Hacking Facebook and SS7

https://www.youtube.com/watch?v=kRCIsy9URyw&t=262s

https://www.computerworld.com/article/3058020/hackers-only-need-your-phone-number-to-eavesdrop-on-calls-read-texts-track-you.html

https://www.securitynewspaper.com/2018/02/19/intercept-mobile-communications-calls-messages-easily-without-hacking/

https://medium.com/@vasanthavanan59439/ss7-the-deadliest-attack-6423de7fe8c0

https://blog.securegroup.com/phone-hacking-through-ss7-is-frighteningly-easy-and-effective

https://cyware.com/news/can-you-hack-a-facebook-account-by-just-using-the-phone-number-yes-you-can-19617269

https://alltop9.com/phone-number-facebook-hack/

https://www.rtl-sdr.com/hacking-gsm-signals-with-an-rtl-sdr-and-topguw/

https://www.youtube.com/watch?v=da1CLA82jw8


RTL-SDR
https://www.youtube.com/watch?v=FqtJ-TvtLTQ  [stopped 6.54]
https://www.youtube.com/watch?v=37q53h0b4q8 [ how to setup rtl-sdr in kali linux]


Malaysian Maxis, Digi, Celcom band allocation:
https://www.malaysianwireless.com/2016/02/spectrum-maxis-900mhz-1800mhz/
https://forum.lowyat.net/topic/3333921/all
https://en.wikipedia.org/wiki/GSM_frequency_bands


Sellers:
https://www.lazada.com.my/products/100khz-17ghz-uv-hf-rtl-sdr-usb-tuner-receiver-uv-antenna-diy-kits-i529008531-s1045654004.html?ef_id=EAIaIQobChMIx92f0IWv5gIV2Q0rCh0DSQ-IEAQYASABEgIhFfD_BwE:G:s&s_kwcid=AL!3150!3!244160057898!!!u!294357559827!&exlaz=d_1:mm_150050845_51350205_2010350205::12:1032211143!54400014687!!!pla-294357559827!c!294357559827!1045654004!137976772!244160057898&gclid=EAIaIQobChMIx92f0IWv5gIV2Q0rCh0DSQ-IEAQYASABEgIhFfD_BwE


Go for Rtl2832U, TXC0  0.5 ppm crystal,  R820T2 Tuner