Hotline: 028 3863 5373 - info@citytech.vn
The infrared receiver EJ-502IR 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!
Receiver module |
IR-502 |
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) |
200 X 115 X 45 (mm) |
Weight |
750 g |