Wi–Fi Monitor+ v1.6.5

General
* the information about Wi-Fi connection
For getting public IP address, press on internet/earth icon
Nets
* the list of available Wi-Fi networks
* Support filtering of results
* You can open details for net
CH 2.4/5.0
* the charts for available networks by channels groupped for 2.4 or 5.0 GHz
* you can switch to mode with channel width (used center freq for channel)
* you can pause updating
* support scaling by fingers or maximize by double tap
Power
* chart with power for net at time interval
Devices
* the devices connected to your Wi-Fi network
* For quick scan press to devices item
* For deep scan press to refresh icon
* Try detect hostname, router model
* Support filtering of results
* In menu options get vendor by mac
System Requirements:
Requirements: Android 4.0.3+
Home Page-

https://play.google.com/store/apps/details?id=ru.andr7e.wifimonitor.pro&hl=en