SB4

1. Need two rf switches
2. each links matrix, 1 node, and 1 basestation
3. all are controlled by raspberry pi, named sb4-cm

WIMAX

LTE

Switch Matrix

1. need two non-blocking switch / attenuator matrix
2. Connect B210s through switch matrix
3. B210s have 2x tx, 2x rx
4. 4 ports per b210, 2 ports per node
5. compare pricing from DIY, minicircuits, jfw
6. ex, 4 b210s
7. set up two rails, 8 ports per rail, atten and delay between
8. need price per attenuator.