Certification: GMDSS Radio Operator/Maintainer License (DB)

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45 L Street NE Washington, DC 20554

The DB confers the operating authority of the DO and the DM (and, by extension, it also confers the operating authority of the PG and MP).

A product/equipment certification tests for knowledge about the use of proprietary software or hardware products. This classification is used primarily for computer-related companies such as IBM, CISCO, HP, etc.