BBU–RRU
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Huawei radio category illustration
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Huawei

RRU5904

What it does: RF transmission / reception. Operating RF bands / ranges: Variant-dependent: 1800 MHz (B3/n3); 2100 MHz (B1/n1).

6 part numbers: 02311UWH / 02311UWT / 02312EEM …

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Main specifications

Technologies1800 variant: GSM, LTE FDD, LTE NB-IoT and NR FDD; 2100 variant: UMTS, LTE FDD and NR FDD
Operating RF bands / rangesVariant-dependent: 1800 MHz (B3/n3); 2100 MHz (B1/n1)
Browse: B3 · n3 · B1 · n1
Uplink frequency1800 variant: 1710–1785 MHz; 2100 variant: 1920–1980 MHz
Downlink frequency1800 variant: 1805–1880 MHz; 2100 variant: 2110–2170 MHz
TX / RX modes4T4R
RF output powerRRU5904 (1800 MHz): 4 × 60 W; RRU5904 (2100 MHz): 4 × 60 W
Interfaces / connectors4 × 4.3-10 female RF (A/B support RET); 1 × DB9 female RET; 2 × SFP female CPRI; male fast DC power connector; ALD port capability: ANT_A: RET/TMA; ANT_B: RET/TMA; ANT_C: TMA; ANT_D: TMA; RET port: RET/TMA
Interfaces and data rates2 CPRI ports, 1.25, 2.5, 4.9, or 9.8 Gbit/s, Star, chain, or dual- star; RET antenna control supports AISG 1.1/2.0/3.0; 12 V feeding voltage; 2.3 A feeding current
Power supply-48 V DC; voltage range: -36 V DC – -57 V DC
FamilyHuawei 3900 & 5900 Series Base Station RRU
Installation environmentOperating environment: ETSI EN 300019-1-4 V2.1.2 (2003-04) Class 4.1, "Non-weatherprotected locations".
IP ratingIP65
Additional technical information
Dimensions
400 × 300 × 150 mm (body); 420 × 300 × 170 mm including protective structure
Weight
22 kg without housing
Bandwidth
IBW: 1800 MHz 45 MHz; 2100 MHz 60 MHz. LTE FDD carrier bandwidth: 5, 10, 15 or 20 MHz; NR SUL carrier bandwidth in the listed LN/GLN/ULN configurations: 15 or 20 MHz
Capacity
RRU5904 (1800 MHz): GSM: 8 carriers LTE FDD: 3 carriers. The bandwidth per carrier is 5, 10, 15, or 20 MHz. LTE NB-IoT: 1 carrier NR (SUL): 1 carrier; RRU5904 (2100 MHz): UMTS: 8 carriers without MIMO; 4 carriers with MIMO LTE FDD: 3 carriers. The bandwidth per carrier is 5, 10, 15, or 20 MHz. NR (SUL): 1 carrier
Synchronization
In mode CPRI: clock signal recovery from the incoming line; frame synchronization from REC
Chassis
Self-contained DC blade RRU enclosure; 400 × 300 × 150 mm body
Modules
Fixed internal high-speed interface module, signal processing unit, power amplifier, duplexer, extension ports, and power module
Functional role
Remote radio unit (RRU)
Architecture
Software-defined DC blade RRU; CPRI baseband link to BBU/cascaded RRU; fixed RF/IF signal-processing, power-amplifier, duplexer and power blocks
Subtype
Multimode remote radio unit
Details
Documented variants: 1800 and 2100 MHz; both are 4T4R with maximum 4 × 60 W
Connection notes
BBU / upstream or downstream RRU; antenna; RET RCU

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