Check out the Saramonic UwMic15 RX+TX 16-Channel Digital UHF Wireless Lavalier Microphone System's Key Features
(Saramonic UWMIC15V2)

• Reliable, broadcast-quality audio
• Wireless transmitter with lavalier microphone
• UHF Frequency Range: 555 MHz - 579 MHz; 16 selectable channels
• Operating Range: Over 100m in open areas or 60m with obstacles
• Easy-to-read LCD displays
  
  

OVERVIEW

The Saramonic UWMIC15 UHF Wireless Lavalier Microphone System provides stable, interference free audio in portable, compact and low cost package. This system is a perfect fit for DSLR videography, field recording and interviews, broadcast TV, ENG, providing dependable audio broadcasting and recording.
The system includes a camera-mountable, wireless receiver, wireless body-pack transmitter and clip-on lavalier mic.

Receiver
The Saramonic UwMic15-RX15 is a camera-mountable integrated wireless receiver. It features an easy-to-read LCD display and infrared synchronization between transmitter and receiver.

Equipped with an auto-scan function, the RX15 can automatically search for an available transmission frequency. The headphone jack enables real-time monitoring or the receiver via headphones, especially useful for cameras that lack a monitor output.

Transmitter
This compact transmitter employs a crystal-controlled PLL synthesizer. It is equipped with a muting function and a BMP-type mic input. The RF power output can be switched among high, middle and low.