MR-1039 Wireless Mic, wireless microphone, handheld microphone. This is Professional microphone manufacturer.
System indicators
Audio range: 620-950MHz
Modulation: wideband FM
Available bandwidth: 25MHz
Channels: Infrared automatic frequency 100 channel
Frequency Stability: ± 0.005%
Dynamic Range: > 110dB
Peak frequency deviation: ± 45KHz
Audio response: 60HZ-18KHZ (± 3dB)
Integrated SNR: > 105Db
General Distortion: < 0.5%
Receiver Specifications:
Receiver mode: Second-conversion superheterodyne
IF Frequency: First IF: 110MHZ, the second IF 10.7MHZ
Wireless Interface: BNC Block
Sensitivity: 12dB (80dBS / N
Squelch Threshold: Less 0-40 dB
Spurious Rejection: > 80 dB
Audio Output: Unbalanced: +4 dB (1.25V) / 5K ohm
Balanced: +10 dB (2.5V) / 600 ohms
Supply voltage: DC11-16V (rated 12V)
Current: single receiver, less than 200mA, dual receiver, less than 350mA
Transmitter indicator
Output power: 10mW/3mW (HI / LO conversion)
Spurious Rejection: -60dB
Power: AA * 2
Current: < 110MA (LF) < 80WA (LF)
Use of time (alkaline batteries
): About 8 hours when high-power transmitter
About 12 hours when low power