BBU–RRU
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Ericsson radio category illustration
Illustration
Ericsson

Radio 4419 B7B

What it does: Radio transmission / reception. Operating RF bands / ranges: B7B.

1 part number: KRC161883/1

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Main specifications

TechnologiesLTE; Massive IoT (Cat-M1, NB-IoT in-band/guard-band/standalone); NR; Ericsson Spectrum Sharing
Operating RF bands / rangesB7B
Uplink frequency2520–2570 MHz
Downlink frequency2640–2690 MHz
TX / RX modes4T4R
RF output power4 × 64 W maximum
Interfaces / connectors4 × 4.3-10 TxRx RF; 2 × LC on SFP+ with FullAXS; DIN-14 fan/EC-light/external alarms; DIN-8 ALD/RET; -48 V DC power connector; 2 × 6 mm dual-lug ground
Interfaces and data rates2 data port(s); cascading support: yes; different line rates on different ports: yes; CPRI line rates: 2.5, 4.9, 9.8, 10.1 Gbps; DIN-14 fan/EC-light/external alarms; DIN-8 ALD/RET
Power supply-48 V DC
FamilyRadio 4419
Installation environmentWall or pole with rail; pole with Single/Dual ERS Bracket or Multi ERS Bracket XL; behind or below the antenna; bookshelf or portrait orientation; specified wall/pole alternatives require the optional fan
Additional technical information
Bandwidth
IBW 50 MHz; operational bandwidth 50 MHz; NB-IoT standalone is limited to 20 MHz IBW per RF port
Synchronization
When operated over its documented classic CPRI interface: CPRI slave synchronization; the radio recovers the incoming CPRI bit clock for radio/link transmission and receives time information from the REC/Baseband
Chassis
Self-contained Radio 4419 enclosure with rail/ERS-bracket mounting interfaces and an optional externally attached fan unit
Modules
Ericsson-approved pluggable SFP optical modules; optional externally attached fan unit
Functional role
Ericsson Radio System remote RF radio unit for Band 7B
Architecture
Radio Equipment (RE) side of a classic CPRI fronthaul; 2 data port(s); cascading support: yes; different line rates on different ports: yes; CPRI line rates: 2.5, 4.9, 9.8, 10.1 Gbps; DIN-14 fan/EC-light/external alarms; DIN-8 ALD/RET; 4T4R; clock and time are recovered from the REC/Baseband at the CPRI slave interface
Subtype
Ericsson RF Radio Equipment using classic CPRI fronthaul; 4T4R
Details
Five optical indicators (fault, operational, maintenance, interface 1 and interface 2), one maintenance button, fan/EC-light control and external-alarm support
Connection notes
DU/Baseband via CPRI

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