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The LDG AT-100 Pro is the next step in the evolution of the automatic tuner. This desktop tuner covers all frequencies from 1.8-54 MHz, and will automatically match your antenna in no time.
This unit has 2 antenna sockets making ideal for use with radios like FT-897/857/IC-7000/IC-706 as it solves the HF/6m antenna problem. When used with a 6/2 & 70cm antenna and the MX-62 you will still have an HF socket free.
Please note for the FTDX-10 the connecting cable will connect to the LIn socket on the back of the radio
- Accessories
- View PDF
- LDG Autotuner Comparison
- What LDG Tuner is right for me?
The LDG AT-100Pro is the next step in the evolution of the automatic tuners. This desktop tuner covers all frequencies from 1.8 54 MHz, and will automatically match your antenna in no time.
It features a two-position antenna switch, allowing you to switch instantly between two antennas. The AT-100Pro requires just 1 watt for operation, but will handle up to 125 watts, making it suitable for everything from QRP to a typical 100 watt transceiver.
The AT-100Pro includes over 2,000 memories for each antenna, automatically storing tuning configurations for each frequency and band as you use them. Frequency sensing circuitry lets the AT-100Pro "know" your operating band and frequency. Whenever you transmit on or near a frequency you've used before, the AT-100Pro can retune from memory almost instantly.
Rugged and easy-to-read LED bargraphs show power and SWR, and a Function key on the front panel allows you to access data like mode and status. The AT-100Pro uses latching relays which retain the tuned configuration indefinitely even when powered down; current draw when not tuning is effectively zero.
The AT-100Pro uses LDG's state-of-the-art processor-controlled Switched-L tuning network. It will match dipoles, verticals, inverted-Vees or virtually any coax-fed antenna. With an optional LDG balun, you can also use longwires or antennas fed with ladder-line.
Control from the front panel is simple and straightforward; just press Tune while transmitting a carrier, and the AT-100Pro will begin an automatic tuning cycle. For more integrated operation, optional interfaces are available for most Icom, Kenwood, Yaesu and Alinco transceivers. With the interface, a single button-press transmits a carrier, executes a tuning cycle and returns the radio to its original power and mode
- 1 to 125 watt power range (SSB and CW), 100W on 6M.
- Easy to read LED bargraph display for RF power, SWR and status.
- Over 4200 memories for instantaneous band changing.
- Two position antenna switch. Separate memories for each antenna.
- Tuning time: 0.5 to 6 seconds full tune, 0.2 sec memory.
- Selectable user parameters: Auto/Semi, 125/12.5 watt scale, power save and more.
- 1.8 to 54.0 MHz coverage. Built-in frequency sensor.
- Tunes 6 to 1000 ohm loads (16 to 150 on 6M), 6 to 4000 ohms with optional 4:1 Balun.
- For Dipoles, Verticals, Vs, Beams or and Coax Fed Antenna.
- Optional external Balun allows tuning of random length, long wire or ladder line fed antennas.
- Optional interfaces for Icom, Alinco, Kenwood and Yaesu available.
- Power requirements: 11 to 16 volts DC at 500 mA Max.
- Small Size Enclosure: 7.5" x 5.5" x 2.0". Weight: 1.5 pounds.
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.