A microprocessor controlled keyer that provides iambic key operation.
The MFJ-401D Econo Keyer II is a microprocessor controlled keyer that provides iambic key operation and dot-and-dash memory to make sending perfect code easier. It has tunable code speed, code weight, and sidetone frequency; it supports both direct and grid-block keying outputs. You also get to choose between Iambic Type "A" and Type "B" keying.
* 8 - 50WPM * Built-in sidetone * Plug in any paddle, such as the MFJ-564 * Adjustable weight control * Supply Int. 9V or Ext. 5-9V DC at 300mA * Size 95 x 50 x 95mm * Weight 300g