Product Line

EJ-202IR
EJ-202IR Dual-channel IR Microphone System

EJ-202IR

Infrared Microphone System

Description
The infrared receiver EJ-202IR is featured in 2 infrared microphone channels and allowing to be used at simultaneously or unlimited microphone to be operated at school classrooms without interferences or unsecured use in adjacent rooms. No worry for channel selection, unstable frequency interferences or installations!
Specification
  • Features
  • Specification
  • Transmitters
  • Chargers
  • Accessories
  • Download
  • Worldwide license free band
  • Support 2 microphone channels
  • Confidential and eavesdropping free
  • Various sensors for option to maximize room signal coverage
  • No interference with each other IR systems installed in adjacent rooms
  • Economic design for budgetary project
Specifications
EJ-202IR
Infrared ray wavelength
850 nm
Carrier frequency
2.3 MHz (Ch. A); 2.8 MHz (Ch. B)
Receiving system
TRF (Tuned Radio Frequency)
Maximum deviation
50 kHz, with level limiting
Tone squelch frequency
32.768 kHz
Dynamic range
110 dB
T.H.D
< 1 %
Frequency response
70 Hz ~ 10 kHz
Ambient temperature
- 10 ℃ ~ + 50 ℃
Infrared sensor inputs
2 (F type connector)
Reception range
Approx. 20m (at Hi) / 15m (at Low); line-of sight
Dimensions(D x W x H)
230 × 140 × 47 (mm)
Weight
420 g

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