Hey, this is Ameerah Mason from UK. I am a scientist. Recently, I have researched on radio communication.The main thing during using 2-way radios is the clarity of sound. Everyone wants a clear sound for understanding the message or information. And for getting a good quality of sound, a high-quality set of earpiece is required which should be made up of advanced technology. DP1400 Radio is a top-quality product that offers very striking features so that you can receive the message without any noise.