Welcome to International Radio
Supplier of custom designed, high performance
quartz crystal filters for communications
receivers and transceivers...and more!
Click on the below headlines to see our latest announcements:
- The book Managing Interstation Interference, written by former INRAD owner George Cutsogeorge W2VJN is now available as a free download.[May 30, 2021]
- Closeout pricing on TS-850, TS-870, TS-930, TS-950, IC-756Pro, IC-756Pro2, IC-756Pro3, IC-781 roofing filter kits. [April 22, 2020]
- Closeout pricing on a few filter models for some 1970's-era Heathkit, Icom, Yaesu radios [November 3, 2019]
- New from INRAD: Model DCA2 Antenna Disconnect Actuator. Now available in a 2 radio / 2 feedline version. [March 6, 2019]
- New from INRAD: the W1 HEADSET! In stock and SHIPPING NOW! [October 1, 2018]
- New from INRAD: the "DMS" Desk Microphone System. See the review in January 2018 QST! [December 7, 2017]
- New from INRAD: Model DCA Antenna Disconnect Actuator. Protect that expensive radio! [June 1, 2017]
- New from INRAD at Dayton Hamvention: Complete line of desk microphones for Amateur Radio [May 8, 2017]
- New: Receive-only antenna modification kit for Icom IC-7300 transceiver, model RX7300 [Feb 21, 2017]
- Vibroplex, parent company of INRAD, to distribute 4O3A Signature products in USA / Canada [Jan 23, 2017]
- New products coming for 2017 release from INRAD [Nov 16, 2016]
- 455 kHz Collins Mechanical Filters for AOR, Collins, Ten-Tec, Yaesu stock "as available" only [Nov 2, 2016]
- Roofing Filters for Yaesu FTdx5000 [Mar 1, 2014]
- Filters for the Collins 32S-3 [Oct 1, 2012]
- 455 kHz IF filters for JRC Radios [Sept 15, 2012]
- HF Triplexer Now Shipping [Oct 20, 2011]
- SSB filters for the Icom-706 [Jun 1, 2011]
- VOX Box for the Kenwood TS-50/60 [May 10, 2011]
- CW Filter for the Kenwood TS-520 [May 1, 2011]
- Kenwood TS-870 Roofing Filter Mod -- Now Shipping [Feb 1, 2010]
- AM Filter for the Yaesu FT-100 [Dec 1, 2009]
- 1000 Hz CW Filter for FT-817/857/897 and for Collins 75S-3C [Nov 1, 2009]
- AM Filter for the Drake TR-6 [Jul 16, 2009]
- TS-940 Roofing Filter Mod (no mod) [Apr 25, 2009]
- TS-850 Roofing Filter Mod -- Now Shipping! [Apr 7, 2009]
- Plug-in FSK Filter for Ten-Tec Radios [Apr 6, 2009]
- 500 Hz CW Filter for the Elecraft K3 [Mar 24, 2009]
- FT-847 Roofing Filter Mod (no mod) [Jan 2, 2009]
- Kenwood TS-690/450, TS-570 Roofing Filter (no mod) [Nov 17, 2008]
- Plug-in Filters for Elecraft K3 [Oct 30, 2008]
- FT-920 Roofing Filter Mod [May 01, 2008]
- IC-756Pro/Pro2/Pro3, IC-781 Roofing Filter Mods [Nov 15, 2007]
- Plug-in Filters for DZKit Sienna [Oct 16, 2007]
- New Web Site [Oct 10, 2007]
- FT-2000 Roofing Filter (no mod) [Aug 27, 2007]
- TS-950 Roofing Filter Mod [May 23, 2007]
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