wireless audio guide system 23 channel

{"cid":"91171271","title":"250KHz Wireless Audio Guide System 23 Channel Two Way Talkback","imgUrl":"https:\/\/img.chinax.com\/nimg\/f4\/5d\/41aa4ac80650b65d8bb1d16d0ec4-200x200-1.jpg","attrs":{"Price":"negotiation","Brand Name":"YingMi","Model Number":"008B","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","Frequency response":"20Hz-16KHz","Working frequency":"796.0-821.0MHz","Channel number":"Twenty-three","Channel spacing":"250KHz","Dimensions":"86mm\u00d760mm\u00d719mm","Color":"Black","Working distance":">=250m","Warranty":"2 years","Type":"008B","Weight":"T:110g; R:95g"}}

{"cid":"91188370","title":"1W COFDM HD Wireless Transmitter Audio Video Data Dynamic 128 Bit AES Encryption","imgUrl":"https:\/\/img.chinax.com\/nimg\/64\/b4\/b30861e6907c899724a7e0905b9f-200x200-1.jpg","attrs":{"Price":"Negotiation","Brand Name":"Huanuo","Model Number":"HN-710","Minimum Order Quantity":"1 pcs","Delivery Time":"1~2 working days","Certification":"CE\/FCC\/ROHS","Place of Origin":"China","Payment Terms":"T\/T","Supply Ability":"500 pieces per month","Packaging Details":"Professional carton box package","DC input range":"DC 6~17V","Video input":"SDI\/HDMI\/CVBS","Date Rate":"30Mbits\/S_RJ45","Operating frequency":"300MH~2500MHz,stepping 1MHz","video encoding":"H.265","Modulation":"COFDM,QPSK,QAM16,QAM64","Encryption":"dynamic 128 bit AES","RF interface":"SMA","Dimension":"80mm*54mm*23mm","Weight":"146g"}}