile memory allows users to record and play a message of their choice, adding a personalized touch to their Morse code communications. Whether you are a beginner or an experienced Morse code enthusiast, the MFJ-401E SlimLine Econo Keyer with Memory offers a user-friendly interface and customizable features to suit varying skill levels and preferences.