FreeFlight Systems Introduces 5G Tolerant Radar Altimeter Upgrade for Existing Customers

IRVING, TX- FreeFlight Systems, a NextGen aviation leader specializing in avionics design, development and manufacturing, announced the launch of the RA-4500 Mark II (MK II) Radar Altimeter (RADALT) as an upgrade path level for FreeFlight Systems RA-4000 and RA-4500 customers. The RA-4500 MK II upgrades existing RA-4000 and RA-4500 installations with a robust 5G mitigation solution, reports AviationPros. Continue reading the original article.

Military and aerospace electronics takes:

March 10, 2022 – With the Federal Communications Commission’s (FCC) approval to use previously reserved radio frequency (RF) spectrum in the lower C-band to support the deployment of 5G systems, many RADALTs currently in service, including the RA-4000 and RA-4500, were found to be susceptible to incorrect altitude readings due to 5G C-band interference.

In recent tests, many RADALTs currently in service from various manufacturers, including the RA-4000 and RA-4500 from FreeFlight Systems, have been found to be vulnerable to strong C-band 5G RF interference. While the new TERRAIN RA-series FreeFlight Systems 5500 and RA-6500 were designed to mitigate 5G C-band interference, RADALT’s previous RA-4000 and RA-4500 were designed and certified between 2008 and 2009 before the effects of 5G interference were known . .

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Jamie Whitney, Associate Editor
Smart Aerospace

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