🔑 Unlock Your Morse Code Potential!
The MFJ-557 Deluxe Morse Code Practice Oscillator is a modern, corded electric device designed for enthusiasts looking to master Morse code. With a sleek black design, volume control, and a lightweight form factor, this oscillator is perfect for indoor practice. Made in the USA, it combines durability with functionality, making it an essential tool for both beginners and seasoned operators.
| Brand | MFJ |
| Colour | black |
| Power Source | Corded Electric |
| Style | Modern |
| Special Feature | Oscillating |
| Theme | Modern |
| Voltage | 9 Volts |
| Collection Name | All |
| Switch Type | Push Button |
| Item Weight | 1.26 Pounds |
| Indoor/Outdoor Usage | Indoor |
| Model Name | MFJ-557 |
| Model number | MFJ-557 |
| Form Factor | Handheld |
| Item Weight | 572 g |
| Product Dimensions | 21.59 x 9.53 x 5.72 cm; 571.53 g |
| Item model number | MFJ-557 |
| Item Height | 2.25 Inches |
| Item Width | 3.75 Inches |
| Are batteries included? | No |
| Main power connector | Standard Household Plug |
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