INRAD has supplied aftermarket and OEM crystal filters for Amateur Radio transceivers and shortwave radio receivers with some 250 different models available for equipment dating from the 1950's to the present day since our beginning offering Yaesu filters as Fox-Tango International way back in the 1970's. 

INRAD presently also serves as the OEM roofing filter supplier for the popular Elecraft K3/K3S series of HF transceivers. 

In the 21st century, INRAD has evolved from only a filter company into a general supplier and manufacturer of various goods for the active Amateur Radio operator. 

For the INRAD microphone and accessories page click the microphone picture at the top of this page.

For the INRAD coaxial cable page click the cable picture at the top of this page. 

NEW!  INRAD Antenna Disconnect Actuator.  Automatically ground your antenna, disconnected from the station every time you turn the DC power supply off.  Never forget to take the cables loose - do it automatically.

If you are looking for the INRAD line of crystal and mechanical filters and transceiver modification kits, visit our secondary INRAD site at