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InterReach
Typical Specifications
1900 PCS RF SPECIFICATIONS
Forward Path
System Bandwidth:
Frequency Range:
Output Power:
2X'sInput Level (at main hub):
Gain:
Gain Variation:
OIP3:
CDMA ACPR1:
Spurious Output:
Reverse Path
System Bandwidth:
Frequency Range:
Gain:
Gain Variation:
Automatic Level Control:
Noise Figure:
*Dip Switch selectable
45
40
35
30
25
20
15
10
5
0
0
10
20
# of Antennas
Optical
Fiber Requirement:
Maximum Distance:
Optical Connector:
Output Power:
Optical Wavelength:
w w w . a d c . c o m
In-building Coverage Solution
®
Noise Figure (typical analog system)
Note: Assumes 8 dB single unit NF, 4 outputs
per host, and use of 2:1 splitters.
Noise Figure (Digivance ICS)
30
40
50
60
•
+ 1 - 9 5 2 - 9 3 8 - 8 0 8 0
25 MHz
1930-1990 MHz*
AD: 1930-1950 MHz
DBE: 1945-1970 MHz;
BEF: 1950-1975 MHz
EFC: 1965-1990 MHz
Composite power/single carrier in dBm, typical**
GSM
24
EDGE
24
TDMA
23
CDMA
16.5
W-CDMA
16.5
**Power per carrier values are dependent on access protocol
peak-to-average and channel loading.
-20 dBm to 0 dBm max
+36 dB nominal @ room temp.
≤6 dB (over frequency, temperature and unit to unit)
1.5 dB variation per 1.25 MHz CDMA channel
+35 dBm
>-45 dBc
<-30 dBm
25 MHz
1850-1910 MHz*
AD: 1850-1870 MHz
DBE: 1865-1890 MHz
BEF: 1870-1895 MHz
EFC: 1885-1910 MHz
14 dB (independent of fiber length)
≤6 dB (over frequency, temperature and unit to unit)
<1.5 dB variation per 1.25 MHz CDMA channel
Provides overdrive protection for composite input ≥-40 dBm
10 dB (1 DHU + 1 DRU)
10 dB + 10 log N (N = number of DRUs)
2 Multi-mode or single mode fibers per link
≤500 m (62.5 micron core)
≤750 m (50 micron core)
≤10 km (9 micron core)
LC, Small Form Factor Transceiver
-10 dBm min
+4 dBm max
850 nm nominal for multi-mode
1310 nm nominal for single-mode
•
1 - 8 0 0 - 3 6 6 - 3 8 9 1
10
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