---
name: "uhd_rx_nogui"
section: "1"
platform: "linux"
package: "gnuradio"
version: "3.10.12.0-18"
release: "Arch Linux 2026-11-01"
platforms: ["linux"]
url: "https://new.carta.tech/uhd_rx_nogui"
---

# uhd\_rx\_nogui(1)

GNU Radio receiver

## NAME

uhd\_rx\_nogui - GNU Radio receiver

## SYNOPSIS

**uhd\_rx\_nogui.py** \[*options*\]

## DESCRIPTION

Command line GNU Radio receiver that takes signal from a UHD peripheral receiver and sends demodulated audio to the sound device.

## OPTIONS

- **-h**, **--help**

  show this help message and exit

- **-a** ARGS, **--args**=*ARGS*

  UHD device address args , \[default=\]

- **--spec**=*SPEC*

  Subdevice of UHD device where appropriate

- **-A** ANTENNA, **--antenna**=*ANTENNA*

  select Rx Antenna where appropriate \[default=none\]

- **-f** Hz, **--frequency**=*Hz*

  set receive frequency to Hz \[default=none\]

- **-c** Hz, **--calibration**=*Hz*

  set frequency offset to Hz \[default=0.0\]

- **-g** dB, **--gain**=*dB*

  set RF gain \[default is midpoint\]

- **-m** TYPE, **--modulation**=*TYPE*

  set modulation type (AM,FM) \[default=none\]

- **-o** RATE, **--output-rate**=*RATE*

  set audio output rate to RATE \[default=32000\]

- **-r** dB, **--rf-squelch**=*dB*

  set RF squelch to dB \[default=-50.0\]

- **-p** FREQ, **--ctcss**=*FREQ*

  set CTCSS squelch to FREQ \[default=none\]

- **-O** AUDIO\_OUTPUT, **--audio-output**=*AUDIO\_OUTPUT*

  pcm device name.  E.g., hw:0,0 or surround51 or /dev/dsp

## SEE ALSO

[uhd\_fft(1)](/uhd_fft/1.md) [uhd\_rx\_cfile(1)](/uhd_rx_cfile/1.md) [uhd\_siggen(1)](/uhd_siggen/1.md) [uhd\_siggen\_gui(1)](/uhd_siggen_gui/1.md)