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Order Information

Description Price excluding postage Postage Order
USB interface USB interface with genuine FTDI chip, including audio cable (3.5 mm connectors) and USB cable EUR 47.50 EUR 10.00 See below
USB interface and enclosure USB interface, matching enclosure with genuine FTDI chip, including audio cable (3.5 mm connectors) and USB cable EUR 52.50 EUR 10.00 See below
4-level 4 level interface, with a 9-pin serial cable and an audio cable (3.5 mm connectors). EUR 54.95 EUR 12.50 See below
scanner Discriminator output. European Union only. EUR 20.00* From EUR 15.50 (0-2 kg) Contact

*  Special offer: EUR 10.00 if your device is not featured on my site yet.

Interfaces - Status March 2024: due to a stay abroad, interfaces ordered will be shipped after 18 March

You can use the 'Buy now' buttons to order a single interface. To order more than one interface, or to get additional information, please contact me. I accept PayPal, Credit Card, bank transfer and cash. To estimate the price in your local currency, you can use this currency converter.

I ship worldwide by PostNL Parcel without Track & Trace. Your purchase is covered by PayPal's Buyer Protection. If required, Registered Mail with tracking is possible at cost [Zone EUR 1/EUR2 EUR 12.55/14.55, rest of the world EUR 19.30].

Interfaces are usually built over the weekend and will dispatch on Monday after your payment. I will email a confirmation on the shipping day. Typical transfer times are 3-5 work days for Europe and 5-10 work days outside Europe. This excludes possible delays at Customs outside the EU.

You may have to pay customs duty and tax if you live outside the European Union. Based on customer feedback from Australia, Canada and the United States, this rarely happens in these countries.

All interfaces are tested extensively before shipping. They come with a two year warranty (under normal use and conditions).

Discriminator Output

If you don't want to do it yourself and you can't find someone qualified in your area, I can modify your scanner with a discriminator output. Upon appointment, you can send your scanner to me, properly packed. I will make the modification and send your scanner back (Insured and Signed For), usually within 5 work days. This service is only available for inhabitants of the European Union - no customs duties involved.


In some countries it is illegal to decode radio transmissions. It is up to the purchaser to decide if the products on this website are legal to purchase and use in their country, state or territory. Discriminator.nl accepts no responsibility or liability for illegal use, nor for any damage or loss that results from use of these products, nor for damage or loss that results from connecting these devices to a scanner and/or a computer.

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