What kind of mobile network do you use? LTE or 3G? What signal strength do you have where you spend most of your day? Where I work has terrible LTE (and previo

What kind of mobile network do you use? LTE or 3G? What signal strength do you have where you spend most of your day? Where I work has terrible LTE (and previously terrible HSPA) and every phone I've had has noticeably worse battery drain while I'm at my desk.