The present document covers the minimum requirements for general communication for shipborne fixed installations using
a VHF radiotelephone operating in certain frequency bands allocated to the maritime mobile service using either 25 kHz
or 25 kHz and 12,5 kHz channels and associated equipment for DSC - class D. The present document does not cover
requirements for the integrated GNSS receiver providing locating function.
These requirements include the relevant provisions of the ITU Radio Regulations, appendix 18 , Recommendation ITU-R
M.493-14  (where class D is defined), Recommendation ITU-R M.825-3 [i.4] and incorporate the relevant guidelines of
the IMO as detailed in IMO Circular MSC/Circ-803 [i.1].
The present document also specifies technical characteristics, methods of measurement and required test results.
The present document covers the essential requirements of article 3.2 and article 3.3(g) of Directive 2014/53/EU [i.3]
under the conditions identified in annex A.