wireless microphone
System requirements: VHF segment: directing circuit
Audio frequency response: 80-12KHz
Dynamic range: = 60dB
System distortion ≤ 1%
Signal-to-noise ratio: ≥ 60dB
Use the distance: Appr.50m
Operating temperature range: 5-45
The carrier frequency range: 510-680 MHz
Transmitters:
Frequency stability:±0.005%
Carrier output power: ≤ 30mW
Stray radiation:>40dB
Modulation: FM
Maximum modulation: ±177; 75KHz
Pickups: (moving coil) (LWM-6188/C/D) (capacitive) (LWM-6188/C)
Preemphasis: 50 μ S
Power supply: 9V Batt
Power consumption:<30mA
Volume:37X 250mm(HAND) 90X60X25mm(NECK)
Weight:Appr210g(No Batt)(HAND) Appr65g(No Batt)(NECK)
Receiver
Receiver sensitivity:<2μV
Image Rejection:>40dB
To add:50μS
Audio output impedance:600Ω
Audio Output Level:0-0.5V
Power supply:AC220-240V 50/60Hz
Power consumption:1W