![]() Later in the video he explains the different types of pager signals that you might encounter on the spectrum, and goes on to dissect and explain how the POCSAG protocol works.Ĭanadian based researchers from the "Open Privacy Research Society" recently rang the alarm on Vancouver based hospitals who have been broadcasting patient data in the clear over wireless pagers for several years. In the video HackedExistence first shows that he can easily transmit to his pager with the HackRF PortaPack and view the signals on the spectrum with an RTL-SDR. Pagers have been under the scrutiny of information security experts for some time now as it is common for hospital pagers to spew out unencrypted patient data into the air for anyone with a radio and computer to decode. POCSAG is a common RF protocol used by pagers. If you're interested in the past we reviewed the PortaPack with the Havok Firmware, which enables many TX features such as POCSAG transmissions. The Portapack is an add on for the HackRF SDR that allows the HackRF to be used without the need for a PC. Over on YouTube user HackedExistence has uploaded a video explaining how POCSAG pager signals work, and he also shows some experiments that he's been performing with his HackRF PortaPack and an old pager. ExtIO with Decimation & Tuner Bandwidth ControlsĪn Introduction to Pagers with the HackRF PortaPack and an RTL-SDR.Manual gain controls and decimation driver.Measuring Traffic Volumes with Passive Radar.SignalsEverywhere Direction Finding Tutorial.Measuring Filter Characteristics & VSWR.Performing Replay Attacks with RTL-SDR and RpiTX. ![]() QRP (FT8, JT9, WSPR etc) Monitoring Station.Decoding 433 MHz ISM Band Weather Stations.GOES 16/17 and GK-2A Weather Satellite Tutorial.
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