Feature

l        Microphone and speaker is

built-in to one ear piece.

l         Isolator ring blocks microphone

from catching receiver sound.

l        Duplex and Simplex mode.

Application

l         Communication wearing

in hazardous situation

l        Extremely noisy environment

communication


Specifications

Bone conduction microphone (Electret type)

Rated Output Impedance

2.2K @ 5V DC

Frequency Range

200Hz ` 3000Hz

Output Level

-13dB +/-4.5dB @1KHz (0dB=1V/0.5G)

Receiver (Magnetic type)

Impedance

400+/-30% @1KHz

Frequency Range

100Hz ` 5000Hz

Output Level

104dB+/-4.5dB@1KHz (0dB=1N/1mW)

Power consumption

1.2mA max.

Weight

7.5g

Bone conductive In-ear Bone Conductive microphone and receiver

ETP-EM20