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Amarisoft technology

Enabling wireless connectivity through innovative technology.

Our unparalleled 100% software technology caters to all your requirements. Amarisoft delivers distinctive eNB, gNB, and UE simulator software to the wireless industry, compatible with readily available off-the-shelf hardware, including the physical layer. Complementing this software suite is a compact 4G/5G core network, an IMS server, an MBMS gateway, and an N3IWF.

In laboratory settings, this technology is delivered seamlessly integrated with software-defined radio front ends, offering cost-effective and high-quality test equipment for both device and base station testing. In the field, over 40 partners leverage our vRAN software, paired with high-power split 8 and split 7.2 radios, to provide the network deployment market with comprehensive products and services that address the requirements of both public and private networks.

Amarisoft end-to-end software technology including eNodeB, gNodeB, EPC, 5GC, IMS, eMBMS, N3IWF and UE Simulator

Software components


vRAN eNodeB gNodeB

A release 18 full software eNodeB gNodeB including layer3, layer 2, layer1 and physical layer. It also includes a channel simulator. It connects to a split 8 or split 7.2 radio front end through an open API via a driver. It supports a standard S1/NG interface to connect a 4G or 5G core network. The eNodeB gNodeB is configurable through hundreds of parameters in a text file in JSON format. It has a WebSocket API for automation, and a command line interface. Technical doc

eNodeB gNodeB vRAN low level architecture and interfaces legend
eNodeB technical specification
3GPP release LTE release 17
Frequency bands All FDD and TDD bands in sub-6GHz
Bandwidth 1.4, 3, 5, 10, 15 and 20 MHz in LTE
200 KHz for NB-IoT supporting all operation modes (in-band, guard band and standalone).
Number of active UEs Up to 1000 UEs distributed within the configured cells
Carrier aggregation Up to 24 layers in DL (e.g. 12 CC MIMO2x2 or 6CC MIMO4x4) and 6 layers (e.g. 6 CC SISO) in UL allowing mixed FDD/TDD combinations
Transmission modes 1 (single antenna) to 10 (MIMO 4x4)
Modulation schemes Up to 1024QAM in DL and 256QAM in UL
AS encryption and integrity protection AES, SNOW3G, ZUC
Handover Intra eNodeB, S1, X2 , Intra ng-eNodeB, NG, Xn and EPS to 5GS handover support
eNodeB network interfaces S1AP and GTP-U to EPC X2AP between eNodeBs M1 and M2 for eMBMS
ng-eNodeB network interfaces NGAP and GTP-U to 5GC XnAP between ng-eNodeBs
LTE/LTE-M Rel 16 compliant
LTE category 0 and 1
LTE-M cat M1 FDD, HD-FDD and TDD support
Group WUS support
NB-IoT Rel 17 compliant
NTN support
NB-IoT single-tone and multi-tone cat NB1 and NB2
15 kHz and 3.75 kHz subcarrier spacing
Support of two HARQ processes.
Group WUS support
CP CIoT optimization
gNodeB technical specification
3GPP release Release 18 - eMBB, (e)RedCAP and NTN support
Frequency bands All FDD and TDD bands in sub-6GHz + FR2 bands
Bandwidth Up to 100 MHz per cell
Multi BWP support.
Number of active UEs Up to 1000 UEs distributed within the configured cells
Carrier aggregation Up to 24 Layers in DL (e.g. 10 CC FR2 MIMO2x2 + 1CC FR1 MIMO4x4), mixed FDD/TDD combinations
MIMO Up to MIMO 8x8 in DL and MIMO 4x4 in UL
Subcarrier spacing Data subcarrier spacing: 15, 30, 60 or 120 KHz
SSB subcarrier spacing: 15, 30, 120 or 240 KHz
Modulation schemes Up to 1024QAM in DL and 256QAM in UL
AS encryption and integrity protection AES, SNOW3G, ZUC
Handover Intra eNodeB, S1, X2 , Intra ng-eNodeB, NG, Xn and EPS to 5GS handover support
gNodeB network interfaces S1AP and GTP-U to EPC X2AP between eNodeBs M1 and M2 for eMBMS
ng-eNodeB network interfaces NGAP and GTP-U to 5GC XnAP between ng-eNodeBs
Supported modes SA, NSA
NR Split Bearer 3, 3a and 3x

4G 5G CORE

A compact release 18 core network with built-in MME, SGW, PGW, PCRF, HSS, EIR, ePDG, AMF, AUSF, SMF, UPF, UDM and 5G-EIR. Technical doc

4G CORE EPC and 5G CORE 5GC architecture and interfaces legend
EPC technical specification
3GPP release LTE release 18
Network Functions Mobility Management Entity (MME), Serving Gateway (SGW), Packet Data Network Gateway (PGW), Home Subscriber Server (HSS), Evolved Packet Data Gateway(ePDG), Policy and Charging Rules Function (PCRF) and Equipment Identity Register (EIR) all integrated within the same software component
NAS encryption and integrity protection AES, SNOW3G, ZUC
USIM authentication XOR, Milenage, TUAK
PDN type IPv4, IPv4v6, IPv6 and non-IP and Ethernet
QoS Support of all LTE QCIs as well TFT and dedicated bearers
Network interfaces S1AP and GTP-U to multiple eNodeBs
Rx to external IMS server, S6a to external HSS
S13 to external EIR, SGsAP to external VLR/MSC
SBcAP to external CBC and LCS-AP to external E-SMLC
Handover Intra-MME and EPS 5GS IRAT handover support
RAT LTE, NB-IoT, NR (Support of DCNR UEs)
ePDG support
IoT features control plane CIoT EPS optimization
Non-IP data delivery CIoT feature
Attach without PDN connectivity
Group WUS support
NTN NB-IoT Rel17
Power saving features PSM and eDRX
5G core technical specification
3GPP release NR release 18
Network Functions Access and Mobility Management Function (AMF), Authentication Server Function (AUSF), Session Management Function (SMF), User plane Function (UPF), UDM (Unified Data Management) and 5G-EIR (5G Equipment Identity Register) all integrated within the same software component
NAS encryption and integrity protection AES, SNOW3G, ZUC
USIM authentication XOR, Milenage, TUAK , ECIES profile A and B, 5G AKA, EAP AKA Prime , EAP TLS
PDU session type IPv4, IPv4v6, IPv6 and non-IP and Ethernet
QoS Support of all NR 5QIs as well TFT and dedicated bearers. Network Slicing
Network interfaces NG interface (NGAP and GTP-U protocols) to multiple gNodeBs, ng-eNodeBs or N3IWFs, Rx and N5 interface to external IMS server, N12 to external AUSF, N8 and N13 to external UDM, N17 to external 5G-EIR, N20 to external SMSF, N50 to external CBC, NL1 interface to External LMF
Handover intra-AMF and 5GS EPS IRAT support
RAT NR, LTE, NB-IoT and non-3GPP (N3IWF)
IoT features CIoT 5GS optimization
Non-IP data delivery CIoT feature
RedCap support
Power saving features MICO, active time and eDRX


IMS Server

An IMS standalone simple server. It has a built-in P-CSCF, I-CSCF, S-CSCF, HSS. Technical doc

IMS Server architecture and interfaces legend


eMBMS Gateway

An LTE multimedia broadcast multicast services gateway with buit-in MCE. Technical doc

eMBMS Server architecture and interfaces legend
IMS technical specification
Network elements Proxy CSCF (P CSCF)
Interrogating CSCF (I CSCF)
Serving CSCF (S CSCF),
Home Subscriber Server (HSS)
all integrated within the same software component
USIM authentication XOR, Milenage, TUAK , ECIES profile A and B, 5G AKA, EAP AKA Prime , EAP TLS
Security features MD5, AKAv1 and AKAv2 for authentication and IPSec at transport level
Network interfaces Rx interface for support of precondition and dedicated bearer
Cx interface for external authentication
IP version IPv4, IPv4v6, IPv6
Services Voice call,
Video call
Voice echo test
Call hold
SMS over SIP and SMS over SG
eMBMS technical specification
Network elements LTE eMBMS Gateway (eMBMSGW)
Multi cell Coordination Entity (MCE)
Network interfaces M1 interface to eNodeB for user plane
M2AP interface to eNodeB for control plane

4G 5G UE Simulator

A UE Simulator software able to simulate a large number of LTE, LTE-M, NB-IOT including NTN, RedCap and 5G NR including NTN UEs sharing the same spectrum. Technical doc

UE Simulator software architecture and interfaces legend
4G UE technical specification
3GPP release LTE Release 8 support with features up to Release 15
Frequency bands All FDD and TDD bands in sub-6GHz with support of custom frequencies
Bandwidth 1.4, 3, 5, 10, 15 and 20 MHz in LTE
200 KHz for NB-IoT supporting all operation modes (in-band, guard band and standalone).
Carrier aggregation Up to 4 carriers in DL and 2 in UL allowing mixed FDD/TDD combinations in DL
MIMO DL MIMO support up to 4x4
Modulation schemes Up to 1024QAM in DL and 256QAM in UL
AS encryption and integrity protection AES, SNOW3G, ZUC
Handover Intra-freq, inter-freq , inter-band and inter RAT Handovers
Group communication eMBMS as per Rel10
IoT LTE category 0 and 1, LTE-M cat M1, NB-IoT cat NB1 and NB2 UE categories Rel17 NTN NB-IoT
LTE UE category Cat0, Cat1(bis), cat 3, cat 4, cat 15 with 4CCs in DL and cat 13 with 2 CCs in UL
Number of active UEs Up to 1000 UEs depending on the selected product
Number of active cells Up to 4 cells depending on the selected product
IP traffic Simulation of TCP, UDP, RTP, HTTP and VoIP with configurable packet size as well as support of external applications such as iperf
5G UE technical specification
3GPP release LTE Release 16
Frequency bands All FDD and TDD bands in sub-6GHz with support of custom frequencies
Bandwidth Up to 100 MHz.
Carrier aggregation up to 6 carriers in DL and 2 carriers in UL
MIMO MIMO support up to DL 8x8 and UL 4x4
Modulation schemes Up to 1024QAM in DL and 256QAM in UL
AS encryption and integrity protection AES, SNOW3G, ZUC
Handover Intra-freq, inter-freq , inter-band and inter RAT Handovers
Sub carrier spacing All SSB/data subcarrier spacing combination
Supported modes NSA and SA
NSA NR Split bearer 3, 3a and 3x
Use case eMBB/ Rel18 NTN / Rel17/18 (e)RedCap
Number of active UEs Up to 1000 UEs depend ing on the selected product
Number of active cells Up to 6 cells depending on the selected product
IP traffic Simulation of TCP, UDP, RTP, HTTP and VoIP with configurable packet size as well as support of external applications such as iperf

Hardware components


AMARI PCIe CPRI 40 Card

The AMARI PCIe CPRI 40 card (Common Public Radio Interface) is a high-performance interface module designed for use in 4G LTE and 5G mobile network infrastructure. It enables high-speed, low-latency transmission of digitized baseband I/Q signals between the centralized Baseband Unit (BBU) and Remote Radio Units (RRUs) over optical fiber following split 8. Supporting multiple CPRI line rates and advanced synchronization capabilities, the card ensures precise timing and efficient bandwidth utilization essential for MIMO, carrier aggregation, and other advanced radio features. It is fully compliant with CPRI specifications and supports seamless integration into both legacy 4G and evolving 5G network architectures, making it ideal for hybrid deployments and smooth network evolution.

Technical doc

AMARI PCIe CPRI 40 Card is an Amarisoft digital tranceiver card designed for NR
AMARI PCIe CPRI 40 Card technical specification
Dimensions H × W × D 2 cm × 18.2 cm × 12 cm
Weight 0.23 kg
Number of SFP+ Ports 4
CPRI Line Bitrate Options 3, 4, 5, 6, 7
Data bandwidth 9830.4Mbps x4 SFP ports (line rate 7)
Resolution 15 bit sample width
Operation mode FDD and TDD
Deployment examples 4x NR 50MHz MIMO 4x4 (line rate 7)
4x NR 100MHz MIMO 4x4 (compressed)
PCIe minimum requirements 8x / Gen 3
Synchronization Internal clock , PPS signal, GPS

AMARI PCIe SDR 2x2 Card

AMARI PCIe SDR 2x2 is a software defined radio (SDR) card using AD9361 2x2 RF transceiver. It supports MIMO 2x2, FDD and TDD operations in any frequency between 500 MHz and 6GHz. It has an integrated GPS for precise time and frequency synchronization. The cards can be easily chained thanks to a provided cable allowing clock and PPS propagation in between the cards. This will facilitate testing of higher MIMO layers and carrier aggregation. The total bandwidth of the card is 56 MHz, and its output power is around 0 dBm depending on the used frequency. The card requires at least gen 2 PCIe slot. This RF is used in AMARI Callbox Mini, AMARI Callbox Classic and AMARI UE Simbox LTE Series products.

Technical doc

AMARI PCIe SDR 2x2 Card is an Amarisoft Software Defined Radio designed for LTE
AMARI PCIe SDR 2x2 Card technical specification
Dimensions H × W × D 2 cm × 11.5 cm × 12.8 cm
Weight 0.1 kg
Frequency range 500 MHz to 6.0 GHz
RF bandwidth 200 KHz to 56 MHz
Power supply voltage 12 V DC input
Operation mode FDD and TDD
MIMO 2x2
ADC/DAC sample rate 61.44 MS/s
ADC/DAC resolution 12 bits
Frequency accuracy 2 ppm
PCIe minimum requirements 1x / Gen 2
LTE 20MHz 64QAM EVM <4% RMS (f<3.5 GHz)
<2% RMS (f<2.6 GHz)
Synchronization Internal clock , PPS signal, GPS , Reference external clock (LVDS)

AMARI PCIe SDR 100 4x4 Card

AMARI PCIe SDR 100 4x4 is a software defined radio (SDR) card based on AD9371 2x2 RF transceivers. It supports MIMO 4x4, FDD and TDD operations in any frequency between 400 MHz and 6GHz. It has an integrated GPS for accurate time and frequency synchronization. The cards can be easily chained thanks to a provided cable allowing clock and PPS propagation in between the cards. This will facilitate testing of higher MIMO layers and carrier aggregation. The total bandwidth of the card is 100 MHz, and its output power is around 12 dBm depending on the frequency used. The card requires at least gen 3 PCIe slot. This RF is used in AMARI Callbox Advanced, AMARI Callbox Ultimate, AMARI Callbox Extreme, AMARI UE Simbox E Series and AMARI UE Simbox MBS Series products.

Technical doc

AMARI PCIe SDR 100 4x4 Card is an Amarisoft Software Defined Radio designed for 5G
AMARI PCIe SDR 100 4x4 Card technical specification
Dimensions H × W × D 2 cm × 13 cm × 22 cm
Weight 0.2 kg
Frequency range 400 MHz to 6.0 GHz
RF bandwidth 1.4 MHz to 100 MHz
Power supply voltage 12 V DC input
Operation mode FDD and TDD
MIMO 4x4
ADC/DAC sample rate 122.88 MS/s
ADC/DAC resolution 12 bits
Frequency accuracy < 1 ppm
PCIe minimum requirements 8x / Gen 3
LTE 20MHz 64QAM EVM <4% RMS (f<3.5 GHz)
<2% RMS (f<2.6 GHz)
Synchronization Internal clock , PPS signal, GPS , Reference external clock (LVDS)

AMARI FR2 Hardware Package

The AMARI FR2 HW Package enables mmWave technology on the AMARI Callbox Advanced, Ultimate, and Extreme and AMARI UE Simbox MBS models. It comprises a UDC (Up-Down Converter), RF cables, and horn antennas. The UDC serves to convert the sub6 signal from the AMARI PCIe SDR 100 4x4 Card into mmWave signal, and vice versa.

5G up down converter (UDC) for 5G FR2 or 5G mmWave
AMARI UDC technical specification
Dimensions H × W × D 4 cm × 9.5 cm × 27.5 cm
Weight 0.2 kg
Frequency range two SKUs: 24 to 30 GHz or 37 to 40 GHz
RF bandwidth 1 GHz
Power supply voltage 12 V DC input
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