https://www.youtube.com/watch?v=6Rgr9xsjB80

почти два часа болтовни про сотовую связь, можно в фоне слушать для базового понимания

#ss7 #gsm

RT @2g_gsm@twitter.com

The PCMCIA card format served the mobile industry well. From the early days of Circuit Switched Data as shown here, through HSCSD, GPRS, EDGE and even early (pre-USB dongle) 3G UMTS services. #2G #GSM #historyoftechnology

🐦🔗: https://twitter.com/2g_gsm/status/1595314350734151681

Cowboy Bebop vibes

RT @2g_gsm@twitter.com

High Speed Circuit Switched Data increased rates from 9.6kbps to a maximum of 14.4kbps per TDMA timeslot. Some networks launched 4 slot service but 2 slot was most common, offering a maximum data rate of 28.8kbps, massively impressive at the time! #2G #GSM #historyoftechnology

🐦🔗: https://twitter.com/2g_gsm/status/1582412351122178048

RT @2g_gsm@twitter.com

A rare opportunity to dust off the old HP 8594E spectrum analyser and review some GSM GMSK waveforms in the 900 and 1800 MHz bands. The image is a BCCH TRX/carrier (constant amplitude) in the 1800 MHz band #2G #GSM #historyoftechnology

🐦🔗: https://twitter.com/2g_gsm/status/1572259022463533057

RT @2g_gsm@twitter.com

An early Mercury one2one head-frame with CSA vertically polarised antennas in space diversity configuration. Site has microwave radio backhaul for connectivity to BSC. #2G #GSM #historyoftechnology

🐦🔗: https://twitter.com/2g_gsm/status/1574674812345229315

I really like the photo

RT @2g_gsm@twitter.com

The scale of civil engineering required to rollout GSM networks is often overlooked. Here's a rooftop site with stub tower & walk in equipment cabinet, all delivered to the rooftop by a crane which required a road closure. Mercury one2one site 1999 #2G #GSM #historyoftechnology

🐦🔗: https://twitter.com/2g_gsm/status/1576872773787402240

RT @2g_gsm@twitter.com

The scale of civil engineering required to rollout GSM networks is often overlooked. Here's a rooftop site with stub tower & walk in equipment cabinet, all delivered to the rooftop by a crane which required a road closure. Mercury one2one site 1999 #2G #GSM #historyoftechnology

🐦🔗: https://twitter.com/2g_gsm/status/1576872773787402240

@tech
❗️В Туркменистане практически невозможно пользоваться интернетом

Для понимания масштабов катастрофы приводим (неполный!) список так называемых автономных систем, попавших под блокировку. Вместе они владеют более чем 60 миллионами IP-адресов 😡

Сколько стоит попасть в “белый список” Государственной службы кибербезопасности👇

Не хорошо это. (отстранюсь)Учитывая,что в рф пока что только проблемы с впн наблюдаются общественными,с личными все ок

https://telegra.ph/Mnogoletnij-shutdown-V-Turkmenistane-prakticheski-nevozmozhno-polzovatsya-internetom-08-25-2

#ru #rf #ethernet #gsm by @Ves

I support the rights of gender and sexual minorities #GSM but it is nothing to be proud of. As someone who has struggled with sexaholism most of their life I assure you sinfulness is always destructive, you shouldn't be proud of dishonoring your parents, or missing Church on Sunday either https://www.breitbart.com/social-justice/2022/08/15/50000-march-protest-pride-parade-belgrade-serbia/