MFJ-464 – CW Reader / Keyer / Keyboard


A type-ahead buffer, message memories and adjustable speed get you ready to compete with the world’s best hi-speed CW operators – and they won’t even know you just passed the code test! The reader has auto speed track MFJ Auto Trak automatically locks on, tracks, and displays CW to 99 WPM. Simply plug in your MFJ-464 to your receiver speaker until the lock LED flashes in time with the CW.

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High-Performance Modem Consistently gets a solid copy from MFJs high-performance PLL (phase lock loop) modem. Digs out weak signals. Even tracks slightly drifting signals. Of course, nothing can clean up and copy a sloppy fist, especially weak signals with lots of QRM/QRN.

Superb built-in Keyer Features The MFJ-464 combines the latest millennium microprocessor technology with non-volatile EEPROM memory for a full-featured, low cost, high-reliability design. You can send CW or load messages using a paddle, keyboard, or through your computer serial port. Easy-to-use menus and LCD display let you set all keyer functions merely by pushing buttons. Keyer functions can also be changed from your keyboard or computer. The MFJ-464 has 4 message memories of 256 characters each. You can repeat messages continuously, insert timed pauses within messages, insert an auto-incrementing serial number, have messages call other messages or insert embedded commands to change speed, weight, etc. – automatically.

MFJ-464 supports direct keying output, has PTT output, a built-in speaker, sinewave sidetone and more! Iambic keyer with dot and dash memories: automatic, semi, or hand-key mode. Input queue lets you store multiple messages. Auto-incrementing contest serial numbering from 001 to 9999.

Adjustable Speed 5-99 WPM Digital linear speed control from 5-99 WPM. Farnsworth Mode with speed adjustable from 10-99 WPM. Ultra speed sets messages up to 990 WPM. Adjustable weight 25% to 75%. Adjustable sidetone from 300 to 1000 Hz. Keying output delay up to 20 milliseconds. Pust-To-Talk (PTT) hang time to 5 seconds. Timed tune function for XMTR adjusting. Timed pauses in messages/message loop. Internal speaker with adjustable volume. Support for Qwerty and Dvorak keyboards.

Type-Ahead Buffer 190 characters type-ahead keyboard buffer with a low-buffer warning. Keyboard input lets you plug in any AT keyboard. All commands functions and memories can be done through the keyboard! Compact and handsome all-black metal cabinet measures just 6.25 x 2.5 x 6.25 inches.

  • Sends and Reads 5-99 WPM
  • Automatic Speed Tracking
  • Large 2-line LCD shows send/receive messages
  • Single or Iambic paddle or computer keyboard operation
  • Front panel speed, volume controls
  • 4 message memories
  • Type ahead buffer
  • Read again buffer
  • Adjustable Weight and Sidetone
  • Speaker, RFI Proof

Additional information

Weight 1 kg