BBU–RRU
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Ericsson

Baseband 5212

What it does: Baseband processing. Technologies: LTE FDD/TDD; WCDMA; GSM; LTE+GSM, LTE+WCDMA and LTE+WCDMA+GSM mixed modes.

1 part number: KDU137925/41

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Main specifications

FamilyBaseband 5212
TechnologiesLTE FDD/TDD; WCDMA; GSM; LTE+GSM, LTE+WCDMA and LTE+WCDMA+GSM mixed modes
CapacityLTE: 4000 connected users, 800 Mbps DL/400 Mbps UL, up to 12 cells, up to 1200 VoIP. WCDMA: 576 CE DL/2048 EUL CE UL and up to 12 cell carriers. GSM: up to 24 TRX. Values marked hardware-prepared in the guide; mixed-mode combinations have lower technology-specific limits.
SynchronizationRJ-45 SYNC input; synchronization can come from an interface such as GPS or over the transport network
ChassisCompact self-contained Baseband 52xx enclosure with manufacturer warranty seal
ModulesPluggable SFP/SFP+ optical/electrical transceiver modules on radio and transport interfaces
Functional roleSwitching, traffic management, timing, baseband processing, radio interfacing, transmission handling, external synchronization, and RBS power/climate control
Interfaces and data rates6 × SFP+ radio interfaces; TN A RJ-45 100 Mb/1 Gb Ethernet; TN B SFP+ 1/10 Gb Ethernet; TN C SFP+ 1 Gb Ethernet; IDL A/B Xcede IDLe/CPRI
Interfaces / connectors6 × SFP+ radio-interface connectors; RJ-45 SYNC; ET20 A −48 V DC; RJ-45/SFP+ transport connectors; Xcede IDL A/B
Power supply−48 V DC via ET20 A connector
Additional technical information
Installation environment
Installed as a Baseband unit in an RBS 6000 system; exact placement is defined by the applicable RBS Description
Dimensions
350 × 31 × 280 mm (height × width × depth)
Weight
< 4 kg
Bandwidth
LTE aggregate bandwidth: up to 960 MHz in single-mode; mixed LTE+GSM, LTE+WCDMA or LTE+WCDMA+GSM examples: up to 480 MHz
Architecture
Sealed integrated baseband unit performing timing, baseband processing, traffic/transport handling and RBS control; external radios connect through six SFP+ radio interfaces
Subtype
Compact RBS 6000 baseband unit
Details
Integrated functions: timing, loadable software, UL/DL baseband processing, traffic/transport handling, external synchronization, and RBS power/climate control
Installation conditions
Chassis RBS 6000
Connection notes
RU/RRU; IP-transport; GNSS; adjacent Baseband

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