All speakers get dirty after long hours of work. Especially in metal processing plants, manufacturing plants, and other places covered with metal materials. But we know, the aperture of the speaker is very small, while preventing big granule damage to the speaker, also intensified the difficulty of cleanness. One of our customers reported to us that his walkie-talkie speakers were covered in metal chips, which seriously affected the sound quality and radio life, so he asked if there was a radio that could solve this problem. If you have this problem, the RT54 is definitely the best choice. The first look and the important info can be found in the photo. So, let’s start to learn more about the RT54. …
