Quality of understanding message in radio communication is very important for operator and one of the effective factors for reaching it is to use proper headset in noisy environment. HDS-030/E headset has been designed and manufactured to proper reject environmental noise passively/actively and as a result increase quality of message understanding in noisy environments. This headset can be connected to various radios and intercommunication systems. For connecting the headset to each device an individual PTT interface (chest set) is considered.