AAFB

Name: Nokia AAFB
Brand: Nokia

What it does: B25 radio transmission. Operating RF bands / ranges: B25/n25.

1 part number: 474186A.102

Viewing: model overview

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Main specifications

TechnologiesLTE-FDD; NR-FDD (with software, supporting NR); NB-IoT in-band/guard-band/standalone

Operating RF bands / rangesB25/n25
Browse: B25 · n25

Uplink frequency1850–1915 MHz (B25/n25)

Downlink frequency1930–1995 MHz (B25/n25)

TX / RX modes16T16R

RF output power100 W (16 × 6.25 W)

Interfaces / connectors1 × two-pin circular DC; 2 × SFP+; 16 × RF 4.3-10 blind-mate (50 Ohm); grounding 2 × M5/1 × M8; Microfit fan

Interfaces and data rates2 × CPRI 9.8 Gbit/s

Power supply−48 V DC nominal; −40.5…−57 V nominal input; −36…−60 V extended

FamilyAirScale

Installation environmentAs part of the active antenna AAFIA/AAFIB/AAFIC; assembly mounts on a mast or wall

Additional technical information

Bandwidth: LTE/NR cBW: 5/10/15/20 MHz; iBW UL/DL: 65 MHz; LTE — total carrier bandwidth up to 40 MHz
Capacity: Carriers per path: up to 2
Synchronization: Synchronization from system module via CPRI
Chassis: Dedicated reinforced aluminum housing for the radio submodule
Modules: Spine card; boards baseband/RF; filter; optional cooling fan
Functional role: Active antenna radio submodule MAA, 16T16R B25
Architecture: RF sub-assembly B25/n25 for active antennas AAFIA/AAFIB/AAFIC
Subtype: Radio submodule MAA
Details: Optional cooling fan powered via Microfit; DL-modulation QPSK/16QAM/64QAM/256QAM
Installation conditions: Active antenna assembly AAFIA
Connection notes: Baseband unit via optical fibre; power supply