---
name: "hackrf_biast"
section: "1"
platform: "linux"
package: "hackrf"
version: "2024.02.1-3"
release: "Debian 13 (Trixie)"
platforms: ["linux"]
url: "https://new.carta.tech/hackrf_biast"
---

# hackrf\_biast(1)

antenna power utility

## NAME

hackrf\_biast - antenna power utility

## DESCRIPTION

hackrf\_biast - HackRF antenna power bias-T configuration utility Usage:

**-h**, **--help**: this help

**-R**: Reset all bias tee settings to device default.  When combined with -r/-t/-o, those settings will take precedence.

**-b**: \<mode\> : 1=Enable bias tee immediately, 0=disable immediately

**-r**: \<mode\> : Set default bias tee power when device enters RX mode

**-t**: \<mode\> : Set default bias tee power when device enters TX mode

**-o**: \<mode\> : Set default bias tee power when device enters OFF mode

**-d**:  \<serial\_number\>: Specify serial number of HackRF device to configure.

## EXAMPLES

-

  hackrf\_clock -r 3 : prints settings for CLKOUT

### Usage:

\-h, --help: this help

-

  hackrf\_biar -R : Resets biast setting to default.

The -r/-t/-o options support the following mode settings:

-

  leave		do nothing when entering mode

-

  on		enable bias tee when entering mode

-

  off		disable bias tee when entering mode

## SEE ALSO

The primary source of documentation is the wiki on github:

https://github.com/mossmann/hackrf/wiki