User's Manual Part 1

SystemDescription
10
Theschematicin Figure6 showsoneofthechannelsintheBIU.Thesignaldetectorforthedownlinklevelalarmsis
showninthetoprigh
tcorner.
TheUL1andUL2upli
nktestportsare3dBlowerthanthesignalonthecorrespondingDL/ULBTSport.
Figure 6 Schematic of One BIU RF Path











Table4 listsstandardcellular BIU’s.Otherconfigurationsareavailableuponrequestaswellasunitswithoutinternal
duplexfiltering.
Table 4 Standard Variants of the BIU
Configuration UL MHz DL MHz RF Input High Level P/N Low Level P/N
2xVHF 136‐174 136‐174 Duplex DBI312 DBI412
2xTETRA390MHz
†
†Severaloptionsexistsfor5MHzstandardbandsforTETRA
380‐385 390‐395 Duplex DBI301 DBI401
2xUHF 450‐470 450‐470 Duplex DBI313 DBI413
2x700MHZABC‐band 698‐716 728‐746 Duplex DBI307 DBI407
2x700UpperC777‐756 746‐756 Duplex DBI304 DBI404
2x700PublicSafety 799‐805 769‐775 Duplex DBI314 DBI414
2xSMR800 806‐824 851‐869 Duplex DBI303 DBI403
2x850MHz 824‐849 869‐894 Duplex DBI308 DBI408
2x800 832‐862 791‐821 Simplex DBI305 DBI405
2xGSM‐R900 876‐880 921‐925 Duplex DBI310 ‐
2x90
0MHz 8
80‐915 925‐960 Duplex DBI309 DBI409
2x1800MHz 1710‐1785 1805‐1880 Duplex DBI318 DBI408
2x1900MHz 1850‐1915 1930‐1995 Duplex DBI319 DBI419
2xUMTS2100MHz 1920‐1980 2110‐2170 Duplex DBI320 DBI420
2xAWS2100MHz 1710‐1755 2110‐2155 Duplex DBI321 DBI421
2xLTE2600 2500‐2570 2620‐2690 Duplex DBI326 DBI426