Draft Details
The present document states the minimum requirements for Man Overboard (MOB) devices using Digital Selective
Calling (DSC) Class M, AMRD Group A as defined in Annex 1 of Recommendation ITU-R M.2135-1 [i.1]. The present
document also defines the requirements for equipment that uses DSC alerting and signalling in the maritime mobile
bands and particularly the GMDSS distress and safety channels. Such equipment is not intended to provide any
subsequent communications or telephony facilities.
The present document covers the channel access rules and technical requirements applicable to these devices.
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