BBU–RRU
EN
Nokia radio category illustration
Illustration
Nokia

AHFII

What it does: Radio transmission / reception. Operating RF bands / ranges: B25; B2; B66; B4.

1 part number: 475656A

Viewing: model overview

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Main specifications

TechnologiesB25: LTE, NR B2: WCDMA, LTE, NR B66: LTE, NR B4/B10: WCDMA, LTE
Operating RF bands / rangesB25; B2; B66; B4
Browse: B25 · B2 · B66 · B4
Uplink frequencyB25 (includes B2): 1850–1915 MHz B66 (includes B4/10): 1710–1780 MHz
Downlink frequencyB25 (includes B2): 1930–1995 MHz B66 (includes B4/10): 2110–2200 MHz
TX / RX modes4T4R
RF output power480 W
Interfaces / connectorsDC IN 1 High power circular APPG; ANT 4 4.3-10; EAC 1 MDR26; OPT 3 SFP28; AISG 1 8-pin circular; GND 2 2 x M5 screw and 1 x M8 screw Located on the right side of the radio unit
Interfaces and data ratesDC IN 1 High power circular APPG; ANT 4 4.3-10; EAC 1 MDR26; OPT 3 SFP28 CPRI: 9.8 Gbps; Nokia IP seal; AISG 1 8-pin circular RS-485; GND 2 2 x M5 screw and 1 x M8 screw Located on the right side of the radio unit
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; –57.0 V DC to –60.0 V DC
FamilyAirScale
Installation environmentOutdoor
IP ratingIP65
Additional technical information
Dimensions
Height: Core RRH: 640 mm (25.20 in.) With mounting bracket and fan unit: 676 mm (26.61 in.); Width: Core RRH: 342 mm (13.46 in.) With side mounting bosses: 369 mm (14.53 in.); Depth: Core RRH: 116 mm (4.57 in.) With mounting bracket: 145 mm (5.71 in.)
Weight
max. 32 kg (70.6 lb)
Bandwidth
iBW/oBW DL/UL: B25 65 MHz; B66 DL 90 MHz, UL 70 MHz; B4 45 MHz. Channel WCDMA 3.8/4.0/4.2/4.4/4.6/4.8 MHz (4.8 default); LTE 1.4/3/5/10/15/20 MHz; NR 5/10/15/20/30/40 MHz
Capacity
Per path — up to 8 carriers, total band capacity B25/B66
Synchronization
Synchronization from system module via CPRI
Chassis
Remote radio unit housing RRH
Modules
RF primary control; dual-band TX/RX; PA SB; LNA; duplex filters; PSU
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
Pole / wall
Connection notes
Power supply; antenna system; baseband unit via optical fibre

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