No O2 sim, I dont think cellmapper is particularly user friendly to use so not keen on diving back into the app again.mobile networks are a complete industry of their own. Cellmapper is best when it reports to the web page, crowd sourcing, as the web is easier to use.
I did screenshot it and read from the screenshot, the 2162 is RX frequency and 1972 TX frequency.Confirmed as an O2 signal, if you're not an O2 customer your phone is ignoring.
MCC MNC TAC all had ? so is it possible it was just reporting a detected band within range but not connected? Its one of the many that appeared when speedtest ran.
With ?? I think that means its a signal the phone is receiving but it can't decode the MCC (Mobile country code) or MNC (Mobile Network Code) or TAC (internal deployment region) for the signal as it is not the same network as the SIM in the phone.
MCC in the UK is always 234, the MNC is the next two digits, as follows:
234-10 = O2
234-30 = EE (where 30 was old T-Mobile, and 33 was old Orange)
234-15 = Vodafone
234-20 = Three
23 years of broadband connectivity since 1999 trial - Live BQM
Edited by jchamier (Fri 24-Nov-23 18:48:48)



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