Dual-channel dual-antenna receiving signal design Uhf frequency band transmission signal, the frequency range is between 510-690MHz Both the receiver and transmitter are equipped with liquid crystal display, so the working status is clear at a glance The rear of the receiver is equipped with 2 rubber antennas to improve the received signal and enhance the high-quality appearance A wide range of applications, including meetings, speeches, karaoke performances, and lecture lights Receiver:Power supply: DC 12V-18V Function display mode: LCD Frequency: 510-690MHz Frequency stability: 10ppm Sensitivity: 13dBuV Leading channel suppression: 65dB Image frequency suppression: 75dB Audio output: 200mW Output impedance: XLR connector: 200Ω 1/4 connector: 1KΩ Signal to noise ratio: 100dB Distortion: Less than 0.1% Frequency response: 50Hz-15KHz Receiving distance: 100m launcher: Frequency: 510-690MHz Frequency stability: 10ppm Transmitting power: 10mW Launch distance: 100m Harmonic suppression: 65dB or more Modulation method: FM Modulation degree: 75K Working voltage: 3V Working current: 120mA Function display mode: LCD (The product printed words depending on the batch, but this does not affect use) Voltage: AC100-240V Plug Type:EU Plug,it applies to Indonesia, Germany, France, Spain, Italy and so on. Colour:As Shown Material:ABS Package Contents: 1 x Receiver 2 x Microphone Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.