User's Manual

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4.1.2 Block diagram of BIU
4.1.3 BIU parts
Figure 4.2 – BIU mounting diagram
No. Unit Description Remark
1 MDBU
Main Drive BTS Unit
Amplify & adjust downlink RF signal
Amplify & adjust uplink RF signal
Max 4EA
2 MCDU
Main Com/Div Unit
Combine 4EA downlink signal and divide 4EA signal to ODU
Combine 4EA uplink signal and divide 4EA signal to MDBU
Support VHF/UHF interface port