MFJ-403. MFJ CW Travel Keyer without Paddles.
This Travel Keyer is a full-featured CW keyer with a built-in Iambic paddle.
Its ultra-compact size is perfect for traveling or for home use with QRP or "big" rigs.
Throw it in your briefcase alone with your MFJ QRPCub or another favorite rig on your next trip.
Send Beautiful CW with no effort.
Self-completing dots and dashes and dot-dash memory is very forgiving of timing mistakes.
It lets you perfectly form dots, dashes, and spaces effortlessly for accurate professional-sounding CW.
Adjust Speed on the Fly.
A thumb wheel control lets you adjust speed on the fly by 3 to 65 words per minute.
Dot-dash weight is adjustable from 25% to 75% to make your signal distinctive in a pile-up. It also lets you compensate for transmitter turn-on delay.
Sidetone with Speaker.
A built-in sidetone with an LM386 audio amplifier, speaker, and volume control makes monitoring your sending easy.
The sidetone pitch is adjustable from 300 to 1000 Hz.
you can select a keyer mode to suit you -- Iambic mode A or B, fully automatic or semi-auto "bug" mode.
If you're left-handed or to adjust your paddle wiring, you can reverse the sending a single letter you can completely control your keyer.
Effective RF proofing lets your MFJ-403 work in any strong RF environment.
Positive Keying Output.
Its positive keying FET output lets you key nearly all modern transceivers and transmitters.
You\'ll think your battery will last forever -- your keyer goes to sleep during periods of inactivity.
Uses a readily available 9-volt battery.
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