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Ericsson radio category illustration
Illustration
Ericsson

Radio 4466 44B1 44B3 44B7 C

What it does: Radio transmission / reception. TX / RX modes: 4T4R on each band, using four combined RF ports total.

1 part number: KRC161923/1

Viewing: model overview

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Main specifications

TechnologiesB1: WCDMA, LTE FDD, Massive IoT/NB-IoT, NR FDD and ESS; B3: GSM only in mixed mode, LTE FDD, Massive IoT/NB-IoT, NR FDD and ESS; B7: LTE FDD, Massive IoT/NB-IoT, NR FDD and ESS; MI modes CM/IB/GB/SA
Uplink frequencyB1: 1920–1980 MHz; B3: 1710–1785 MHz; B7: 2500–2570 MHz
Downlink frequencyB1: 2110–2170 MHz; B3: 1805–1880 MHz; B7: 2620–2690 MHz
TX / RX modes4T4R on each band, using four combined RF ports total
Interfaces / connectors4 × 4.3-10 RF; 4 × LC optical on SFP28/FullAXS; DIN-14 EClight/external alarm; DIN-8 ALD/RET; 2 × -48 V DC power; dual-lug 2 × M6 ground
Interfaces and data ratesFour optical CPRI ports at 2.5/4.9/9.8/10.1/24.3 Gbps, with cascading and independent line-rate support; antenna-bias/ALD, RET, TMA supervision and two external alarms; up to two DU/Baseband endpoints
IP ratingIP65
Additional technical information
Family
PN KRC161923 / 1; Radio 4466
For PN KRC161923 / 1.
Dimensions
666 × 401 × 201 mm (H × W × D)
Weight
45.0 kg (±5%)
Installation environment
PN KRC161923/1; Indoor or outdoor; pole, wall, tower or mast mounting; normal operation -40 to +55 °C; optional fan required when cables do not point directly downward and in poor-ventilation/heat-trap cases
For PN KRC161923/1.
Power supply
PN KRC161923/1; -48 V DC; two 2-wire DC-C or 3-wire DC-I power connectors; average power consumption 700 W in the 2022 exact-PN specification
For PN KRC161923/1.
Operating RF bands / ranges
PN KRC161923/1; B1 + B3 + B7
For PN KRC161923/1.
RF output power
PN KRC161923/1; Up to 4 × 60 W per band; up to 640 W total across the three bands
For PN KRC161923/1.
Bandwidth
B1: 60 MHz IBW / 60 MHz operational (NB-IoT standalone: 20 MHz per RF port); B3: 75/75 MHz (GSM, 1.4/3 MHz LTE and NB-IoT standalone/carriers: 20 MHz IBW); B7: 70/70 MHz (NB-IoT standalone: 20 MHz per RF port)
Capacity
Triple-band simultaneous radio; four data ports; connection to at most two DUs/Baseband units; cascading supported in port pairs 1–2 and 3–4
Synchronization
Traffic and timing are transported over the optical CPRI interfaces; Node Group Synchronization is mandatory when two DUs/Baseband units share the radio
Chassis
Sealed IP65 Radio 4466 enclosure with integrated cooling fins/handles and optional external fan unit
Modules
Integrated TRX, MCPA, Filter Unit and DC/RET/alarm/RF surge-protection blocks; approved SFP modules in four optical ports; optional replaceable fan unit
Functional role
PN KRC161923/1; Outdoor 4T4R FDD triple-band radio for external antennas
For PN KRC161923/1.
Architecture
Self-contained triple-band radio with integrated TRX, three MCPAs per RF port, Filter Unit and input/interface surge protection; four shared RF branches, four optical CPRI data ports and optional external fan
Subtype
PN KRC161923/1; 4T4R common-port B1+B3+B7 FDD triple-band Radio 4466
For PN KRC161923/1.
Details
3GPP Wide Area base-station class; combined four-port RF configuration; minimum configured output per RF port 15 W (5 W per band), with HWAC required above 20 W total
Connection notes
DU/Baseband via CPRI

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