EJ-202IR
Infrared Microphone System
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!
Features
- 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
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 |
Transmitters
Accessories
![]() HDC-502 Dual-slot Charger |
![]() HDC-503 Dual-slot Charger |
Sensors
![]() IRS-20 Infrared Sensor |
![]() IRS-30 Infrared Sensor |