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Ericsson

Radio 4415 B3

What it does: Radio transmission / reception. Operating RF bands / ranges: B3.

4 part numbers: KRC 161 637/1 / KRC 161 637/2 / KRC161637/1 …

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Main specifications

TechnologiesB3: G, L, MI, NR, ESS; 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).
Operating RF bands / rangesB3
Browse: B3
Uplink frequency1710–1785 MHz
Downlink frequency1805–1880 MHz
TX / RX modes4T4R
RF output power4 × 40 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 / connectors4 × 4.3-10 antenna; 2 × optical CPRI FullAXS LC/SFP; -48 V power; 2 × M6 ground; 14-pin DIN external alarm; 8-pin DIN ALD/RET
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
Power supply620–650 W; -36.0 to -58.5 V DC; 20 A fuse
FamilyRadio 4415
Installation environmentWall or pole mounting; install as an external-antenna ERS Radio
IP ratingIP65 outdoor class
Additional technical information
Dimensions
420 × 342 × 150 mm (H × W × D), without optional fan
Weight
20.0 kg without optional fan
Bandwidth
B3: IBW 75 MHz; operational bandwidth 75 MHz; conditions: [74] For Radio 4415 B3 KRC 161 637/1 and KRC 161 637/2 with R-state ≥ R5: GSM single mode: 20 MHz IBW per RF port. LTE single mode: 20 MHz IBW for 1.4 and 3 MHz carriers per RF port. 75 MHz IBW for 5 MHz carrier bandwidths and higher. Mixed Mode: 20 MHz IBW for GSM with maximum 20 W per GSM, 1.4 MHz and 3 MHz LTE carriers. IBW above 20 MHz with maximum 6.6 W per GSM carrier, 75 MHz IBW for 5 MHz LTE carriers and higher. Virtual IBW within the existing IBW. | [75] For Radio 4415 B3 KRC 161 637/1 with R-state < R5: GSM single mode: 20 MHz IBW per RF port. LTE single mode: 20 MHz IBW for 1.4 and 3 MHz carriers per RF port. 70 MHz IBW for 5 MHz carrier bandwidths and higher. Mixed Mode: 20 MHz IBW for GSM with maximum 20 W per GSM, 1.4 MHz and 3 MHz LTE carriers. 40 MHz IBW with maximum 6.6 W per GSM and 5 MHz LTE carriers or higher. Virtual IBW within the existing IBW. | [76] For Radio 4415 B3, KRC 161 637/2 with R-state < R5: GSM single mode: 20 MHz IBW per RF port. LTE single mode: 20 MHz IBW for 1.4 and 3 MHz carriers per RF port. 70 MHz IBW for 5 MHz carrier bandwidths and higher. Mixed Mode: 20 MHz IBW for GSM with maximum 20 W per GSM, 1.4 MHz and 3 MHz LTE carriers. 40 MHz IBW with maximum 6.6 W per GSM and 5 MHz LTE carriers or higher. 50 MHz IBW with 20 W per GSM and 15 MHz LTE carriers, valid only with 15 MHz LTE carriers and one GSM carrier per RF port. Virtual IBW within the existing IBW. | [7] Operational bandwidth is the actual bandwidth allocated for carriers.
Capacity
GSM: up to 12 carriers; WCDMA: up to 8 carriers; LTE: up to 6 carriers in MIMO; IBW up to 90 MHz
Synchronization
Traffic and timing signals are transported over the two optical CPRI links between Radio 4415 and the Radio System main unit
Chassis
Self-contained Radio 4415 Radio enclosure; optional external fan assembly
Modules
Optional fan assembly NTB101879/1: back cover SXK1253359/1 + fan BKV106208/1
Functional role
Radio 4415 outdoor ERS radio unit for an external antenna
Architecture
Self-contained wall/pole-mounted ERS Radio enclosure with external antenna and optical CPRI connection to baseband
Subtype
4T4R single-band Standard ERS Radio for 4 × 4 MIMO
Details
Acoustic noise 36–52 dB; operating temperature -40 to +55 °C; front wind load 260 N at 50 m/s
Connection notes
DU/Baseband via CPRI

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