> For the complete documentation index, see [llms.txt](https://gsm-hacking.telco-sec.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://gsm-hacking.telco-sec.com/2g-in-a-b0x.md).

# 2G In a B0x

- [Description](https://gsm-hacking.telco-sec.com/2g-in-a-b0x/description.md)
- [SIM Cards](https://gsm-hacking.telco-sec.com/2g-in-a-b0x/sim-cards.md)
- [BTS](https://gsm-hacking.telco-sec.com/2g-in-a-b0x/bts.md)
- [BSC - Base Station Controller](https://gsm-hacking.telco-sec.com/2g-in-a-b0x/bsc-base-station-controller.md)
- [MSC - Mobile Switching Center](https://gsm-hacking.telco-sec.com/2g-in-a-b0x/msc-mobile-switching-center.md)
- [STP - Signal Transfer Point](https://gsm-hacking.telco-sec.com/2g-in-a-b0x/stp-signal-transfer-point.md)
- [MGW - Media Gateway](https://gsm-hacking.telco-sec.com/2g-in-a-b0x/mgw-media-gateway.md)
- [SGSN - Serving GPRS Support Node](https://gsm-hacking.telco-sec.com/2g-in-a-b0x/sgsn-serving-gprs-support-node.md)
- [OpenGGSN](https://gsm-hacking.telco-sec.com/2g-in-a-b0x/openggsn.md)
- [Page 1](https://gsm-hacking.telco-sec.com/2g-in-a-b0x/page-1.md)