本文件规定了配备以下装置的发射器、接收器和收发器的最低要求: 外部天线连接器，用作海岸站，在海上移动服务的VHF频段工作。这 包括:在本地或远程控制下运行的设备；在12.5 kHz或25 kHz信道间隔下运行的设备； -能够模拟语音、数字选择性呼叫（DSC）或两者兼备的设备；以单工、半双工（半双工）和双工模式运行的设备；可能由多个装置组成的设备；可以是单通道或多通道的设备；在共享无线电站点上运行的设备；与其他无线电设备隔离运行的设备。 如果设备不用于DSC操作，则仅适用与非DSC测试相关的条款。

The present document specifies the minimum requirements for transmitters, receivers and transceivers fitted with external antenna connectors, used as coast stations, operating in the VHF band of the maritime mobile service. This includes:equipment operating under local or remote control;equipment operating on 12,5 kHz or 25 kHz channel spacing; - equipment capable of analogue speech, Digital Selective Calling (DSC), or both;equipment operating in Simplex, Semi-Duplex (Half Duplex) and Duplex modes;equipment which may consist of more than one unit;equipment which may be single-channel or multi-channel;equipment operating on shared radio sites;equipment operating in isolation from other radio equipment. Where the equipment is not intended for DSC operation, only those clauses relevant to non-DSC tests are applicable.