BBU–RRU
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Ericsson radio category illustration
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Ericsson

RRUN9P-22

What it does: Converts and amplifies radio signals. TX / RX modes: 2 TRX; via 2 receiver by TRX for diversity reception; 2 antenna port TX/RX.

1 part number: KRC161170/1

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Main specifications

TechnologiesGSM with EDGE
TX / RX modes2 TRX; via 2 receiver by TRX for diversity reception; 2 antenna port TX/RX
RF output powerMaximum available output power 20 W per carrier
Interfaces / connectors2 × N female IEC 169-16 (ANT1/ANT2, TX/RX); optical connection OPT; entry −48 V DC for cable 2 × 6 mm² via cable gland Ø6–12 mm; grounding M8
Interfaces and data ratesOptical-fiber traffic/timing link to MU; 2 × N-female antenna connectors (ANT1 TX/RX, ANT2 TX/RX)
Power supply-48 V DC nominal; operating range -40 to -57.6 V DC; non-destructive range 0 to -60 V DC
FamilyRRUN9P-22
Installation environmentVertical, close to antenna; wall, pole or mast mounting; pole diameter 60–120 mm
Additional technical information
Dimensions
433 × 372 × 239 mm including sunshield
Weight
16.5 kg including sunshield
Capacity
Two carriers per RRU-N/sector; RBS supports up to three RRU-Ns for 1–3 sectors
Synchronization
Synchronization signals via optical link between MU and RRU-N
Chassis
Separate housing RRU-N with sun shield and cover for optical/power cable compartment
Modules
Dual-transceiver radio unit with integrated surge protection SPD; sunshield, cable compartment cover
Functional role
RBS 2111 remote radio unit mounted close to the antenna
Architecture
Remote dual-carrier radio unit Main-Remote RBS 2111 second-generation; optical connection to MU-12; diversity reception
Subtype
RRU-N remote radio unit
Details
Operating temperature −33…+50 °C; relative humidity 15–100%; cold start at −33 °C less than 0.5 h

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