No, but anyway it’s not correct that GPS function only works in one direction

GPS works in one direction. GPS satellites send one-way GPS signals, they receive no information back from your phone.

With GPS on they can find you with a precision of few meters

Yes, very likely.

Not possible if GPS works only in one direction

Absolutely possible. For example Android phones can, and in most cases do, send your location (that your phones figures out from GPS signals) to Google, with your internet connection, either Wi-Fi or cellular data. GPS signals don't need to be bidirectional for that to happen.

Man I don't know how my office handheld GPS works then mist be magic. GPS is one way the fact your device has a cell modem in it that allows the other way is not a function of GPS.