---
name: "gatttool"
section: "1"
platform: "linux"
package: "bluez"
version: "5.82-1.1"
release: "Debian 13 (Trixie)"
platforms: ["linux"]
url: "https://new.carta.tech/gatttool"
---

# gatttool(1)

tool for Bluetooth Low Energy device

## NAME

gatttool - tool for Bluetooth Low Energy device

## SYNOPSIS

**gatttool**

## DESCRIPTION

**gatttool** is tool that can be used to manipulate these attributes with a Bluetooth Low Energy device.

## USAGE

  gatttool \[OPTION...\]

Help Options:\
   **-h**, **--help**                                  Show help options\
   **-h**, **--help**                                  Show help options\
   **--help-all**                                  Show all help options\
   **--help-gatt**                                 Show all GATT commands\
   **--help-params**                               Show all Primary Services/Characteristics arguments\
   **--help-char-read-write**                      Show all Characteristics Value/Descriptor Read/Write arguments

Application Options:\
   **--i**, **---adapter=hciX**                        Specify local adapter interface\
   **--b**, **---device=MAC**                          Specify remote Bluetooth address\
   **--t**, **---addr-type=\[public \| random\]**         Set LE address type. Default: public\
   **--m**, **---mtu=MTU**                             Specify the MTU size\
   **--p**, **---psm=PSM**                             Specify the PSM for GATT/ATT over BR/EDR\
   **--l**, **---sec-level=\[low \| medium \| high\]**     Set security level. Default: low\
   **--I**, **---interactive**                         Use interactive mode

## AUTHOR

This manual page was written by Nobuhiro Iwamatsu \<iwamatsu@debian.org\>, for the Debian GNU/Linux system (but may be used by others).