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MFJ-451 Keyboard

Discussion in 'Straight Keys - CW Enthusiasts' started by M6TZR, Oct 1, 2019.

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  1. M6TZR

    M6TZR Ham Member QRZ Page

    Hi, I've just purchased a second hand MFJ-451 without the MFJ keyboard. Before I spend more money than I need to on an MFJ-551, has anybody used a keyboard other than the AT as recommended by MFJ? The AT keyboards are very hard and expensive to come by in the UK. They recommend not using an XT, are there any alternatives?
  2. KG7WGX

    KG7WGX XML Subscriber QRZ Page

  3. M6TZR

    M6TZR Ham Member QRZ Page

    Thanks for coming back that looks like an interesting and cheaper options than a 551.
  4. W9RAC

    W9RAC Platinum Subscriber Platinum Subscriber QRZ Page

    I have a MFJ 452 keyer and 551 keyboard. I did notice they mention it is RF suppressed. So I am not certain if other keyboards may have a RF issue while being operated in a high RF area or not however I have never had a problem with it. 73 Rich


    RFI suppressed keyboard

    A must to avoid RFI problems when operating CW keyboard mode."

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