Marine walkie-talkies work in the VHF frequency band, have an internationally unified channel group and good waterproof performance. ICOM marine intercoms have a series of products, each model has different features to meet the individual needs of different users. Appearance The IC-M37 has a slim-designed body and large buttons, allowing for easy operation even while wearing gloves. Its design is…

I. IntroductionThe standard maritime ship radio is an essential device for ship communication, operation, and safety management, operating in the VHF (Very High Frequency) band. Observant individuals will notice that this specialized radio typically has three built-in frequency groups: INT (International), USA (United States), and CAN (Canada). These are used by ships in actual work to select specific channels based…

Approval and Compliance Requirements for the Use of Radio EquipmentRadio stations transmit messages wirelessly by modulating voice and various information onto high-frequency carrier signals. Today, they are ubiquitous, with mobile phones being a prime example of radio application. It may not be widely known, but the frequency resources of radio bands in each country are very tight. Each band has…