True diversity   single channel wireless microphone system PA-1H:1X receiver,1X bodypack,1X headset PA-1T:1X receiver,1X bodypack, 1X lavalier mic   System Frequency range:651.000MHz – 697.000MHz Channels:164CH Frequency space:250KHz Working distance:≈100M Frequency width: 46MHz Frequency oscillation mode:PLL module locked loop design Frequency response:50Hz-18KHz Receiver S/N Ratio: >60dB Frequency stability:±10ppm Receiving: Double superheterodyne Diversity:True diversity Receiving sensitivity:≥-100dBm Modulation:FM Power supply: 12V-2A DC Output connection:2 XLR Balanced Socket+Unbalanced TRS 6.3mm Socket Communication port:RS485 Bodypack transmitter Frequency range:651.000MHz – 697.000MHz Channels:164CH Frequency space:250KHz Working distance:≈100M Frequency width: 46MHz Frequency oscillation mode:PLL module locked loop design Power: ≤30mW Transmition: CPU controlled carrier wave & pilot identification Frequency stability:±10ppm Display:TFT screen Battery: AA size x2 Pcs Headset/Lavalier microphone: Condenser