MFJ-550 Telegraph Straight Key for Morse Code
Car ElectronicsMFJ-550 Telegraph Straight Key for Morse Code value — New $52.94. Prices updated July 2026.
Used
—
New / Sealed
$52.94
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Item details
- Brand
- MFJ
- Category
- Car Electronics
The MFJ-550 is a Telegraph Straight Key designed for Morse Code operation, categorized under Car Electronics.
This key is sought after by Morse code enthusiasts and collectors interested in vintage or specialized communication equipment.
Resale value is influenced by the key's physical condition, whether it is complete with original parts, and any specific edition details.
Price guide
What this actually trades for — sold values by condition vs. what sellers are asking today
| Condition | Value | Based on |
|---|---|---|
| New / Sealed | $52.94 | eBay sold comps |
Frequently asked questions
- What is the MFJ-550?
- The MFJ-550 is a Telegraph Straight Key specifically designed for Morse Code operation.
- What factors affect the resale value of this key?
- Resale value is determined by the key's condition, completeness, and any specific edition it belongs to.
- Is this item categorized under car electronics?
- Yes, the MFJ-550 Telegraph Straight Key is categorized within Car Electronics.
