MFJ-557 Telegraphy manipulator Ideal for practicing MORSE

MFJ-557

MFJ-557 telegraphy manipulator Morse oscillator that allows us to listen to what is typed. The MFJ-557 is ideal for practicing MORSE. It has a built-in speaker, volume control, tone control and headphone jack. You can also connect an external speaker for greater sound power for use, for example, in training classrooms.

Works with external power supply 12 volts or R22 battery of 9 volts inside the equipment (Battery not included)

Characteristic

• Model: MFJ-557
• Basic Color Black
• PUSH BUTTON type
• Regulation contacts according to User
• Material: Steel, etc.
• 12 volt power supply
• built-in speaker
• Volume control
• Headphone audio output
• Measures 22 x 5.8 x 4 cm
• Weight 577 grams.