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ik1xpv – Hamradio software & hardware – The RTL2832+R820T RF GENERATOR hack 1.0 was last modified: October 31st, 2017 by
http://www.steila.com/blog/index.php?controller=post&action=view&id_post=9
Source: Rtl-sdr – SDR (Software Defined Radio) – Open Source Mobile Communications
Source: Arduino Basics: 433 MHz RF module with Arduino Tutorial 1
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