Ericsson small-cell category illustration — Illustration

RD 4442 B1B3

Name: Ericsson RD 4442 B1B3
Brand: Ericsson

What it does: Indoor radio communications. Operating RF bands / ranges: B1; B3.

1 part number: KRY901378/1

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Main specifications

TechnologiesB1: WCDMA; LTE; Massive IoT Cat-M1; B3: LTE; Massive IoT Cat-M1/in-band/guard-band

Operating RF bands / rangesB1; B3
Browse: B1 · B3

Uplink frequencyB1: 1920-1980 MHz; B3: 1710-1785 MHz

Downlink frequencyB1: 2110-2170 MHz; B3: 1805-1880 MHz

TX / RX modes2T2R per band in the RD + IRU system

RF output powerB1: 2 × 50 mW; B3: 2 × 50 mW

Interfaces / connectors1 x RJ45 RDI; integrated antennas (no external antenna connectors)

Interfaces and data ratesRDI signal/power link over one CAT cable through a Y-splitter to two IRUs

Power supplyPower supplied over RDI/CAT link; maximum heat dissipation 20 W

Installation environmentIndoor: ceiling panel, hard ceiling/concrete, pipe, rail or similar; wall mounting permitted with +35 C maximum ambient; two IRUs plus Y-splitter required

Additional technical information

Family: Radio Dot System radio dot
Weight: 424 g, mounting bracket excluded
Dimensions: A=140 mm; B=52 mm (manufacturer figure labels)
Bandwidth: B1: IBW 40 MHz; operational bandwidth 40 MHz; B3: IBW 40 MHz
Capacity: Per band: up to two LTE carriers (5/10/15/20 MHz); B1 also up to four WCDMA carriers; inter-band carrier aggregation and mixed WCDMA B1 + LTE B3; carriers in each half must be contiguous
Chassis: Compact indoor dual-band Radio Dot housing with passive cooling fins and integrated antennas
Modules: Two band sides (B1 and B3), integrated antennas, housing/cooling fins, two pairs of optical indicators and RDI interface
Functional role: PN KRY901378/1; Wireless transceiver / Radio Dot for B1+B3
For PN KRY901378/1.
Architecture: Integrated dual-band Radio Dot; one B1 and one B3 side, each 2T2R, connected through a Y-splitter to two IRUs
Subtype: PN KRY901378/1; Dual-band B1+B3 Radio Dot wireless transceiver
For PN KRY901378/1.
Details: Indoor office environment (ETSI 3.1); +5 to +40 C, reduced to +35 C for wall/enclosure mounting; 5-85% RH; convection cooled
Installation conditions: Ceiling; pipe/rail
Connection notes: 2 × IRU2242 via Y-splitter