We design and manufacture low power high pass filters from 0.001 GHz to 1GHz. These filters are designed for use in any power application ranging from 10 Watts or less and has an excellent stopband rejection of 50dB min.
The table below shows various highpass filter models and its cut off frequencies many of which may be customized according to your specifications. Package modifications are also available. Surface mount versions are often available for the SMA packages.