Wireless Joint

Has anyone here actually managed to get their EM160R to switch to 2x2 MIMO mode? Every time I try it I get an error. If I query the current setting it shows that the disable setting is off (i.e. 4x4 is enabled): AT+QCFG="lte4x4mimo/disable" +QCFG: "lte4x4mimo/disable",0 OK When ...