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Customer Reviews for the MFJ-557.

From: JOSE FIGUEIREDO
O produto é conforme o anúncio. Gostei, foi uma boa compra. Está sendo muito útil para treinar e ensinar. Bravo Zulu!!

From: David Mevis W5FRR
Purchased the MFJ-557 for a 2M code training net. I was going to build my own oscillator and just buy a key, but seeing the MFJ-557 was only a few dollars more than the attached straight key, I figured I'd just buy the whole rig. Boy . . . what a great decision! The key is mounted really well on the metal base and the oscillator is nice and loud if turned up. The earphone output is also a nice feature. Now, I'm going to dig through my box of "wall warts" to find a 12V supply and the setup will be perfect! Thanks MFJ!



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