The 602T microphone is EMI and RFI protected to ensure that sound quality is not compromised and to allow for clear communications. The microphone features a durable design that provides consistent performance over time. The compact single-stage transistor amplifier is specially stabilized and will operate uniformly from -20 to +55°C. The 602T microphone is lightweight and compact for easy transport and use. The 602T microphone is approved for aviation use under FAA TSO C58A.