pll oscillator wireless audio guide system

{"cid":"91171271","title":"PLL Oscillator Wireless Audio Guide System Distance 200m 158 Channel 008A","imgUrl":"https:\/\/img.ismap.com\/nimg\/89\/f4\/f5825d2b653e29d1e8eab43190b4-200x200-1.jpg","attrs":{"Price":"negotiation","Brand Name":"YingMi","Model Number":"008A","Minimum Order Quantity":"1pcs","Delivery Time":"3-7 days","Certification":"CE,RoHs","Place of Origin":"China","Payment Terms":"L\/C, T\/T, Western Union, MoneyGram","Supply Ability":"10000pcs for one month","Packaging Details":"packed in carton box","Working frequency":"796-821MHz","Channel spacing":"120KHz, 200KHz, 350KHz, etc","Working voltage":"3.0-5.0VDC","Frequency response":"20Hz-18KHz","Working distance":">250m","Dimensions":"65mm\u00d750mm\u00d717mm","Weight":"50G (including lithium battery)","Color":"Black","Warranty":"2 years","Oscillator":"PLL"}}

{"cid":"91198862","title":"Stable Anti Drop Audio Technica Wireless Handheld Microphone","imgUrl":"https:\/\/img.ismap.com\/nimg\/9e\/78\/7ab2d3f9f45d564af5e174152482-200x200-1.jpg","attrs":{"Price":"$188.00","Brand Name":"AC3","Model Number":"3D+W100D","Minimum Order Quantity":"2-29 Units","Delivery Time":"5-15 Working days","Place of Origin":"Guangdong, China","Payment Terms":"Western Union, T\/T","Supply Ability":"30 Units\/day","Packaging Details":"57X40X10 cm","Communication":"Wireless","Use":"Karaoke Microphone, Church, INTERVIEW, Speech, SINGING, Teaching, Kids","Material":"metal, Aluminium Alloy","Function":"Noise Cancelling, Light-weight, With LED lights","Polar Pattern":"Omni-directional","Power supply":"DC 12-18V","Size":"48*25*4.5cm","Connection":"UHF Wireless Connect","Selling Units":"Single item","Single gross weight":"4.500 kg"}}