It is an intelligent system integrated the function of noise reduction, hearing protection and intelligent hearing protection.

FeaturesNatural directional hearing and digital talk-through capabilityPassive Noise Reduction (PNR)Active Noise Reduction(ANR)Amplify surrounding sounds when desired (bionic ear)Automatic adaptive high-level hearing protectionProtection from hazardous impulse and continuous noise withoutcompromising the ability to hear and communicatePrevents temporary and permanent hearing lossNoise protected voice pick-upAutomatic Calibration and leakage controlMonitor and communicate on two radios/intercoms simultaneouslyVOX FunctionWireless PTT FunctionFinger PTTCompatible with all kinds of helmets, gas masks, respirators,Compatibility with a variety of communication systemsSimple to operate, small, lightweightSoftware Programmable

Technical Specifications

Operation Temperature	-30 °C to 50 °C
Storage Temperature	-40 °C to 80 °C
Signal Processing Mode	DSP
PNR+ANR	>30dB
Power Supply Mode	Form Radio or Battery
Waterproof	IP67
Complies with	MIL-STD-810F
Complies with	FCC/IC/CE

Wireless PTT Function

Operation Principle	NFMI
Modulated	2-level CPFSK
Operation Range	60-150cm
Battery Type	CR2050
Battery Operation Time	6 months
Stand-by Current	< 200uA
Operation Current	< 6mA
Low Battery Warning	LED
Waterproof	IP67

QDC SmartEar Intelligent Hearing Protection and Tactical Communication System