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The KF5INZ “EASY DIGI” circuit board assembly
Please note: We now offer this assembled board with a USB to RS-232 Adapter which has been tested
to work with Windows XP, and Vista, complete with drivers at a very reasonable cost.
Please see our other listings for details.
NOTE: We have had to add another vendor for the transformers. Works exactly the same, just a little different physically. You may receive either version depending on availability.
NOT a kit, but a FULLY ASSEMBLED AND TESTED unit ready to hook up to your radio and computer!
Please review our response - we've soldover 1200of these little guys with great acceptance by all who have purchased. Units have been sold to U.S.A., United Kingdom, Canada, Australia, France, Italy,and Brazil.
No, we didn’t re-invent the wheel, we just made a convenient, single board, isolated, digital interface that works for almost all of the digital modes on HF and VHF/UHF. Works with DIGIPAN, FLDIGI, MTTY, MSSTV, HRD/DM-780 and most all other sound card programs! Work PSK-31, PSK-63, RTTY, SSTV, NBEMS, plus many other modes on your HF or VHF/UHF rig. Please note that the RTTY mode is RTTY(AFSK) as produced by MTTY software.
This interface will NOT directly drive any type of printer, it simply interfaces your radio to your computer with isolation. All operating modes need to be sound card based.
Nothing new about this technology, it consists of two 600 ohm line transformers for audio input and output from your pc to your transceiver, and an opto-coupled push to talk circuit that works off of an RS-232 port on your computer.
- Transformer coupled audio eliminates ground loops and AC hum on your signal
- Opto Coupled push to talk circuit also eliminates ground loops and false triggering of your PTT lines.
- Very small size, only 2 1/16” x 1 3/8” x .625” high, can be incorporated inside of many radios, with only your RS-232 cable coming outside of the radio.
- Weighs less than 3 ounces
- High quality FR-4 double sided, solder masked, silk screened Printed Circuit Board
- Compatible with most modern ham radio transceivers.
These interfaces have been tested onthe following radios:
Kenwood: TM-271, TM-621, TM721A, TR-7400, TR-7850, TR-7950, TS-120, TS-130, TS-440, TS-450, TS-480SAT, TS-530, TS-820S, TS-870, TS-930, TS-50
ICOM: IC-208H, IC-706, IC706MKIIG, IC-746 PRO, IC-781, IC-2100H, IC-2200H, IC-2820H
YAESU: FT-817, ft-747, FT-857, FT-2800M, FT-2000
COBRA 145GTL-DX (10 METER RADIO)
and others. If your radio is not listed here, you probably can use this interface with it. Please send us an email and tell us what radio you want to use. We will respond within 24 - 48 hours.
Simply hook up per the enclosed wiring diagram and load your software, configure your com port, turn on the radio and have fun on your favorite digital mode!
Priced at $15.95with $2.00 shipping, a value that’s hard to beat.
Returns are accepted and will be refunded only after the buyer has returned the unit pre-paid to us and we have inspected it for damages and/or modifications. Units found to be damaged or modified will not be refunded. If you want it back if we determine it is not refundable, the $2.00 shipping charge applies for U.S. addresses. Applicable rates apply for foreign shipping.
We are not responsible for wiring errors or damage to your equipment should you wire it up wrong.
We will be glad to help you work through installation.
Unit comes with schematic wiring diagram and instructions.
Please do not leave negative response before contacting us for help on your installation.
We have 20 of these interfaces installed among Charro Radio Club members and all work very well.
Here is some recent response:
Excellent board, fair price, prompt shipping. I am QRV PSK31, etc. 73!
Perfect A+ 5min to set up and brilliant results :)
Item as described, prompt shipment, would use this seller again.
GREAT SOUND ADAPTER! THANKS!
very neat and well built, arrived within 5 days of order...brilliant service!!
A+ Dealer, Shipped Fast, Good Communications, Would Buy Again, YOU should 2
item as listed, well made, would use again.
Great seller and product! Highly recommended!
Interface works well, very fast shipping, thank you!
excellent product-surprised at how small it was
Perfect for digital modes, many thanks A+++++
Neat little item works great
Very fast delivery, well packed, excellent sound card I/F, many thanks.
I got EXACTLY what I needed, SUPERFAST delivery.. what more could one ask for?!?
ANOTHER UNIT ON THE AIR... NO PROBLEMS FROM BOX TO ON AIR 10 MINUTES
Best deal anywhere on sound card interface works very well no issues tnx n3gty
Working well no issues mounted in my project box on air in 30 after open pkg
"Well you might have to put me on a commission. The interfaces are far better Than MFJ products or the Signallink units.
I get on our local digital net and I get great reports on data quality, so I let everyone know what I am using As an interface and
you get another unit shipped."