Welcome to HackRF’s documentation!

User Documentation

• Getting Help
• FAQ
  • What is the Transmit Power of HackRF?
  • What is the Receive Power of HackRF?
  • What is the minimum signal power level that can be detected by HackRF?
  • Is HackRF full-duplex?
  • Why isn’t HackRF One full-duplex?
  • How could the HackRF One design be changed to make it full-duplex?
  • What is the big spike in the center of my received spectrum?
  • How do I deal with the big spike in the middle of my spectrum?
  • What gain controls are provided by HackRF?
  • Why is the RF gain setting restricted to two values?
  • Why are the LEDs on HackRF different colours?
  • Where can I purchase HackRF?
• HackRF Community Projects and Mentions
  • Retired Projects

HackRF One Hardware

• HackRF One
  • Features
• Minimum Host System Requirements for HackRF
• List of Hardware Revisions
  • HackRF One r1–r4
  • HackRF One r5
  • HackRF One r6
  • HackRF One r7
  • HackRF One r8
  • HackRF One r9
  • Hardware Revision Identification
• Hardware Components
  • Block Diagrams
• LEDs
• Buttons
• Connectors
• External Clock Interface (CLKIN and CLKOUT)
• Expansion Interface
  • P9 Baseband
  • P20 GPIO
  • P22 I2S
  • P28 SD
• Hardware Triggering
  • Clock Synchronization
  • Requirements
  • Open Your HackRF One
  • Identify the Trigger Pins
  • Connect the Trigger Output to the Trigger Input
  • Usage
  • Additional Devices
  • References
• Enclosure Options
• USB Cables
  • Why isn’t my HackRF One detectable after I plug it into my computer?
• RF Shield Installation Instructions

Jawbreaker Hardware

• Jawbreaker
  • Features
  • Hardware Documentation
  • Transmit Power
  • SMA, not RP-SMA
  • Recommended PCB and Antenna Changes
  • Expansion Interface
  • Differences between Jawbreaker and HackRF One

Firmware

• Updating Firmware
  • Updating the SPI Flash Firmware
  • Only if Necessary: Recovering the SPI Flash Firmware
  • Only if Necessary: DFU Boot
  • Obtaining DFU-Util
  • Updating the CPLD
• Firmware Development Setup
• LPC43xx Debugging
  • Black Magic Probe
  • LPC-Link
  • ST-LINK/V2
  • Run ARM GDB
• LPC43xx SGPIO Configuration
  • Why not use GPDMA to transfer samples through SGPIO?

Software

• Installing HackRF Software
  • Install Using Package Managers
  • Installing From Source
• HackRF Tools
  • hackrf_sweep
• Third-Party Software Compatible With HackRF
  • Software That Has Direct Support For HackRF
  • Software That Can Use Data From HackRF
  • Troubleshooting Recommendations
• Sampling Rate and Baseband Filters
• Setting Gain Controls for RX
• Virtual Machines

Opera Cake Documentation

• Opera Cake
• Frequently Asked Questions
  • Why the name ‘Opera Cake’?
  • When was Opera Cake first for sale?
• Hardware
  • Banks
  • Ports
  • LEDs
• Board Addressing
• Port Configurations
• Modes of Operation
  • Manual Mode
  • Frequency Mode
  • Time Mode