Hytera Intrinsically Safe Bone Conduction Headset

Product Type: EBN04-Ex

Product Features:

1) pick up sound through the skull vibration signal from external noise environmental impact, to ensure call clarity;
2) Large PTT, to facilitate the launch strike through the hands, elbows or water gun;
3) skull conductivity components using the arm band structure can be embedded inside the helmet, does not affect a variety of helmet and gas mask to wear;
4) skull conductivity components with large PTT between the quick connector to respond to emergencies fast and easy plug;
5) IP55 dust and waterproof rating (PTT part);
6) ATEX approved.
Applicable industry and occasions: Fire / Ambulance, coal, chemicals, oil / gas, specifically wearing chemical warfare suits designed for the harsh conditions required use of helmets or gas masks.
Adaptable models: PD790 Ex

Speaker Specifications

Sound pressure level: 82 ± 2dB @ 1KHZ (Single part, 0.2w/0.5m);
Rated power: 200mW, the maximum power: 500mW;
Distortion (typical): <5% at 1KHz;
Speaker Impedance: 32Ω ± 15% @ 1KHZ

Microphone Specifications

Sensitivity: 45dB below 1vot / G acceleration _AT_ 1kHz;
Impedance: 3900 ohm @ 1KHz

Large PTT specifications

Weight: 120g (without clip);
Dimensions: 76 (diameter) * 17 (thickness) mm;
Dustproof and waterproof: IP55

Operating temperature: -25 to 85 ℃