BBU–RRU
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Huawei radio category illustration
Illustration
Huawei

RRU3841

What it does: RF transmission / reception. Operating RF bands / ranges: AWS (B4), RX 1710–1755 MHz, TX 2110–2155 MHz.

1 part number: 02310FVY

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Main specifications

TechnologiesLTE FDD, LM
Operating RF bands / rangesAWS (B4), RX 1710–1755 MHz, TX 2110–2155 MHz
Browse: B4 · 1710–1755 MHz · 2110–2155 MHz
Uplink frequency1710–1755 MHz
Downlink frequency2110–2155 MHz
TX / RX modes4T4R
RF output power4 × 30 W
Interfaces / connectors2 CPRI ports; ALD port capability: ANT_A: RET/TMA; ANT_B: RET/TMA; ANT_C: no RET/TMA; ANT_D: no RET/TMA; RET port: RET
Interfaces and data rates2 CPRI ports, 1.25, 2.5, or 4.9 Gbit/s, Star, chain, or ring; RET antenna control: AISG 1.1/2.0; 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
480 mm x 356 mm x 140 mm (24 L, without the housing); 485 mm x 380 mm x 170 mm (31 L, with the housing)
Weight
≤ 24.5 kg (without the housing); ≤ 26 kg (with the housing)
Bandwidth
AWS (Band 4): IBW 40 MHz
Capacity
LTE FDD: 2 carriers. The bandwidth per carrier is 1.4, 3, 5, 10, 15, or 20 MHz. LTE NB-IoT: 1 carrier
Synchronization
In mode CPRI: clock signal recovery from the incoming line; frame synchronization from REC
Chassis
Remote-radio enclosure/form factor; documented dimensions: 480 mm x 356 mm x 140 mm (24 L, without the housing); 485 mm x 380 mm x 170 mm (31 L, with the housing); ingress protection: IP65
Modules
, DC execution: SFP optical modules at the two CPRI0/IR0 and CPRI1/IR1 interface positions
Functional role
Remote radio unit (RRU)
Architecture
Remote radio unit 4T4R distributed base station; connection to BBU via two ports CPRI
Subtype
Remote radio unit
Details
, DC execution: 4 RF TX/RX ports (A/B/C/D), RET, 2 optical/electrical CPRI ports and external-alarm port; installation on pole, U-steel, angle steel or wall
Connection notes
BBU via CPRI

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