Product Information
The MFJ-557 is a Deluxe Morse Code Practice Oscillator straight key model developed by the MFJ Enterprises brand. It has a contact pushed to create and send the practice message, and it has dimensions of 3.75-inches by 2.75-inches, which makes it compact and easy to carry. The radio and communication device is handy in learning the coded language which is useful for sending short messages.Product Identifiers
BrandMFJ
GTIN0702646177954
UPC0702646177954
eBay Product ID (ePID)1737650127
Product Key Features
Year ManufacturedEasy to use
Compatible BrandFor Icom, For Elecraft, For Realistic, For Drake, For Galaxy, For Hallicrafters, For Collins, For Wouxun, For Heathkit, For Kenwood, For Yaesu, Universal, For RadioShack, For Ranger, For Ten-Tec
FeaturesVolume controls, Built-In Headphone Jack
Compatible ModeleBay US