Lesson 1: GSM Base Station Discovery
Use Kalibrate and gr-gsm to discover and analyze GSM base stations.
Objectives
- Install Kalibrate and gr-gsm toolkit
- Scan for GSM base stations in your area
- Analyze GSM control channels
- Capture and decode GSM traffic
Installation
# Install Kalibrate git clone https://github.com/steve-m/kalibrate-rtl cd kalibrate-rtl ./bootstrap ./configure make sudo make install # Install gr-gsm sudo apt install gr-gsm
Base Station Discovery
# Scan for GSM base stations kal -s GSM900 -g 40 kal -s GSM1800 -g 40 # Analyze specific frequency kal -c 935.2 -g 40