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The pRRU5928 processes RF signals. It provides the following functions:

  • Modulates digital signals to a transmit frequency band, filters and amplifies these signals, and sends them to the antenna for transmission.
  • Receives RF signals from antennas, filters and amplifies these signals, down-converts the signals, converts them to digital signals, and sends them to the BBU/DCU for processing.
  • Transmits CPRI data over optical fibers or Ethernet cables.
  • Supports external antennas.
  • Supports DC and PoE power supply.
  • Supports flexible configuration for multi-mode multi-band operation.


Equipment Specifications Model
Frequency Bands 850 MHz + PCS + AWS + 2,600 MHz
Frequency Range 850 MHz: UL: 824 to 849 DL: 869 to 894
PCS: UL: 1,850 MHz to 1,910 MHz DL: 1,930 MHz to 1,990 MHz
AWS: UL: 1,710 MHz to 1,780 MHz DL: 2,110 MHz to 2,180 MHz
2,600 MHz: UL: 2,500 to 2,570 DL: 2,620 to 2,690
Mode 850 MHz: UMTS, LTE FDD, LTE NB-IoT, UL, UM, LM, and ULM
2,600 MHz: LTE FDD
IBW 850 MHz: 25
PCS: 60
AWS: 70
2,600 MHz: 70
RF Specifications Model
TX/RX channels LTE NB-IoT: 2T2R
LTE FDD: PCS/AWS/2,600 MHz: 2T2R
850 MHz: 1T1R/2T2R
Carrier Capacity UMTS (BBU access): 8 carriers (1T1R/1T2R)
LTE NB-IoT (BBU access + RF input): 4 (carriers + subbands) (2T2R)
LTE FDD (BBU access + RF input): 12 (carriers + subbands) (1T1R/2T2R)
UMTS (RF input): 12 subbands (1T1R)

In UMTS, up to two carriers are supported per subband.
UMTS 1T2R consumes two subbands.
LTE FDD 1T1R is supported only on 850 MHz.
Output Power 850 MHz: 2 x 70 mW
PCS: 2 x 175 mW
AWS: 2 x 175 mW
2,600 MHz: 2 x 175 mW
UMTS Receiver Sensitivity with One Antenna -112 dBm
LTE FDD/LTE TDD Receiver Sensitivity with One Antenna -94 dBm
NB-IoT Receiver Sensitivity with One Antenna -119.3 dBm
Engineering Indicators Model
Power Supply PoE power supply: –48V DC
Dimensions (H x W x D) 290 mm x 210 mm x 87 mm
Weight ≤ 7 kg
Typical Power Consumption for an RRU Typical Power Consumption (50% Load): 71
Maximum Average Power Consumption (100% Load): 75
Operating Temperature With sunlight exposure of 1,120 W/m2: –40°C to +50°C
Without sunlight exposure: –40°C to +55°C

At a temperature from –40°C to –20°C, the pRRU can work without fulfilling performance requirements. At a temperature from –20°C to +55°C, the pRRU can fulfill the performance requirements.
Protection Rating IP65
Relative Humidity 5% RH to 95% RH
Air Pressure 70 kPa to 106 kPa
Surge Protection Specifications Differential mode: 0.5 kV (1.2/50 μs)
Common mode: 1.0 kA (8/20 μs) for grounding a pair of PGND cables 3.0 kA (8/20 μs) for grounding eight PGND cables
CPRI Specifications Model
Number of CPRI Ports RJ45: 1
SFP: 1
CPRI Data Rate RJ45: 10.1 Gbit/s
SFP: 10.1 Gbit/s
Topology RJ45: Star topology
SFP: Star topology
Maximum Distance RJ45: At least CAT6a S/FTP shielded Ethernet cables are used. The maximum Ethernet cable length is 100 meters and can be extended to 200 meters through a 10.1 Gbit/s extender.
SFP: The maximum distance between a pRRU and an RHUB is 200 meters if a 1.5 square-millimeter optical/electrical hybrid cable is used.

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