Title: GSM Repeater
1???? ???
- ????? ????? ?????????? ???? ?????
- GSM Repeater
2????? ? ??????? ???? ???
- ???? ??? ?? ??? 1363 ?? ????? 52681 ?? ????? ???
?????. ????? ???? ?????? ???? ?????? ???? ?
???? ?????? ??? ?????? ????? ???? ??? ???????? ?
?????? ??? ????? ????? ???? ????? ?? ????. ?????
????? ???? ?? ???? ??? 1363 ?? ???? ????????? ??
???? 300 bps ????? ??????. ? ?? ????? ???? ?????
????? ??? ??????? ? ???????? ?? ??????? Wired?
Wireless ? Fiber optic ????? ????.
3????? ???????
- HiDSL
- PDH
- SDH
- GSM Repeater
4????? ???????
- ???? HiDSL
- ?????? ???? ?? ???? ?????? 2.304 Mbps ??? ?? ???
??? ??? 0.4mm ?? ????? 3.8 ??????? - ?????? ?? ?????? ??? ???? G.703/G.704 ? V.35 ?
Ethernet - ?????? ????? ?????? ?? ???? AC/DC ? ?? ?? ?
?????? ????? (remote feed) - ?????? ??????? ?? ???? ???? ? ??????
5????? ???????
- ???? ???? PDH
- ?????? 4 ?? 16 ?? E1 ?? ??? ???? ???? ?? ?????
???? Ethernet 10/100 - ?????? ??? ?? ??? ??? 1310nm ? ?? 1550nm
- ??????????? LED ??? ????? ????? ?????? ???? ?
?????? ????? - ?????? Loop ? ????? ??????? ?? ???? ????? ??? ???
?????? ? ?? ??? ????? ????????? (?? ???? ????
?????) ? ?? ???? LCD ???????
6????? ???????
- ?????? ?????? ???? SDH
- ????? ??? ?? ???? ????????? ITU-T ???? ????
155/520 Mbs (STM-1) - ???? ??????? ?? ???? ???? ? ?? ????? (compact)
- ??????? ?????? ??????? ?? ????? 6 ???? ???? STM-1
? 210 ???? E1 - ???? ??????? ?? ?????? ???? ?? ???? ? ???? ???
?????? ??? ?????? ????? ???????? ? ??? ?????
7????? ???????
- ?????????? ???? ?????
- ?? ?? ??? Channel Selective? Band Selective ?
Frequency Shifting - ???? ??????? ?? ???? ??? ? ????? ????? ?????
- ????? ??? ???? ???? ??? ????? ??? WLL? ???? ?????
??? ?? ???? ???? ?????? ???? ??? ??????? ??? ????
?? ? ????? ???? ????? ????? ? ??????
8????? ???? ? ??????
- HiDSL
- ?? ?????? ????? ??? ?? 90 ????? ????? ????
- ???? ??????? ?? ????? ??? ????????? ????? ?????
?????? ?????? ???????? ??????? ???? ??????
??????? ?????? ?????? ?????? ?????? ?????????
??????? ???????? ?????? ????? ?... - PDH ? SDH
- ?? ?????? ????? 70 ????? ????? ?? ??? 85
- ?? ?????? ????? 90 ????? ????? ?? ??? 86
- ???? ? ??? ?????? ??? ?? 5000 ???? ??????? ????
?? ????
9????? ???? ? ??????
- ???? ??????? ?????? ?? ????? ??? ????????? ?????
????????? ????? ??????? ??????? ?????? ?????
?????? ?????? ? ????????? ?????? ?????????
????????? ??????? ??????? ???????? ???? ??????
???????? ?????? ????? ?... - GSM Repeater
- ?? ?????? ????? 70 ????? ????? ?? ??? 86
- ???? ??????? ?? ????? ??? ?????? ????????? ?????
?????? ????? ????????? ?????? ?????? ? ?????????
??????? ???????? ?????? ??????? ???????? ?
????????? ?? ? ....
10????? ???? ? ??????
??????? ????? 90 ?????? ABS CS
??????? ?????? 20 ?????? ABS
??????? ???? 150 ?????? FS
???? ??? ?????? 4 ?????? ABS
??????? ? ???? 20 ?????? FS
??????? ????? 120 ?????? FS CS
??????? ??????? 3 ?????? ABS
??????? ????? 1 ?????? ABS
??????? ???????? 32 ?????? ABS
11????? ???? ? ??????
??????? ?????? 60 ?????? FS ABS CS
??????? ????? 19 ?????? FS ABS CS
??????? ???????? 12 ?????? FS ABS CS
??????? ?????? ???? 20 ?????? FS ABS
??????? ????? 40 ?????? FS
??????? ?? 2 ?????? ABS
??????? ??? 40 ?????? FS ABS CS
12????? ??????? ?? GSM Repeater
- ????? ?????? ? ?????? ?? ???? ???? ?? ??????
??????? ???? ????? ? ?? ???? ??? - ??????? ?? ?????? ??? ?????? ??? ?? BTS ?? ????-
???? ?? ?????? ???? ?????? ?? ?? ??? - ????? ????? ??????? ??? BTS??? ?? ????? ????? ?
??????? ?? ???? ??? ??? ?? ?? ?????? ??? ?????-
??? BTS
13??????? ? ?????? GSM Repeater
- ????? Repeater ???? ??????? indoor/outdoor ??
?????? - Channel Selective
- Adjustable Band Selective
- Frequency Shifting
- Hybrid (CS ABS)
- ?????? ?????? ?????? ?? ???? ?? ???? Cable
(Coupling) ? ?? Wireless - ?????? ????? ?? ???? AC-220V ?? DC-48V
- ?????? ??????? ?? Backup Battery
14??????? ? ?????? GSM Repeater
- ?????? ???????? ?? ???? ??? ?????
- ??????? ???? ?????? ??? ?????? ?????
- ????? ?????? ??? ???? ? ?? ??? ??? ???? ?????
??????? ?????? ? ?????? ??????? ????? ?? ??? ???? - ????? ???? ????? ? ??????? ?????? ?? ??? ??????
???? ????? ??????? ? ?????? ????? ???? ???? ??
???????? - ???? ??????? ?? ????? ???? ?? ? ?????
15??????? ? ?????? GSM Repeater
- ????? ???? LCD ? ??????? ?????? ??? ??????
16Channel Selective Repeaters
- ????? ??? ???? ???? ?? ? ????? ??? WLL
17Channel Selective Repeaters
- ????? ?????? ??? ????? ?? ???? ????? ??? ???? ?
?? ???? 2 ?????? 4 ?????? 6 ????? ? 8 ????? ??
???? ?? ?????? ??? ?????? ?????? - ?? ???? ????? 2w? 5w? 10w ? 20w ?? ???? ?? ??????
??? ?????? ??????
18Adjustable Band Selective Repeaters
- ????? ??? ???? ???? ??? ??????? ??? ???? ?? ?
????? ???? ???? - ?????? ????? ????? ???? ????? ???? ????? ?? 25KHz
?? 25MHz - ?? ???? ????? 2w? 5w? 10w ? 20w ?? ???? ?? ??????
??? ?????? ?????? - ??? ???? ?? ??? ??? ?? ????? ???? ???? (wide
band) ??? ???? ????? ??????? ?? ??? 500 ???????
??????? ?? ???.
19Adjustable Band Selective Repeaters
20Frequency Shifting Repeaters
- ????? ???? ?????? ?????? ?? ?? ????? ?? ???? ??
??????? ???? ????? ??? ?? ???? ???? ???? ??????
???? ????? ????? ??? WLL ? ?????? ?? ?? ???
?????? ????? ? Isolation ????? ??????? ?? ?????
Channel Selective ? Band Selective ????? ???
????. - ????? ?? ?????? Master ? Slave
- ?????? ?????? ?????? ?? ???? BTS ?? ???? Cable
(Coupling) ? ?? Wireless
21Frequency Shifting Repeaters
22Frequency Shifting Repeaters
- ?????? ?????? ?????? ??? ?????? ??? Master ?
Slave ?? ??????? ????? 900MHz? 1500MHz ? 1800MHz - ?????? ?????? ?????? ??? ?????? ??? Master ?
Slave ?? ???? Wireless ?? Fiber Optic
23Frequency Shifting Repeaters
24????? ??? ?????? ?????? ??? ????
- ??? ????? ???? ? ???? ?? ?????? ?????????? ?
????? ?????? Repeater - ????? ??? ????? ???? ????? ?????? ?? ??? Server ?
???- ???????? Client ?? ???? ???? ? ???? ??? ??
??? ????? ???????? - ????? ???? ??? ????? ??? ????? Server ? ??????
Repeater
25????? ??? ?????? ?????? ??? ????
26????? ??? ?????? ?????? ??? ????
27????? ???? ??
- ???? ???? (panel) ?? ?? ????? ???? ????? ???????
????? ?????? ????? ?????? 13050 ????? ??? ???? ?
???? ????? ???? ???? ???? ????? ????? ??? ??
????? ?? ?? 38 ?? 90 ???? ????? ???? ???? ????.
???? ????? (Gain )?? 18dbi ?? 16dbi ?? ???? ?
?? ????? ????? ????? ??? ???? 13 ?? 15 ???? ???.
28????? ???? ??
- ???? ????????? ?? Fire Short Back ?? ?? ?????
???? ???? (donor) ? ?? ???? ???? (link) ???????
??????. ??? ???? ???? ???? ? ????? db gain ??
14.5 ?? 22???? ? ????? ??? ? ?????? 25 ?? 35
???? ??????.
29????? ???? ??
- ???? ???? (Yagi) ?? ????? ???? ???? (donor)
??????? ?? ???. ??? ?? ?? ???? 7 ?? 11 ????? ????
????? 10dbi ?? 13dbi ? ????? ???? ???? ?? ???? 25
???? ???. ??? ???? ?? ???? ????? ??????? ?? ????
?? pattern ??? ?????.
30AIR LOSS
- ??? ?? ?? ???? ?? ???? ????? ??? ???? ?? ??????
??? ?? ?? ?? ???? ?? ?????? ?????? ? ????? ??? ?
????? ???? ????? ?? ???? ????? ????. ???? ????? - Air Loss 20log ( KFD )
- ?? K ????? ???? ?????? ?? ????? ????? ? F
?????? ??? ????? ??? ? D ????? ???? ?????? ????
??? ?? ???? ( ???? ) ?????? ?? ???? ?????? ???
????? ?? ???? ??? ????? ????? - Air loss 31.5 20 log ( D )???? 900Mhz
- Air loss 37.5 20 log ( D )???? 1800Mhz