A keyer (combined with a "paddle") makes sending Morse code easier than the traditional "straight key" which most people would imagine is used. Instead of having to precisely time the dits, dahs and the spaces in between a paddle/keyer combination does a lot of the timing for you, using a speed setting of your choice.

Morse Code Telegraph Key, Professional Morse Code CW Telegraph Straight Key with Buzzer & Voice Prompts, Morse Code Experiment Kit for Physical Teaching, Morse Code Communication

Manufacturer of Quality Morse Code Paddles, Morse Code Keys, Practice Oscillators, Keyers, Cables and Accessories. Made in The USA by FCC Licensed Amateur Radio Operators.

A keyer may also have an oscillator and speaker built in. The sound produced by this is called the "sidetone" and a keyer with sidetone may be used for Morse practice without connecting to or activating a radio transmitter. Modern keyers all support "iambic" mode when …

Enjoy smooth, responsive CW communication with top-quality code keys and keyer paddles. We offer straight keys, bugs, single paddles, and Iambic paddles from leading brands like Bencher and Vibroplex.

Idiom Press/Ham Supply Logikit CMOS 4 Morse Code Keyer K1EL PaddleStick CW Keyer with Base Kit AEA KT-1 microHAM CW Keyer (USB) AEA MM-3 Morse Machine MFJ-495 MEMORY KEYER K1EL WKUSB-SMT keyer Idiom Press/Ham Supply Logikey K-3 Keyer G4ZLP CW Interface K1EL Morse Tutor Touch Keyer K1EL K42 CW Keyboard TICK Series of Keyer ICs …

The Ultra PicoKeyer complete kit contains everything you need to build a stand-alone Morse code memory keyer and code practice oscillator with speed control. You can put it in the nice looking, pre-drilled plastic box (included), build it into your next homebrew rig, or even retrofit it into your favorite commercial rig!

Ham Supply / Idiom Press provides Amateur Radio Morse Code keyers, Hy-Gain and Yaesu computerized rotor control boards, LED lighting, filters, books and more.

Morse Code Keys & Accessories : Bencher: Hand Keys: Paddles: MFJ: MFJ-407E Iambic Keyer: MFJ-418 Morse Tutor: MFJ-461 Morse Code Reader: MFJ-464 Morse Code Reader/Keyer: MFJ-495 Memory Keyer: MFJ-550 Morse Economy Key: MFJ-553 Morse Economy Key on Wood Stand: MFJ-557 Code Practice Oscillator & Key: MFJ-5166 Paddle to Keyer Cable: Philmore:

Morse keys and keyers are mainly used for the operation of radio and communication systems, particularly in the amateur radio (Ham Radio) domain. They are used to send and receive Morse code, which is then used for transmitting messages and data.