pll oscillator wireless tour 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"}}