Several customers have highlighted a problem with certain vendors on the internet. I recently posted a warning about fake RSPs – see http://www.sdrplay.com/community/viewtopic.php?f=6&t=3472
Another has warned us about USB cables which aren’t as advertised. Here’s an example of what people find: https://www.sdrplay.com/community/viewtopic.php?f=7&t=3428
The 50ft coax recommended in this blog is no longer being supplied to spec – I have removed the url: https://www.sdrplay.com/an-alternative-to-expensive-lmr-coax-cable-for-ghz-operation/
Always buy from a reliable supplier. If in doubt, ask others on the forum or on the Facebook group: https://www.facebook.com/groups/sdrplay where there are 9000 users who can comment and recommend trusted vendors.