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What Are The Fire Bone Conduction Headphones?
Jan. 06, 2019
The laryngeal earphones are worn around the neck and sound through the vibration of the throat
Marine VHF Fireproof Explosion-proof Walkie-talkie
Jan. 02, 2019
The MSC.338 (91) adopted by the Ship Hai'an Society on November 30, 2012, the fire-fighting and explosion-proof walkie-talkie used by firefighters on board should be explosion-proof or intrinsically safe.
Technical Characteristics Of Marine Batteries
Dec. 27, 2018
Adapt to long-term floating charge of marine equipment
How To Implement The Requirements For Reducing Air Pollution ...
Dec. 24, 2018
By setting up the ship's air pollutant emission control area (hereinafter referred to as the emission control area), the emission of air pollutants such as sulfur oxides, nitrogen oxides
Does The Lifeboat Walkie Talkie Need A Spare Battery?
Dec. 20, 2018
The lifeboat walkie-talkie is one of the GMDSS communication devices. The color is divided into orange-red and yellow, and the bright colors are conspicuous.
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How to use intercom to call for help in an emergency?
The amateur segment shall call relay stations and maritime SOS channels within 300KM...
What is a forward radio?
A forward radio intercom is to transmit the signal of a certain frequency band directly t...
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