Model number: MU: CRF-RO1821-MU00-NF; RU: CRF-RO1821-RU43-NF
DCS-LTE1800&WCDMA2100 Dual-band Fiber Optical Repeater 20W
1. RF Specification:
Parameter
Uplink
Downlink
LTE FDD 1800 Band
1710 - 1785 MHz
1805 - 1880 MHz
LTE FDD 2100 Band
1920 - 1980 MHz
2110 - 2170 MHz
Max. Output Power
-10dBm
43dBm/band
Max. Gain
55dB
55dB
ATT Adjustable Range
30dB, Step 1dB
30dB, Step 1dB
ATT Adjustable Error
≤ |±1.5|dB
≤ |±1.5|dB
ALC Range
20dB
20dB
ALC Accuracy
≤ |±2.0| dB
≤ |±2.0| dB
Max. nondestructive input power
20dBm
20dBm
Frequency Error
≤ ±0.05ppm
Intermodulation
≤ -50dBc
ACLR
≥ 45dBc/5MHz; ≥50dBc/10MHz
PCDE
≤ -45dBc
ACPR
≤ -45dBc
EVM
≤ 6%
Frequency Range
LTE FDD 1800 Band
≤ 6dB
≤ 6dB
LTE FDD 2100 Band
≤ 5dB
≤ 5dB
0.05MHz≤f_offset<5.05MHz
7  f _ offset

− 7dBm− ⋅ 
− 0.05dB
5  MHz

7  f _ offset

− 7dBm− ⋅ 
− 0.05dB
5  MHz

5.05MHz≤f_offset<10.05MHz
-14dBm/100kHz
-14dBm/100kHz
10.5MHz≤f_offset<max
-15dBm/30kHz
-15dBm/30kHz
9kHz~150kHz
≤ -36dBm /1KHz
≤ -36dBm/1KHz
150kHz~30MHz
≤ -36dBm/10KHz
≤ -36dBm/10KHz
30MHz~1GHz
≤ -36dBm@100KHz
≤ -36dBm@100KHz
1GHz~12.75GHz
≤ -20dBm@1MHz
≤ -20dBm@1MHz
Time Delay
≤ 5us
≤ 5us
VSWR
≤ 1.5
≤ 1.5
Noise Figure
≤ 5.0
/
Ripple In Band
(p-p)
Spectrum Emission
Mask PAR=8
Spurious Emission
(at out of band offset
±10MHz)
2. Optical Specification:
Optical Connector
Optical Wavelength
Optical Output Power
MU
FC/APC * 4, Independent optical path
RU
FC/APC * 1
MU
TX: 1550nm / RX: 1310nm, Single Mode
RU
TX: 1310nm / RX: 1550nm, Single Mode
MU
-2dBm ±3
RU
4dBm ±3
Fiber optic path attenuation range
0 to 7dB, Max 10dB
Fiber core number from MU to 1 RU
1 core, Single Mode
3. Mechanical and electric Specification:
CenRF Communications
Page 1 of 3
V3.0
Model number: MU: CRF-RO1821-MU00-NF; RU: CRF-RO1821-RU43-NF
RF Connector
Power Supply
Power Consumption
Dimension
Weight
Environmental Class
Operating Temperature
Humidity
Control Function
MU
N(F) * 1
RU
N(F) * 1
MU
DC -48V, ±20%
RU
AC 220V, ±20%
MU
≤80W
RU
≤300W
MU
482*300*44mm
RU
489*409*186.5mm
MU
8Kg
RU
35Kg
MU
IP20 (Indoor)
RU
IP55 (Outdoor) + Fan + “H” Frame
MU
-5 to +45 ℃
RU
-25 to +55 ℃
MU
0 to 80%
RU
0 to 95%
MU
Local: mini USB (External)
Remote: GSM/UMTS900/1800/2100 Modem)
RU
Local: mini USB (Internal)
4. System Diagram
CenRF Communications
Page 2 of 3
V3.0
Model number: MU: CRF-RO1821-MU00-NF; RU: CRF-RO1821-RU43-NF
5. Machine Drawing
MU:
Front panel
Unit：mm
RU:
CenR F
Unit：mm
Unit：mm
CenRF Communications
Page 3 of 3
V3.0