: We have been using PAN1326B in our product for years and performed extensive RF testing and validation for regulatory approvals worldwide. If we switch to the updated PAN1326C do we have to repeat testing or is it an identical radio with same approvals and just updated ROM? ||| 2017-07-19 13:32:07: We are currently performing regulatory testing to operate in South Korea . Schematics and layout for the PAN1326B module are required. Are you able to provide this documentation?