User Manual

System Description NOTCHCELL Repeater
2 Repeater Design
2.1 System specification
2.1.1 Environmental conditions
Item Standard Remark
Power supply AC110V ± 20%, 50/60Hz ± 5%
or +24Vdc battery backup available
Operating temperature - 40 ~ +55 ℃
Storage temperature - 40 ~ +70 ℃
Humidity 95 %
Consumption power 400 W(Normal),
1200W(Max. In case of the Heater acts at
lower temperature)
Rainfall 100 mm/Hr
Water proof NEMA 4x
Wind pressure 60m/s
<Table 2-1> Environmental Conditions
2.1.2 System features
A. NOTCHCELL repeater
Item SPEC Remark
Frequency bandwidth 15MHz
Toward Handset (Down Link)
Toward BTS (Up Link)
1950 ~1965MHz
1870 ~1885MHz
Input range (dBm)
-52 ~ -27dBm(DL),
-67 ~ -42dBm(UL)
Based on 11 carriers
DL 43dBm (20W) / Total
Max. Output power
UL 28dBm (0.631W) / Total
Based on 11 carriers
Gain range (dB) 70 ~ 95dB Max. gain ± 0.5dB
Gain control / Interval (dB) 25dB / 1dB
Maximum Gain 4dB max.
Noise figure
Minimum Gain 8dB max.
In band flatness 2dB max.
Absolute group delay 5 ㎲ max.
Interface RS-232 and Modem
VSWR 1:1.5 max.
Impedance 50 Ω
RF connector (Antenna Port) N-Female
Main Box 470*700*370mm
Size (W x H x D)
PSU Box 450*384*265mm
Main Box Less than 50Kg(95lbs)
Weight
PSU Box Less than 25Kg(55lbs)
<Table 2-2> Repeater Features
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