iPhone 11 Pro Max multi antenna LTE peak EIRP. iPhone 4x4 MIMO still downlink only, can select and uplink transmit on only one of 2-4 antennas at a time. Varied antenna gain and conducted power cause varied EIRP per band per antenna. An RF performance graph to rule them all. pic.twitter.com/i07TTxkqyu

— Andrew J Shepherd (@WiWavelength) September 12, 2019