Nokia · Baseband & Digital Units

Nokia Flexi and AirScale system modules

Nokia calls the baseband a system module, and as with its radio hardware the platform split governs everything: FSMF and FSIH are Flexi system modules, ASIA, ASIB, ABIA and ABIO are AirScale. A Flexi radio needs a Flexi system module and an AirScale radio needs an AirScale one, so the system module is usually the item that determines whether a site can be expanded at all or has to be replaced wholesale. The modules listed here cover both generations, and Flexi is the one operators most often cannot buy new.

How to read these part numbers

The four-letter product code identifies the module and its generation. Codes beginning `FS` are Flexi system modules — FSMF, FSIH — while codes beginning `AS` and `AB` are AirScale: ASIA and ASIB are AirScale system modules, ABIA and ABIO are AirScale baseband plug-in units. The accompanying part number in the form `474020B.101` gives the hardware variant after the dot, and variants within one code can differ in capacity. Quote the four-letter code and the full part number including the suffix.

Equipment reference

22 of 22 items

085420A.102

Model
FSMF
Compatibility
On enquiry
Band / Interface
Power connector
Condition
On enquiry
Lead Time
On enquiry

085570A.102

Model
FSIH CORE
Compatibility
On enquiry
Band / Interface
Baseband Station Unit motherboard
Condition
On enquiry
Lead Time
On enquiry

086386A (995572A + 995298A)

Model
Site Bag for FBBC
Compatibility
On enquiry
Band / Interface
On enquiry
Condition
On enquiry
Lead Time
On enquiry

472181A

Model
FSMF
Compatibility
On enquiry
Band / Interface
Base Station Equipment for NOKIA BTS BBU
Condition
On enquiry
Lead Time
On enquiry

472181A.102

Model
FSMF
Compatibility
On enquiry
Band / Interface
On enquiry
Condition
On enquiry
Lead Time
On enquiry

472182A

Model
FBBA
Compatibility
On enquiry
Band / Interface
On enquiry
Condition
On enquiry
Lead Time
On enquiry

472182A

Model
FBBA 084796A
Compatibility
On enquiry
Band / Interface
On enquiry
Condition
On enquiry
Lead Time
On enquiry

472182A 103

Model
FBBA
Compatibility
On enquiry
Band / Interface
On enquiry
Condition
On enquiry
Lead Time
On enquiry

472182A.103

Model
FBBA
Compatibility
On enquiry
Band / Interface
High capacity System Module with multiradio capability
Condition
On enquiry
Lead Time
On enquiry

472567A.101

Model
FSIH
Compatibility
On enquiry
Band / Interface
4G LTE
Condition
On enquiry
Lead Time
On enquiry

472797A

Model
FBBC
Compatibility
On enquiry
Band / Interface
On enquiry
Condition
On enquiry
Lead Time
On enquiry

473095A.202

Model
On enquiry
Compatibility
On enquiry
Band / Interface
ASIA
Condition
On enquiry
Lead Time
On enquiry

473096A.103

Model
ABIA
Compatibility
On enquiry
Band / Interface
Airscale capacity card
Condition
On enquiry
Lead Time
On enquiry

473096A.103

Model
Nokia ABIA
Compatibility
On enquiry
Band / Interface
Signal Processor, Airscale Capacity Card
Condition
On enquiry
Lead Time
On enquiry

473764A.102

Model
ASIB
Compatibility
On enquiry
Band / Interface
5G NR
Condition
On enquiry
Lead Time
On enquiry

473952A

Model
AMOB
Compatibility
On enquiry
Band / Interface
AIRSCALE SYSTEM MODULE OUTDOOR SUBRACK
Condition
On enquiry
Lead Time
On enquiry

474657A.101

Model
APHA
Compatibility
On enquiry
Band / Interface
AIRSCALE INDOOR RADIO ASIR-HUP
Condition
On enquiry
Lead Time
On enquiry

474933A.101

Model
AHENB
Compatibility
On enquiry
Band / Interface
AIRSCALE INDOOR RADIO ASIR-ANT
Condition
On enquiry
Lead Time
On enquiry

475266A

Also: 475266A.104

Model
ABIO
Compatibility
On enquiry
Band / Interface
5G NR
Condition
On enquiry
Lead Time
On enquiry

995572A

Model
Power cable assembly FBBC
Compatibility
On enquiry
Band / Interface
On enquiry
Condition
On enquiry
Lead Time
On enquiry

AMOB 473952A

Model
AMOB
Compatibility
On enquiry
Band / Interface
Airscale System Module Outdoor Subrack
Condition
On enquiry
Lead Time
On enquiry

Nokia 474020B.101

Model
On enquiry
Compatibility
On enquiry
Band / Interface
5G NR
Condition
On enquiry
Lead Time
On enquiry

Cannot find a part number? Send us the number and we will identify and price it.

Ordering notes

Confirm your platform generation first, then the capacity you need expressed in cells and carriers per technology rather than as a module name. State the software release, because Nokia enforces release dependencies on system modules as firmly as on radios. If you are expanding an existing site, tell us what is already installed and how many plug-in slots are free — an AirScale system module accepts baseband plug-ins and the useful question is often which plug-in to add rather than which module to buy.

Lifecycle and availability

Flexi system modules are end-of-sale and progressing through end-of-support; they are supplied here as new surplus and refurbished stock with CRS PLUS warranty. AirScale system modules and baseband plug-ins remain in production. Status is given per line.

Equipment condition

New — factory-sealed, supplied through the manufacturer's authorised channel or an authorised distributor, with full manufacturer warranty.

New surplus — unused factory stock, original packaging where available, sourced from decommissioned projects or distributor inventory. Manufacturer warranty may have lapsed; CRS PLUS warranty applies.

Refurbished / tested — previously deployed equipment, cleaned, firmware-checked and functionally tested against the manufacturer's specification before shipment. CRS PLUS warranty applies.

Condition is confirmed in writing on every quotation before you commit to an order.

Warranty

Warranty terms vary by item, by condition and by the supplier the equipment is sourced from. They are stated in writing on the quotation, per line item, before you commit to an order.

Where equipment is supplied new through an authorised channel, the manufacturer's warranty applies and is passed to you.

Send us the part numbers you need and we will confirm warranty terms alongside availability, condition, lead time and price.

Frequently asked questions

No. The platforms are not cross-compatible, and this is the single most consequential fact in any Nokia hardware decision. Extending a Flexi site means sourcing Flexi hardware, or replacing the radio and system module together.

Related pages

Manufacturer names, product names and part numbers are the property of their respective owners and are used here for identification purposes only. CRS PLUS sources these products through its verified supplier network and is not an authorised distributor or agent for any manufacturer listed.

This catalogue is compiled from our supplier network's available inventory and from manufacturer product documentation, and is reviewed monthly. Listing does not indicate stock held by CRS PLUS — availability, condition and lead time are confirmed per enquiry. Last reviewed: 22 August 2026.

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