Quality:5/5 Signal level:-46 dBm Noise level:-92 dBm
In Ubuntu 14.04:
Quality=66/70 Signal level=-44 dBm
The difference is in one group more (with noise level) and in delimiter character.
Ubuntu version:
$ /sbin/iwlist -v
iwlist Wireless-Tools version 30
Compatible with Wireless Extension v11 to v22.
Kernel Currently compiled with Wireless Extension v22.
wlan1 Recommend Wireless Extension v21 or later,
Currently compiled with Wireless Extension v22.
Debian version:
$ /sbin/iwlist -v
iwlist Wireless-Tools version 30
Compatible with Wireless Extension v11 to v22.
Kernel Currently compiled with Wireless Extension v22.
wlan0 Recommend Wireless Extension v19 or later,
Currently compiled with Wireless Extension v22.
In Debian Jessie the line reads:
In Ubuntu 14.04:
The difference is in one group more (with noise level) and in delimiter character.
Ubuntu version:
Debian version: