Same product family
Ericsson
mRRUS 12 B2
What it does: Radio transmission / reception. Operating RF bands / ranges: B2.
8 part numbers: KRC 161 328/1 / KRC 161 328/2 / KRC 161 328/3 …
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Viewing: model overview
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Main specifications
TechnologiesB2: W, L, MI; conditions: [3] ESS (Ericsson Spectrum Sharing) is a software feature. | [4] Lists support for the following standards: MI Cat-M1 (CM), MI NB-IoT in-band (IB), MI NB-IoT guard band (GB), and MI NB-IoT standalone (SA).
Uplink frequency1850–1910 MHz
Downlink frequency1930–1990 MHz
TX / RX modes2T2R
RF output power2 × 5 W; conditions: [5] Requires HWACs (not valid for RUG). | [6] For information on possible power back off or band edge loss, contact Ericsson Technical Sales Support.
Interfaces / connectors2 × optical SFP; 2 × N-type 50-ohm antenna (when external-antenna variant); external-alarm port; AC L/L-N/PE or -48 V/RTN power; ground lug
Interfaces and data rates2 optical CPRI/SFP ports (Data 1 in, Data 2 out) carrying traffic and timing, up to 5 Gbit/s; 2 N-type RF ports or optional integrated antenna; 2 external alarms; maintenance/indicator interface; AC or DC power; ground
Power supplyAC version: 100–250 V nominal (85–275 V tolerance), 50–60 Hz; DC version: -48 V nominal (-58.5 to -38.0 V input). Minimum fuse 4 A AC or 6 A DC; maximum 32 A
FamilymRRUS 12
Installation environmentIndoor or outdoor; wall, under-roof, pole or mast mounting. Horizontal under-roof mounting is exceptional and requires rear solar-shield removal and clearances; external SPD required where exposed to lightning
IP ratingIP55
Additional technical information
- Dimensions
- 460 × 265 × 140 mm (H × W × D) with solar shield, handle and feet; 380 × 240 × 121 mm without
- Weight
- 10 kg
- Bandwidth
- B2: IBW 25 MHz; operational bandwidth 20 MHz; conditions: [7] Operational bandwidth is the actual bandwidth allocated for carriers.
- Synchronization
- Traffic and timing signals over two optical CPRI interfaces between mRRUS 12 and the main unit
- Chassis
- Self-contained outdoor IP55 mRRUS 12 enclosure with front/rear solar shields, aluminium heatsink and installation hatch
- Modules
- Integrated AC or DC PSU; optional integrated antenna; 2 approved pluggable SFP modules; optional TX-monitor or semi-integrated omni antenna
- Functional role
- Low-power micro remote radio for dense urban and heterogeneous-network coverage
- Architecture
- Warranty-sealed integrated micro RRU with radio-processing hardware and AC or DC PSU; optional integrated antenna; optical star/cascade connection to a main unit or expanded macro RBS
- Subtype
- 2T2R micro multi-standard remote radio unit
- Details
- No acoustic noise; convection cooled; maximum heat dissipation 140 W at 2 × 5 W RF output; normal environment -40 to +55 °C and 5–100% RH; designed MTBF 50 years at 20 °C
- Connection notes
- DU/Baseband via CPRI
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