Westell CS40-734834-00D-A0, Руководство пользователя

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CS40-734834-00D-A0 Product Manual
April 2020, Rev A
WESTELL.COM
© 2019 Westell Technologies April 2020; Doc No. CS14702802UM rD
1.877.844.4274 Page 23 of 52
3 Product Specification
3.1 RF Specifications
Table 3-1: RF Specifications
ITEM PARAMETER DESCRIPTION UNIT NOTES
1 700 DL Freq. Band 758-776 MHz
2 700 UL Freq. Band 788-806 MHz
3 700 FirstNet DL Freq. Band 758-768 MHz
4 700 FirstNet UL Freq. Band 788-798 MHz
5 800 DL Freq. Band 851-869 MHz
6 800 UL Freq. Band 806-824 MHz
7
Number of DL Class A Filters per
Band
32 PLUS FirstNet for 700 band
8
Number of UL Class A Filters per
Band
32 PLUS FirstNet for 700 band
9 Class A Channelized Filter BW
12.5, 25, 50, 75, 100,
150
kHz
Default 75 kHz with minimum group delay, 100kHz
and 150kHz considered Class B
10
Class A Filter Rejections
dB
f – is rejection from BAND EDGE
f tol/- 5kHz
12.5 kHz @ f >30kHz >60
25 kHz @ f >50kHz >60
50 kHz @ f >105kHz >60
75 kHz @ f >210kHz >60
100 kHz @ f >210kHz >60
150 kHz @ f >210kHz >60
11
Class A System Group Delay for each filter
uS
TOTAL DL group delay between DONOR and
SERVICE ports.
12.5kHz <60 Will not meet P25 phase 1 or 2 requirements
25 kHz <36 Will not meet P25 phase 1 or 2 requirements
50 kHz <25 P25 phase 2 compliant
75kHz <15 P25 phase 1&2 compliant
100 kHz <15 P25 phase 1&2 compliant
150 kHz <15 P25 phase 1&2 compliant
12
Number of DL Class B Filters per
Band
4 PLUS FirstNet for 700
13
Number of UL Class B Filters per
Band
4 PLUS FirstNet for 700
13.2 Class B Channelized Filter BW
0.250, 0.500, 1.0, 2.0,
3.0, 6.0, 7.0, 10
MHz
13.4 Class B Filter Rejections f – is rejection from BAND EDGE