External Wireless Lavalier Microphone

Product information:
Wireless frequency range: 638 - 694 MHz
Wireless transmission power: ≤ 10MW
Modulation mode: F3E
Signal-to-noise ratio:>90dB
Audio frequency response: 30Hz - 18KHz
Number of channels: 100
Frequency control: PLL synthesizer
Reference use distance: 100 meters (open land)
Size: 29.5x25x10.5cm

Packing list:
Microphone X1PCS