== SB4 == == WIMAX == == LTE == == Switch Matrix == 1. need two non-blocking switch / attenuator matrix 1. Connect B210s through switch matrix 1. B210s have 2x tx, 2x rx 1. 4 ports per b210, 2 ports per node 1. compare pricing from DIY, minicircuits, jfw 1. ex, 4 b210s