CCSD is also planning to introduce cellphone signal-blocking pouches. Middle and high school students will be required to place their phones inside the pouches. “So students will have access to ...

commonly known as “faraday bags,” is excited to announce the launch of a grant program aimed at supporting six California school districts in implementing cell phone signal-blocking pouches ...

Criminals make use of relay attack devices that ‘read’ the signal ... that cell, WiFi and Bluetooth signals were all totally neutralised once the phone was inside the bag.