Evaluating Permissive Change Compliance Paths for Potted RF Transmitter Modules
Adding potting compound to an unpotted RF module demands Class II permissive change re-testing if dielectric loading increases radiated spurious emissions.
MIC Giteki Modification
Meaning
Regulatory updates are submitted to the Japanese Ministry of Internal Affairs and Communications (MIC) to register changes made to a certified radio module. Conducting a MIC giteki modification ensures that any hardware or firmware adjustments made to the device remain compliant with Japanese radio law. This process stops applying if the transmitter is modified to operate on frequencies that are not covered under the original MIC certification.
Technical Amendment
Certification records must be updated when minor circuit changes are made to a device that has already been awarded the Giteki mark. The MIC giteki modification process requires the submission of a detailed technical explanation along with supporting test data showing that the device’s RF performance is unaltered. This prevents the need to obtain a new registration number and allows the manufacturer to retain their existing market access.
It maintains the trace of compliance across the product’s lifecycle.
Emissions Verification
Radiated and conducted measurements must confirm that the frequency stability and spurious output remain within Japanese legal limits. These limits are among the strictest in the world and require precise measurements.
Certification Validity
Failure to register design revisions with the certified body can invalidate the Giteki mark for the entire batch. This risk is managed by maintaining close communication with the regulatory agent.