4G bands 1, 2, 3, 4, 5, 7, 8, 11, 12, 13, 14, 17, 18, 19, 20, 21, 25, 26, 28, 29, 30, 32, 34, 38, 39, 40, 41, 42, 46, 48, 66, 71 - A2589 1, 2, 3, 4, 5, 7, 8, 12, 13 ...
I currently focus my testing efforts on 3D printers, pro and productivity displays, and drives and SSDs of all sorts.