# airodump-ng > Capture packets and display information about wireless networks. > Part of `aircrack-ng`. > More information: . - Capture packets and display information about wireless network(s) on the 2.4GHz band: `sudo airodump-ng {{interface}}` - Capture packets and display information about wireless network(s) on the 5GHz band: `sudo airodump-ng {{interface}} --band a` - Capture packets and display information about wireless network(s) on both 2.4GHz and 5GHz bands: `sudo airodump-ng {{interface}} --band abg` - Capture packets and display information about a wireless network given the MAC address and channel, and save the output to a file: `sudo airodump-ng --channel {{channel}} --write {{path/to/file}} --bssid {{mac}} {{interface}}`