BBU–RRU
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Huawei radio category illustration
Illustration
Huawei

RRU3278u

What it does: RF transmission / reception. Operating RF bands / ranges: 3500 (B42): 3520–3600 MHz.

1 part number: 02311JKH

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Main specifications

TechnologiesLTE TDD
Operating RF bands / ranges3500 (B42): 3520–3600 MHz
Browse: B42 · 3520–3600 MHz
Uplink frequency3520–3600 MHz (TDD shared UL/DL, Band 42)
Downlink frequency3520–3600 MHz (TDD shared UL/DL, Band 42)
TX / RX modes8T8R
RF output power8 × 20 W
Interfaces / connectors2 CPRI ports; ALD port capability: RET supported by CAL, RET; RET not supported by ANT_1, ANT_2, ANT_3, ANT_4, ANT_5, ANT_6, ANT_7, ANT_8
Interfaces and data rates2 CPRI ports, 4.9 or 9.8 Gbit/s, Star or ring; RET antenna control supports 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)
Weight
≤ 25 kg (without the housing)
Bandwidth
3500 (Band 42): IBW 80 MHz, OBW 80 MHz
Capacity
3500 MHz: 4 carriers. The bandwidth per carrier is 10, 15, or 20 MHz.
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); ingress protection: IP65
Functional role
Remote radio unit (RRU)
Architecture
V100R016C10: LTE TDD remote radio unit connected to the BBU by CPRI; direct optical link, cascading not supported, fiber length under 10 km
Subtype
LTE TDD remote radio unit
Details
V100R016C10: 2 × CPRI at 4.9/9.8 Gbit/s; LTE TDD cascading not supported; optical path to BBU <10 km
Connection notes
BBU via CPRI

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