Maono au-wm730 wireless lapel microphone is less likely to subject to interference from local radio stations than vhf mic. Includes everything you need for a microphone system in a compact box.
One lavalier microphone, transmitter, receiver, windscreen and batteries. More reliable signal in uhf(ultra-high-frequency) band.
The valid distance is around 100m. Specifications: uhf wireless microphone polar pattern: omni-directional channel: 48 channels working distance: 100 meters headphone output: 40mw frequency range: 40hz-18khz communication frequency: 570.0mhz-593.5mhz working hours: 6h signal to noise ratio: ≥70db battery model: 2 aa batteries consists of one transmitter and one receiver uhf transmission with 48uhf channels ideal for eng/efp, dslr video broadcast-quality sound powered by one 2 x aa batteries for both transmitter and receiver