I'm trying to get an SXT LTE connected to Vodafone Spain. It connects fine in areas with good signal, but I'm in a place where the nearest cell tower is 4km away. I have two phones connected, plus a TP-Link LTE "MiFi" router. One phone and TP-Link show "two bars", but the Android phone with LTE info tool shows serving cell RSRP -108dBm, RSSNR 15.2, and RSRQ -7. The phone is on the table next to me.
These values should be more than enough for the SXT to connect, considering it has a directional antenna with 9dB gain, is on a tripod, and pointed directly towards the tower.
What is the deal here? Is the SXT really that bad compared to a cheap Android phone?