Home » Broadband Spiral Broadband Spiral January 17, 2011 0 Comments Frequencies within 400MHz to 20GHz, gain from 2 to 7dBiC across the band and right or left circular polarisation. Jump to Page: Related Articles Broadband Mechanical Phase Shifters to 12 GHz VectorStar™ Broadband ME7828A VNA System You must login or register in order to post a comment. Report Abusive Comment Thank you for helping us to improve our forums. Is this comment offensive? Please tell us why.