Nokia radio category illustration — Illustration

FRMB

Name: Nokia FRMB
Brand: Nokia

What it does: Radio transmission / reception. Operating RF bands / ranges: 800 MHz (EU).

1 part number: 472291A

Viewing: model overview

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Main specifications

TechnologiesFDD-LTE

Operating RF bands / ranges800 MHz (EU)

Uplink frequency832-862 MHz

Downlink frequency791-821 MHz

TX / RX modes2T2R

RF output power2 × 40 W

Interfaces / connectors2 × 7/16 ANT; 2 × SFP OPT; 1 × 3-screw terminal DC IN; 2 × SMA RX; 1 × 8-circular contact RET; 1 × D-sub MDR14 EAC; 1 × 2 × 15-contact LMP

Interfaces and data rates2 × SFP, 3 Gbit/s; 1 × RET; 1 × EAC; 1 × LMP

Power supplyNominal supply voltage: -48.0 V DC; Nominal input voltage range: -40.5 V DC to -57.0 V DC; Extended input voltage range: -36.0 V DC to -40.5 V DC -57.0 V DC to -60.0 V DC

FamilyFlexi

Installation environmentpole/wall installation; directly on the wall installation

IP ratingIP65

Additional technical information

Dimensions: Height: 514 mm (20.3 in.); Width: 326 mm (12.8 in.); Depth: 148 mm (5.8 in.)
Weight: Without solar shield and mounting shroud: 17.3 kg (38.1 Ib)
Bandwidth: DL instantaneous bandwidth: 20 MHz; UL instantaneous bandwidth: 20 MHz; DL filter bandwidth: 30 MHz; UL filter bandwidth: 30 MHz
Capacity: SRAN17A/17A MP1, 1L2: one RRH, single carrier LTE up to 20 MHz, 2T2R; 1 × OBSAI 3 Gbit/s
Synchronization: Synchronization from system module via OBSAI
Chassis: Remote radio unit housing Flexi RRH
Modules: Integrated: RF control; 2 transmit paths with PA; 2 receive paths with LNA; TX/RX-filters; PSU
Functional role: Remote base station radio unit
Architecture: Remote radio unit (Remote Radio Head)
Subtype: Flexi Remote Radio Head 2TX 800EU
Details: Minimum operating temperature, including cold start: −40 °C; maximum external: +55 °C in the shade, +50 °C in sunlight; indoor without fan: +45 °C. Output power may be limited during sustained high temperatures.
Installation conditions: Mast; wall
Connection notes: External antenna; optical fronthaul system BTS; power supply; RET/ALD