1. Start from cat 12 above. Pls skip cat 6 as obsolete nowdays 2. FDD - B1/3/20 2x2MiMo, TDD B42/43 4x4MiMo, 2CA in DL&UL Intra-band (even better inter-band) contiguous & non-contiguous, QAM 256DL, QAM64 UL You should to consider SoC https://altair-semi.com/products/alt4800/ for example. In ...