MFJ Code Oscillators Model 557

Manufacturer: MFJ

Model Number: 557

Serial #:

Equipment Description: Code Oscillators

Label Write-up:
Two deluxe Morse Code practice oscillators feature a Morse Code straight key on a non-skid heavy steel base. Lets visitors practice code. Volume control and tone control adjustments on top. Runs on 9 volt battery or 110 VAC. Can be hooked to a transmitter for sending on the air.

Dates Produced: 2020+

Original Price: $70

The museum's inventory number: MRT-1906

Located at Museum in: Ham Shack

See others in the Key - Telegraph category.