Read More
Seen this product cheaper elsewhere?
Call 0345 2300 599
Latest Software Version - 3.0.0
The TopBytes Morse Trainer is a small, battery-powered CW practice unit designed to help you learn and improve both sending and receiving Morse code – anywhere, without tying up your radio. Plug in your own straight key or paddle via the 3.5 mm socket and practise real-world CW with instant visual and audio feedback.
Developed by Guy at TopBytes and available exclusively from Martin Lynch & Sons, the Morse Trainer combines a clear touchscreen interface with powerful firmware that’s updated regularly based on user feedback.
Key Features
- Standalone CW trainer – no PC or radio required
- Use your own key – 3.5 mm socket for straight key or twin-paddle
- Built-in speaker & 3.5 mm audio out – practise quietly on headphones or with an external speaker
- Adjustable speed – 5–60 WPM with Farnsworth spacing for learners
- Multiple training games – Listen, Random Letter, Send Random String and more
- ELIZA QSO mode – have a “live” CW QSO-style conversation with an interactive bot
- Wi-Fi & web interface – configure everything from your browser
- Over-the-air firmware updates – new features and improvements added regularly
- Right or left-handed paddle support – switchable in software
- All-day battery – internal 18650 Li-ion cell, rechargeable via USB-C
Smarter Morse Practice
The main screen shows decoded characters in a clear green window, with the raw dits and dahs underneath. You see exactly what you sent and where mistakes creep in, making it ideal for self-study and structured practice.
The built-in games include:
- Listen – copy random character strings and reveal the answer to check accuracy
- Random Letter – send the correct character and watch your percentage score climb
- Send Random String – match a target string to progress
- Send Letters – enter your own text and have the trainer play it back in Morse
- ELIZA Interactive Mode – simulate a full CW QSO, exchanging name, QTH, RST, rig, antenna and WX
Flexible Hardware & Audio
- 3.5 mm key input – tip/ring wired for dot/dash paddle or straight key
- Configurable audio – choose tone and octave, set independent volumes for internal buzzer and 3.5 mm output
- Key output or audio output on rear jack – drive LEDs/keying circuits or headphones/speaker, selectable in the menu
- Right/left hand paddle setting – swap sides in software with a single tap
Wi-Fi Control & Web Interface
Setup is simple. On first power-up the Morse Trainer creates its own access point so you can connect from your phone, tablet or PC and enter your home Wi-Fi details. Once on your network, just browse to morsetrainer.local (or its IP address) to access the full web interface.
From the browser you can:
- Adjust WPM, Farnsworth spacing and ELIZA response delay
- Change key type (paddle/straight) and paddle handedness
- Configure audio output and volumes
- Update firmware over the air
- Reboot or factory reset if needed
Always Up To Date
The firmware is under active development, with detailed release notes and frequent enhancements – from new games and localisation, to improved straight-key handling, mDNS/Bonjour support and more. Updates are delivered securely over Wi-Fi, and an emergency recovery mode is available if an update is interrupted.
Power & Portability
- Internal 18650 Li-ion battery – around a day’s typical use per charge
- USB-C charging – keep operating while you charge
- Status LEDs – red while charging, blue when fully charged
- Compact, handheld form factor – ideal for the shack, the sofa or the club room
If you’ve struggled with Morse in the past, or simply want a dedicated CW practice unit that grows with you, the TopBytes Morse Trainer is a powerful, modern tool to get you on the key and keep you improving.
Exclusive to Martin Lynch and Sons
Wi-Fi connectivity allows for over-the-air firmware updates, and recovery options ensure long-term usability.
For more information, you can download the detailed overview of the TopBytes Morse Trainer HERE
Weight 0.216 KG
H=7.5cm
W=10.5cm
L=13cm
Topbytes Morse Trainer V2 – A Smarter Way to Learn Morse Code
The Topbytes Morse Trainer is a compact, British-designed CW training device developed specifically to help amateur radio enthusiasts of all levels improve their Morse code skills. Whether you’re just starting your journey into CW or looking to brush up on your sending and receiving accuracy, the Topbytes Morse Trainer offers an accessible, feature-rich way to learn – all in a unit small enough to slip into your pocket.
This modern take on a Morse tutor is built around a vibrant colour touchscreen interface, rechargeable internal battery, and full support for straight keys and paddles.
Designed and built in the UK, this trainer is ideal for Foundation and Intermediate licence holders who want to build confidence with Morse, as well as experienced operators looking for a practical daily trainer. The unit is also a great resource for clubs, training groups, and instructors thanks to its intuitive setup and range of functions.
Key Features:
-
Clear Colour Touchscreen
Easy-to-navigate menus, real-time feedback, and adjustable settings – all accessible from a bright, modern interface. -
USB-C Charging with Built-In Battery
Charge from any standard USB power source. Take it portable and train wherever you go – no external power required. -
Paddle and Straight Key Support
3.5mm input lets you connect your preferred key, whether you're using a traditional straight key or a twin-lever paddle. -
CW Output via 3.5mm Audio Socket
Output your Morse to an external device or radio, ideal for testing your sending or simulating on-air practice. -
Training Modes & Real-Time Feedback
Includes modes such as random letter practice, send-and-check, receive listening drills, and interactive games. Visual feedback confirms each character, helping to build muscle memory and timing. -
Fully Customisable Settings
Adjust your sending speed (WPM), tone frequency, spacing, and more to suit your learning style. -
Wi-Fi Firmware Updates
Built-in wireless connectivity allows for easy firmware updates and potential feature expansions in the future. -
Compact & Lightweight
Supplied in a sturdy case, the unit is travel-ready and durable, perfect for field use or simply practising away from the shack.
Why Choose the Topbytes Morse Trainer?
Unlike many CW learning tools that rely on outdated designs or software-only solutions, the Topbytes Morse Trainer provides a tactile, hardware-based experience that better replicates real-world keying. By allowing full interaction with a paddle or straight key and offering immediate, visual feedback, users can better develop the coordination, rhythm, and timing that CW demands.
Games and practice modes add variety and engagement, helping learners stay motivated. From learning the alphabet and punctuation to refining your character spacing and stringing together full CQ calls, this unit grows with you. It is equally suited to complete beginners and long-time operators who want to stay sharp.
Shipping & Delivery
We offer UK and international delivery services, including next working day and selected weekend options for eligible orders. Available services, prices and estimated delivery times are displayed at checkout.
Delivery Information
Delivery options depend on the parcel's size, weight, contents and destination. Express and weekend services are subject to availability and cut-off times. Oversized or exceptionally heavy items may require a specialist delivery quotation.
Returns & Cancellations
To arrange a return, please contact ML&S or complete our returns form. You may also exercise your statutory right to cancel by email or another clear statement, without completing the form.
Changed Your Mind?
Under the Consumer Contracts Regulations 2013, most purchases made online or by telephone can be cancelled within 14 days of receipt.
You must notify us of your cancellation within this period and return the goods within a further 14 days.
Please handle all goods with care. Returned items must be in a resaleable condition, complete with their original packaging, and all supplied accessories.
You may inspect goods as you would in a shop. Handling beyond what is necessary to inspect them may result in a lawful deduction for diminished value.
Exceptions
Modified Equipment & Reversal Charges
Additional return conditions may apply to equipment modified at the customer's request, including wideband transmit or receive modifications.
ML&S may charge a reasonable fee to reverse physical modifications and restore the equipment to its original factory specification. Any such charge will be agreed in advance and deducted from your refund.
Custom-Made Cable Assemblies
Coaxial cable assemblies manufactured to a customer's specifications are excluded from the 14-day return policy and are non-refundable unless faulty.
Software & Labour Charges
Labour and modification charges requested by the customer are non-refundable once the work has been completed.
Computer software may only be returned under the 14-day return policy if it remains sealed and unopened.
Return Postage Charges
Customers are responsible for the direct cost of returning unwanted or incorrectly ordered goods, where permitted by law. You may arrange your own suitable return postage or use one of our optional prepaid services.
Standard Parcels
Royal Mail Return Label
£5.95
Per parcel
For eligible standard-sized parcels, subject to Royal Mail restrictions. Free collection included.
Larger Parcels
DPD Return Label
£7.95
Per parcel
For larger or heavier parcels and any shipments with batteries.
Collection Service
DPD Collection
£25.00
Per parcel
Available upon request for eligible addresses, subject to availability.
Prepaid return charges will be confirmed before booking and deducted from your refund.
These prices apply to eligible UK mainland returns. Oversized items, specialist products and returns from other destinations may require a separate quotation. Estimated return costs will be disclosed before purchase.
Faulty or Incorrectly Supplied Goods
Return postage charges do not apply to faulty, damaged or incorrectly supplied goods returned under statutory rights. ML&S will arrange a free return in these circumstances.
Refunds
Refunds are processed without undue delay following receipt and inspection of returned goods, and no later than 14 days after we receive goods returned under statutory cancellation rights.
Refunds will be issued to the original payment method. Any prepaid return postage charges or lawful deductions for diminished value will be itemised.
Warranty Terms & Conditions
New Equipment Warranty
Minimum 2-Year Warranty
All new products supplied by ML&S carry a minimum two-year warranty against manufacturing defects, excluding batteries, which are covered by separate warranty terms.
Some manufacturers provide extended warranties, such as the three-year warranty available on eligible Yaesu equipment. Any additional coverage is subject to the manufacturer's terms and conditions.
Our workshop may assess and repair faulty equipment on site or refer it to the manufacturer or an authorised service centre where necessary.
Warranty exclusions may include batteries, normal wear and tear, accidental damage, misuse and unauthorised modifications, as specified in the applicable warranty terms.
All warranties are provided in addition to your statutory consumer rights against ML&S, which are not limited by the warranty period.
International Returns & Warranty
Unless otherwise stated, ML&S warranty servicing is carried out in the UK. International customers must contact us before returning goods to confirm shipping and customs requirements.
International customers are responsible for return postage unless the goods are faulty and ML&S has been notified within a reasonable time.
ML&S accepts no responsibility for additional charges resulting from incorrectly completed customs documentation. Any additional duties charged to ML&S as a result will be billed to the customer before return of the goods.
Need Help With a Return?
Our team can assist with returns, postage arrangements, modifications and warranty claims.
Nothing in these terms excludes or limits your statutory consumer rights.