I opened my M7200 and I found 2 UFL connectors. I wondered which one is the 4G antenna and which is the Wifi antenna. Thanks.

Hi, I have the M7350 and would like to use an external 4G antenna with it. I opened it and found 4 T.LE connectors (see photo). I guess 2 are for Wifi and 2 for LTE antennas. Can you help me out what'