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Nokia ESMB

Nokia Siemens Networks 472109A.102 ESMB Flexi Multiradio BTS Unit

There are two variants of Flexi Multiradio System Module,with integrated

baseband processing capacity,ESMB for up to 18 and ESMC for up to 36

GSM/EDGE TRX capacities.

  • Min.Order Quantity::

    1 pc
  • Price::

    Negotiable
  • Delivery Time::

    3-5 days
  • warranty time::

    six months
  • Place of Origin::

    China
  • Payment Terms::

    T/T, Western Union, MoneyGram
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Nokia Siemens Networks 472109A.102 ESMB Flexi Multiradio BTS Unit

Product Description  

New Flexi Multiradio BTS units

This section describes the new units in Flexi Multiradio BTS, The details of other, already existing units reused in Flexi Multiradio Solution (e.g. FSMx, Transmission Modules and other optional units) can be found in the respective Product Description documents for Flexi EDGE and Flexi WCDMA.


Flexi EDGE 18/36 TRX System Module

The new NOKIA ESMB Flexi EDGE 18/36 TRX System module provides the GSM/EDGE specific functionality within the Multiradio BTS. It stores and runs the GSM/EDGE BTS SW and provides the GSM/EDGE specific external and internal BTS functions.

There are two variants of Flexi Multiradio System Module; with integrated baseband processing capacity: ESMB for up to 18 and ESMC for up to 36 GSM/EDGE TRX capacities. The ESMC provides maximum capacity, however in most applications the capacity of ESMB is sufficient. As the ESMB can be duplicated and chained, operator can start the site build-out either with ESMB or ESMC with both tracks providing expansion path to maximum system capacity (36TRX/BCF).

EDGE System Module has following main functions:

GSM/EDGE BTS O&M,

Abis and transport,

OBSAI connectivity,

power distribution to the radios,

GSM/EDGE baseband

BTS synchronization.

The BTS O& function in Flexi Multiradio System module unit takes care of Radio Software management, Configuration management, alarm handling and recovery, reference clock management and externals alarms and controls.

ESMB/ESMC has an integrated transport unit which provides the physical transmission interfaces and the transport functionality of the BTS. Six different network interface alternatives are offered: E1 symmetrical, E1 unsymmetrical, T1, Fast Ethernet, Gigabit Ethernet and Flexbus.

These transport interface variants are same as with Flexi EDGE System Module ESMA.

GSM/EDGE specific configurations


Following GSM/EDGE configurations are possible:

Up to 12 cells.

Up to 12 GSM/EDGE TRX/cell

Up to 36 TRX BTS (BCF) level configurations for GSM/EDGE.

Up to 108 TRX (36+36+36) site level configurations with Multi BCF/common BCCH.

IDD (Intelligent Downlink Diversity) and 4-way UL Diversity

Dual band configurations

All possible TRX/cell configurations can be built within these limits. In addition to symmetrical configurations like 2+2+2 between the cells also unsymmetrical combinations are supported like 1+2+3. A single radio branch can be shared between operators.

ESMx integrated transmission

The Flexi Multiradio BTS GSM/EDGE system module uses the same transport options as with existing Flexi EDGE BTS. The transport interface comes in five different types of plug in units inserted into the system module (ESMx):

FIEA : 8*E1 asymmetrical

FIPA : 8*E1/T1 symmetrical

FIFA: 2*Flexbus; TNC-type 50 Ω coaxial connector

FIQB: 1*SFP port, 2* Fast Ethernet, 4*E1/T1 symmetrical

FIYB : 1*SFP port, 2* Fast Ethernet; 4*E1/T1 asymmetrical

FIQB and FIYB will be supported with RG20 SW release


FIFA sub-module

With two radiolink Flexbus connections, the FIFA sub-module operates as a repeater and interconnects the BTSs and the BSC using loop, chain, star, and point-to-point network configurations. Each Flexbus interface has a capacity of up to 16 x 2Mbit/s, dependent on the capacity of the microwave link and whether the Flexbus is used for direct interconnection to a different Flexbus interface.

FIEA and FIPA sub-modules

With eight wireline connections per sub-module (E1 has 2Mbit/s capacity and T1 has 1.5 Mbit/s capacity), the FIEA and the FIPA operate as branching points and interconnect the BTSs and the BSC using the loop, chain, star and point-to-point network configurations.

FIQx and FIYx sub-modules

With two FE and one GE interfaces the FIQx and the FIYx can provide PWE-based IP/Ethernet connectivity for the BTS. The FIQx and the FIYx can also be used for E1/T1 connectivity.

Product Details 

Nokia ESMB

Nokia ESMB


Our Advantages

We have NOKIA ESMB for sale, including refurbished and new ones, and the price is usually 90% lower than the original supplier's price. Our super fast turnaround time and high-quality inventory all over the world mean that we can accurately deliver the products replaced on the same day to the place where they are needed, and minimize network downtime.


NOKIA ESMB, like all our hardware, takes comprehensive warranty as the standard. Whether you need new products or renovated products, we only purchase green market equipment of the highest quality and environmental protection. All these are provided at the best possible price, and a large amount of cost-effectiveness will be directly passed on to you.


NOKIA ESMB represents only one product in our world-class hardware portfolio. The portfolio includes very well-known industry names, such as Nokia, Huawei, ZTE, Siemens, Nortel, Ericsson, Alcatel, Lucent, etc. We have a lot of inventory, thank you very much for sharing with customers.

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