User Manual

FiberDistributedAntennaSystem(FiberDAS)
7
Theschematicin Figure3 showstheblocksintheBIUforoneofthechannelsandhowthesignaldetectorforthe
downlinkle
velalarmsareconnected.
Figure 3 Schematic of One BIU RF path











Table2 listsstandardcellularBIU’s.Otherconfigurationsareavailableuponrequestaswellasunitswithout
internaldu
plexfi ltering.
Table 2 Standard variants of the BIU
Part No Configuration
UL
MH
z
DL
MHz
BTS
I/F
DBI303
2xTETRA39
0MHz
†
†. Severaloptionsexistsfor5MHzstandardbandsforTETRA
380‐38
5 390‐395 Duplex
DBI307 2x70
0MHZABC‐band 698‐716 728‐746 Duplex
DBI308S 2xSM
R800 806‐825 851‐870 Duplex
DBI308 2x850MHz 824‐84
9 869‐894 Duplex
DBI309 2x90
0MHz 880‐915 925‐960 Duplex
DBI318 2x18
00MHz 1710‐1785 1805‐1880 Duplex
DBI319 2x19
00MHz 1850‐1910 1930‐1990 Duplex
DBI320 2xUMT
S2100MHz 1920‐1980 2110‐2170 Duplex
DBI321 2xAW
S2100MHz 1710‐1755 2110‐2155 Duplex