Broadcast FM Block Filter (88 - 108 MHz Block) by RTL-SDR Blog<div style="text-align: left;"><strong>[Product Information]</strong><ul><li><span class="a-list-item"> Blocks the broadcast FM band between 88 – 108 MHz with over 50dB of attenuation. </span></li><li><span class="a-list-item"> Insertion loss is less than 0.5 dB between 0 – 1 GHz， and mostly less than 1.5 dB between 1 – 3 GHz. </span></li><li><span class="a-list-item"> Uses SMA female connectors. Comes with a free SMA male to SMA male adapter. </span></li><li><span class="a-list-item"> Designed for SDR users. TV installers this is probably not the right product for you. </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/51cfU2wbJpL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41XM%2BeF8d1L.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41h0JvrmY8L.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41tneegcFmL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41ERgqXNbgL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51TRuvv7dSL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/416axduOkJL.jpg" noproxy>