Broadcast FM Block Filter (88 - 108 MHz Block) by RTL-SDR Blog
Price is below average
Current Price
$16.95
Average
$17.28
Min Price
$16.95
Max Price
$19.95
Price dynamics
2%
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in next 2 weeks
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Product review & video
today is March the 30th 2017 and I just got these little filters in bottom off of ebay and I left some feedback and I noticed it that different people some of them said they weren't grating some of them said they didn't work right well let me show you how they perform this one right here let's start with this one no we'll start with this sorry this is says it blocked 88 to 108 megahertz it's a call to 88 to 108 megahertz band stop and the other one is a 2.4 megahertz hpf high-pass filter so let's see how they measure will measure both of it it's quick and easy what I'm using here is Hewlett Packard signal generator I've got it set for 100 megahertz will do the 88 281 first I set it for 100 megahertz and we're gonna vary that of course and spectrum analyzer I've got set for a hundred megahertz mid frequency with a I think I said it for a 60 megahertz band width so we can watch 30 megaher
