Free Google App - Network Cell Info & Wifi

[glitterdog]

Network Cell Info is an extensive mobile network and Wi-Fi monitoring app with measurement and diagnostic tools (5G, LTE+, LTE, CDMA, WCDMA, GSM). Network Cell Info can help troubleshoot your reception and connectivity problems while keeping you in the know about your local cell carrier radio frequency landscape

https://play.google.com/store/apps/details?\&id=com.wilysis.cellinfo&hl=en_US&gl=US