Specification :
  UHF true diversity receive, long receiving distance, and never staccato,  never wander.
  Excellent sound quality, accurately show your wonderful voice.
  Simply design to make the system stable and easy to use
  Strong metal casing, it is durable and avoid interference effectively
Product Features:
  UHF500~ 860MHz wave band frequency range depends on the requests of customers
  Modulation system: quartz crystal
  Frequency stability: 10PPM
  Frequency response: 50Hz^ 18KHz
  RF output power: 10mW
  Receiving sensitivity: -100dBm
  Signal-to-noise: 90dB
  T.H.D: d0.5%
  Modulation: 25^ 35KHz
  Output level: 0^ 300mV
  Operate range: 100 meters