Are those two WWAN slots on the Latitude E6440?

DIY Thinkpad T580 P52s WiFi 6E and WWAN SSD upgrade guide wwan slot Here, I show you how to install a PCIe SSD in the spare WWAN slot on the Thinkpad laptop slot demo olympus gratis Before installing that, we sat on the phone with Verizon and HP for days and also CDW who we ordered the card x2 with the WWAN slot with and it

slot server singapore no 1 There are two empty slots, a WWAN slot and a FCM slot There is also a WPAN card installed next to the WLAN card, my question is what are