over the air hdtv antenna

{"cid":"91137350","title":"Black Color F - Male Indoor Hdtv Antenna All Local Broadcast 4k \/ Vhf \/ Uhf Signal Channels","imgUrl":"https:\/\/img.chinax.com\/nimg\/00\/8c\/14b0c58bdb2fd868c880b314baec-200x200-1.jpg","attrs":{"Price":"Negotiable","Brand Name":"BOGES","Model Number":"BGS-HDTV320T-5M","Minimum Order Quantity":"Negotiable","Delivery Time":"10~12 days","Certification":"ROHS","Place of Origin":"CHINA","Packaging Details":"Colourful package or request","Frequency":"174-250MHz, 470-862MHz","Size":"320*235*0.4","VSWR":"\u22642.0","Coax Cable":"RG174","Connector":"F-Male","Color":"transparent"}}

{"cid":"91192094","title":"High gain indoor digital portable cable cctv wireless homemade amplifier circuit pcb air signal booster hdtv antenna","imgUrl":"https:\/\/img.chinax.com\/nimg\/5f\/fb\/d8f1e0560e851c0b3123e103b6f0-200x200-1.jpg","attrs":{"Price":"3.5USD-4.5USD","Brand Name":"GJX","Model Number":"GJX-HDTV","Minimum Order Quantity":"10PCS","Delivery Time":"Shipping in 3 days","Certification":"SGS,ROHS,ISO9001","Place of Origin":"China","Payment Terms":"L\/C, T\/T, Western Union,Paypal","Supply Ability":"5000PCS","Packaging Details":"Inner Box + Carton","Frequency Range":"174-240MHz\/470-860MHz, 170-860(MHz)","Gain":"25dBi\/30dBi","VSWR":"2.0","Input Impedance(\u03a9)":"50(\u03a9)","Max Power":"70(W)","Input connector type":"IEC+F male+USB","Extension cable type":"RG174 Cable","Cable Length":"3meter","Dimension":"250*230*6mm","Net Weight":"0.23kg","Rated Wind Velocity":"50~100miles","Operating temperature(\u00b0c)":"-40~85\u00b0c","Material":"ABS","Applications":"TV\/HDTV\/Digital TV"}}

{"cid":"91187716","title":"3G 4G LTE Full Netcom Suction Cup Antenna High Gain Router DTU Wireless Meter Reading IOT Module Antenna","imgUrl":"https:\/\/img.chinax.com\/nimg\/2a\/87\/732cd1a3e484b6435f47ed4fee5e-200x200-1.jpg","attrs":{"Price":"USD0.95~1.98","Brand Name":"RY","Model Number":"RY-433-071608","Minimum Order Quantity":"Negotiable","Delivery Time":"Shipped in 3 days after payment","Certification":"CE,ROHS","Place of Origin":"china","Payment Terms":"L\/C, T\/T,Paypal, Western Union, ","Supply Ability":"10000pcs","Packaging Details":"40*40*30cm...etc","Color":"Black","Mounting type":"Embedded,Screw,adhesive,magnetic","Szie":"147*30mm","Cable type":"RG174mm","Connector":"custom","Type":"whip,puck,panel"}}