After several tests and location switch finally our digipeater founds its final home.
We runs a homebrew VHF J-Pole with a 5watt portable radio attached to our digipeater controller for the 9W2FKT-3 digipeater setup.
Our APRS Digipeater listen and transmit on the official APRS frequency which is 144.390Mhz, please configure your tracker to transmit only in narrowband.