BBU–RRU
EN
Huawei radio category illustration
Illustration
Huawei

RRU3806

What it does: RF transmission / reception. Operating RF bands / ranges: 2100, RX 1920–1980 MHz, TX 2110–2170 MHz.

2 part numbers: 02310EAP / 02310EAP; 02319575

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Main specifications

TechnologiesUMTS
Operating RF bands / ranges2100, RX 1920–1980 MHz, TX 2110–2170 MHz
Browse: 1920–1980 MHz · 2110–2170 MHz
Uplink frequency1920–1980 MHz
Downlink frequency2110–2170 MHz
TX / RX modes1T2R
RF output power1 × 80 W
Interfaces / connectors2 CPRI ports; ALD port capability: ANT_A: RET/TMA; ANT_B: TMA; RET port: RET
Interfaces and data rates2 CPRI ports, 1.25 or 2.5 Gbit/s, Star, chain, or ring; RET antenna control: AISG 1.1/2.0; 12 V feeding voltage; 2.3 A feeding current
Power supplyRRU3806 DC: -48 V DC; voltage range: -36 V DC – -57 V DC; RRU3806 AC: 200 V AC – 240 V AC single-phase; voltage range: 176 V AC – 290 V AC; 100/200 V AC – 120/240 V AC dual-phase; voltage range: 90/180 V AC – 135/270 V AC
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 ratingRRU3806 (DC): IP65; RRU3806 (AC): IP55
Additional technical information
Dimensions
RRU3806 DC: 480 mm x 270 mm x 140 mm (18 L, without the housing); 485 mm x 285 mm x 170 mm (23.5 L, with the housing); RRU3806 AC: 480 mm x 270 mm x 220 mm (28.5 L, without the housing); 485 mm x 285 mm x 250 mm (34.6 L, with the housing)
Weight
RRU3806 DC: 15 kg (without the housing); 17 kg (with the housing); RRU3806 AC: 20.5 kg (without the housing); 22.5 kg (with the housing)
Bandwidth
2100: IBW 25 MHz
Capacity
4 carriers
Synchronization
In mode CPRI: clock signal recovery from the incoming line; frame synchronization from REC
Chassis
Remote-radio enclosure/form factor; documented dimensions: RRU3806 DC: 480 mm x 270 mm x 140 mm (18 L, without the housing); 485 mm x 285 mm x 170 mm (23.5 L, with the housing); RRU3806 AC: 480 mm x 270 mm x 220 mm (28.5 L, without the housing); 485 mm x 285 mm x 250 mm (34.6 L, with the housing); ingress protection: RRU3806 (DC): IP65; RRU3806 (AC): IP55
Modules
Interface module, transceiver (TRX), power amplifier, filter, low-noise amplifier, extended interface and power module
Architecture
Distributed 1T2R remote radio unit: interface module links to the BBU/cascaded RRUs; one TX and two RX paths feed a duplex filter plus an RX filter
Details
Interface module exchanges baseband with the BBU and forwards cascaded-RRU data; TRX performs RF/IF conversion, A/D and D/A conversion, filtering and gain control; DPD/A-Doherty PA amplifies RF; filters multiplex RX/TX; LNA amplifies received signals
Connection notes
BBU via CPRI

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