---
name: "LimeUtil"
section: "1"
platform: "linux"
package: "limesuite"
version: "23.11.0+dfsg-3+b2"
release: "Debian 13 (Trixie)"
platforms: ["linux"]
url: "https://new.carta.tech/LimeUtil"
---

# LimeUtil(1)

control and update LMS7 based transceiver devices

## NAME

**LimeUtil** - control and update LMS7 based transceiver devices

## SYNOPSIS

**LimeUtil** \[*OPTIONS*\]

## DESCRIPTION

**LimeUtil** is a tool to show information about and control LMS7 based transceiver devices such as the LimeSDR. It can be used to update the firmware and to calibrate the device.

## OPTIONS

- **--help**

  Print a help message.

- **--info**

  Print information about LimeSuite and found devices.

- **--find**\[="*SPEC*"\]

  Discover available devices, restricted to those matching the *SPEC* if given. If no matching devices are found it will exit with exit status 1.

- **--make**\[="*SPEC*"\]

  Create a device instance.

### Advanced options

- **--args**\[="*ARGS*"\]

  Supply arguments *ARGS* to the **--update**, **--fpga** and **--fw** options.

- **--update**

  Download latest firmware and program it into the device flash memory.

- **--fpga**="*FILE*"

  Program FPGA firmware image in *FILE* to device flash memory.

- **--fw**="*FILE*"

  Program FX3 firmware image in *FILE* to device flash memory.

- **--timing**

  Time interfaces and operations.

### Calibrations sweep

- **--cal**\[="*ARGS*"\]

  Calibrate device. Use *ARGS* to select and configure device.

- **--start**=*FREQ*

  Start calibration sweep at frequency *FREQ* Hz.

- **--stop**=*FREQ*

  Stop calibration sweep at frequency *FREQ* Hz.

- **--step**=*STEP*

  Step frequency during calibration sweep by *STEP* Hz (default 1 MHz).

- **--bw**=*BW*

  Set calibration bandwidth to *BW* Hz (default 30 MHz).

- **--dir**=*DIR*

  Set calibration direction to *DIR* (one of RX, TX or BOTH, default is BOTH).

- **--chans**=*CHANNELS*

  Set calibration channels to *CHANNELS* (one of 0, 1 or ALL, default is ALL).

## HOMEPAGE

**LimeUtil** is part of the Lime Suite ⟨https://myriadrf.org/projects/lime-suite/⟩.

## SEE ALSO

[**LimeSuiteGUI**(1)](/LimeSuiteGUI/1.md)