BBU–RRU
EN
Nokia radio category illustration
Illustration
Nokia

AHFIG

What it does: Radio transmission / reception. Operating RF bands / ranges: B4; B25; n25; B66; n66.

1 part number: 475125A

Viewing: model overview

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Main specifications

TechnologiesB25: LTE, NR B2: GSM, WCDMA, LTE, NR B66: LTE, NR B10/B4: WCDMA, LTE
Operating RF bands / rangesB4; B25; n25; B66; n66
Browse: B4 · B25 · n25 · B66 · n66
Uplink frequencyB4: 1710−1755 MHz B25/n25: 1850–1915 MHz B66/n66: 1710–1780 MHz
Downlink frequencyB4: 2110−2155 MHz B25/n25: 1930–1995 MHz B66/n66: 2110–2200 MHz
TX / RX modes4T4R
RF output power480 W
Interfaces / connectorsDC IN 1 Terminal block; ANT 4 4.3-10+; RET 1 8-pin circular AISG; EAC 1 MDR-26; OPT 2 SFP+ (R2CT); GND 1 M8 or dual M5 screws; FAN 1 Nokia fan
Interfaces and data ratesDC IN 1 Terminal block Max wire gauge 4 AWG with max strand diameter 7 mm (max 105 strands); ANT 4 4.3-10+ AISG on all ports and BiasT support on ANT1 & ANT3; has features that prevent damage if mating with a 4.1-9.5 connector is attempted; RET 1 8-pin circular AISG RS485; EAC 1 MDR-26 4 inputs and 1 control output; OPT 2 SFP+ (R2CT) Up to 9.8 Gbps (CPRI7); R2CT IP seal; GND 1 M8 or dual M5 screws; FAN 1 Nokia fan Located on the heat sink side
Power supplyNominal power supply: –48.0 V DC; Operating range: –40.5 V DC to –57.0 V DC; Extended range: –36.0 V DC to –40.5 V DC; –50 V DC to –60.0 V DC
FamilyAirScale
Installation environmentOutdoor
IP ratingIP65
Additional technical information
Dimensions
Height: With fan unit: 730 mm (28.74 in.); Width: Core RRH: 308 mm (12.13 in.) With mounting bracket: 327 mm (12.87 in.); Depth: Core RRH: 131 mm (5.15 in.) With mounting bracket: 142 mm (5.59 in.)
Weight
Core RRH: 32 kg (70.6 lb)
Bandwidth
iBW/oBW: B4 45 MHz; B25/n25 65 MHz; B66/n66 80 MHz. Channel LTE 1.4/3/5/10/15/20 MHz; NR 5/10/15/20 MHz
Capacity
Per path — up to 8 carriers (total for all supported) RAT
Synchronization
Synchronization from system module via CPRI
Chassis
Remote radio unit housing RRH
Modules
Optional modules: APAM AirScale AC-DC power unit 2300 W (475766A)
Functional role
Remote radio transceiver unit
Architecture
Separate radio unit with optical fronthaul and external antenna connectors
Subtype
RRH
Details
Min.. operating temperature: –40°C (–40°F); Max.. operating temperature: 55°C (131°F); Cooling: forced (fan)
Installation conditions
Mast; wall
Connection notes
Power supply; antenna system; RET antennas; baseband unit via optical fibre

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