Product Name | Digital Wireless Discussing Conference Microphone |
Model NO. | RC-4216C/D, RC-4217C/D |
Power supply | DC4.5V (3 AA batteries, long continuous working time) |
Working currnet | Standby ≤ 110mA, speaking ≤ 180mA |
Voice communication | UHF wireless mode (one-way) |
Frequency range | 640MHz – 690MHz |
Maximum modulation | 60K |
Radiated power | ≤+9dBm |
Frequency deviation | <0.002 |
Reference speaking distance | 10cm-50cm |
Operation temperature | -10℃-40℃ |
Product Name | Digital Wireless Discussing Conference System Main Controller |
Model NO. | RC-4220M |
Carrier band | UHF640MHz – 690MHz |
Modulation mde | FM |
Working effective distance | 60-100 Meters |
Shock mode | PLL phase locking frequency synthesis |
Sensitivity | S/N > 60dB at offset equal to 25kHz and input 6dBv |
Frequency band width | 50MHz |
Maximum deviation | 45 KHz of earth |
S/N | >105dB |
Frequency Response | 45Hz-18KHz 1dB |
Power input | DC12V-15V, 2-3A |
Power consumption | <10W |
Operation temperature | -10℃-40℃ |