What is a HackRF?

Features

• 1 MHz to 6 GHz
• Half-duplex transceiver
• 20 million samples per second
• Compatible with GQRX and SDR#
• USB powered, but can be modified to run standalone
• Everything is open source
• $300 device

Portapack

• A $225 add on for the HackRF
• Requires an additional external battery
• Provides device with LCD and touch controls

Alternatives

RTL-SDr

Only 12MHz-1750MHz

Reception only

replay attack 

On a Wireless Doorbell

find Frequency

• The back of the doorbell remote has an FCC ID
• fcc.io is an easy way to lookup FCC data
• Download test report

test report

gqrx report

Record xmission

Replay