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Announcements

Filters for the Yaesu FTdx5000

We now offer roofing filters for the Yaesu FTdx5000, shipping from stock. Complete instructions are included online. (Mar 1, 2014)

Filters for the Collins 32S-3

We now offer a filter kit for the Collins 32S-3 is now available and shipping from stock. Complete instructions can be seen at (Oct 1, 2012)

455 kHz IF filters for JRC Radios

We can now supply 455 kHz IF filters for the the following JRC radios: JST-145, JST-245, NRD-345, NRD-515, NRD-525, NRD-535, NRD-535D. (Sept 15, 2012)

HF Triplexer Now Shipping

The HF Triplexer is now available and shipping from stock. The complete instruction manual is available at (Oct 20, 2011)

SSB filters for the Icom-706

We can now supply SSB filters for the Icom IC-706 transceiver. (Jun 1, 2010)

VOX Box for the Kenwood TS-50/60

We now offer a Kenwood TS-50/60 version of the Inrad VOX Box. It is the same great VOX Box as before, but wired for the TS-50/60 radios. (May 10, 2011)

CW Filter for the Kenwood TS-520

The 400 Hz CW filter for the Kenwood TS-520 has been reworked and is now a pin-compatible replacement for the original Kenwood YG-3395C filter. (May 1, 2011)

Kenwood TS-870 Roofing Filter Mod -- Now Shipping!

We now are taking orders for the Kenwood TS-870 Roofing Filter Mod. See the Mods page for details. Delivery is from stock. (Feb 1, 2010)

AM Filter for the Yaesu FT-100

We can now supply AM filters for the Yaesu FT-100 transceiver. This filter is a replacement for the original Yaesu XF-117A filter. (Dec 1, 2009)

1000 Hz CW Filter for FT-817/857/897 and for Collins 75S-3C

International Radio is now offering a wide CW filter (1000 Hz) for the Yaesu FT-817, FT-857, and FT-897 radios. We can also provision this filter for the Collins 75S-3C. (Nov 1, 2009)

AM Filter for the Drake TR-6

We can now supply 6000 Hz AM filters for the Drake TR-6 transceiver. This filter is a replacement for the original Drake filter. (Jul 16, 2009)

Kenwood TS-940 Roofing Filter Mod

After installing a prototype Inrad roofing filter mod in the Kenwood TS-940, we believe there is not enough improvement to make any substantial difference under operating conditions and therefore Inrad will not offer a roofing filter mod for this rig. We will make the 45.050 MHz crystal filter and the Inrad 117 Experimenter Kit available for experimenters who wish to do further work in this area. (Apr 25, 2009)

New Catalog

The International Radio product catalog (3.70 MB) for Spring 2009 is now available online. (Apr 14, 2009)

Kenwood TS-850 Roofing Filter Mod -- Now Shipping!

We now are taking orders for the Kenwood TS-850 Roofing Filter Mod. See the Mods page for details. Delivery is from stock. (Apr 7, 2009)

Plug-in FSK Filter for Ten-Ten Radios

International Radio is now offering a plug-in FSK filter for the Ten-Tec Omni VI and other Ten-Tec radios. This filter is a replacement for the Ten-Tec 216. (Apr 5, 2009)

500 Hz CW Filter for the Elecraft K3

By customer request we have completed a small run of 500 Hz plug-in filters for the Elecraft K3 HF transceiver. (Mar 24, 2009)

Narrow SSB Filter for Elecraft K3

By customer request we have completed a small run of 1500 Hz plug-in filters for the Elecraft K3 HF transceiver. (Feb 19, 2009)

Yaesu FT-847 Roofing Filter

After evaluating the Yaesu FT-847 we have determined that it there is insufficient physcial space within the chassis of the radio to accomodate our roofing filter parts. The 45.705 MHz crystal filter and the Inrad-115 Experimenter Kit are vailable for experimenters who would like to to create an outboard roofing filter mod on their own. (Jan 2, 2009)

VOX Box in Stock

The VOX Box is now in stock and ready to ship. Many thanks for your patience! (Dec 8, 2008)

Kenwood TS-690/450, Kenwood TS-570 Roofing Filter

After evaluating the Kenwood TS-690 we have determined that it is impractical to offer a roofing filter kit for this radio because of a variety of physical/mechanical considerations. The 73.050 MHz crystal filter and the Inrad-117 Experimenter Kit are vailable for experimenters who would like to give it a try on their own. (Nov 17, 2008)

FT-920 Roofing Filter Mod

We are now taking orders for the Yaesu FT-920 Roofing Filter Mod. See the Mods page for details. Delivery is from stock. (May 1, 2008)

New Price List

The International Radio price list for January 2008 is now available online. (Mar 11, 2008)

IC-756Pro/Pro2/Pro3, IC-781 Roofing Filter Mod

We are now taking orders for roofing filter mods for all versions of the Icom IC-756PRO series of radios:

We are also taking orders for the Icom IC-781 Roofing Filter Mod. See the Mods page for details. Delivery is from stock. (Nov 15, 2007)

Plug-in Filters for DZKit Sienna

International Radio is now offering plug-in filters for the new DZKit Sienna HF transceiver kit. Visit the DZ Co. web site for more information about this new kit radio. (Oct 16, 2007)

Yaesu FT-2000 Roofing Filter

After designing and installing a prototype Inrad roofing filter mod for the Yaesu FT-2000, BDR testing at 20 kHz showed no improvement while the IMDDR was only slightly improved by 3 dB at the tone spacing of 5 kHz. We believe this is not enough to make any substantial difference under operating conditions, and therefore Inrad will not offer a roofing filter mod for this radio at this time. We will make the 69.450 MHz crystal filter available for experimenters. (Aug 27, 2007)

Kenwood TS-950 Roofing Filter Mod

We now are taking orders for the Kenwood TS-950 Roofing Filter Mod. This mod works for all version of the Kenwood TS-950 series of radios. See the Mods page for details. Delivery is from stock. (May 23, 2007)  
 
 
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