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The Uvalde Tragedy, Radio Coverage Problems, and the Solutions

The Importance of Two-Way Radio Coverage a Year After the Uvalde School Shooting The recent shooting at Robb Elementary School in Uvalde, Texas, has once again brought to light the importance of two-way radio coverage. In the chaotic moments after the shooting began, law enforcement officers were unable to communicate effectively with each other, which […]

HackRF and Radio Interference

  The HackRF is a software-defined radio (SDR) that can be used to transmit and receive radio signals. It is a powerful tool that can be used for a variety of purposes, including radio astronomy, signal analysis, and radio hacking. One of the potential uses of the HackRF is to interfere with radio communications. This […]

Grid Testing for Public Safety Radio Coverage

Public safety radio coverage is essential for first responders to communicate effectively in the event of an emergency. However, buildings can often block radio signals, making it difficult for first responders to communicate inside. Grid testing is a method of measuring and mapping radio signal coverage in a building. This information can be used to […]

Art Installation Eavesdrops on Hospital Pagers with a HackRF

After my article on pagers and HIPAA compliance I thought this was great. Definitely shows how patient PHI is easily compromised with commercial off the shelf equipment. https://www.rtl-sdr.com/art-installation-eavesdrops-on-hospital-pagers-with-a-hackrf/

GCS Out!