All of you have seen videos on movies and YouTube of how they intercept radio signals, aircraft signals, etc. But in the modern world this is not a fantasy, almost everyone can realize it. Do you want to know how? Read on ... Let's go Preparation There are 2 ways - the first one includes buying specials. equipment, the second is a simple internet connection . Let's take a little look at the first and move on to the second. So, the first way we need to have in stock or purchase: RTL-SDR module (cost about $ 25). In my opinion, the best, inexpensive and effective option. You can also HackRF, but it costs 300 US dollars, but its advantage is that it can receive and transmit signals, and RTL-SDR only receive. This is not the last advantage of HackRF, but you can compare it yourself. My task is to provide an inexpensive and effective option, as such is the RTL-SDR module. Buy RTL-SDR module Online: stores: AliExpress , Amazon , eBay . What is RTL-SDR module? RTL-SDR is a ...