AMARI UE Simbox LTE Series

Hundreds of UEs on your desk

The Amarisoft UE simulator stands as an optimal solution for facilitating functional and performance testing in 4G networks. Operating as a 3GPP compliant LTE, LTE-M, and NB-IOT UE, it excels in simulating numerous UEs concurrently within the same spectrum.

AMARI UE Simbox LTE Series high level architecture
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The AMARI UE Simbox emulates multiple UEs supporting LTE and LTE-A.

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The AMARI UE Simbox emulates multiple UEs supporting LTE-M.

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The AMARI UE Simbox emulates multiple UEs supporting NB-IOT category NB1 and NB2. It also supports Non Terrestrial Network (NTN) NB-IOT.

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Up to 1000 UEs

Depending the AMARI UE Simbox platform, and the eNodeB configuration, it can emulate up to 1000 concurrent active UEs.

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800 Mbps - 300 Mbps

Depending on the AMARI UE Simbox platform, and the eNodeB configuration, the product can deliver up to 800 Mbps in downlink and 300 Mbps in uplink.

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Intra and Inter eNB handover are supported.

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Carrier aggregation

The AMARI UE Simbox can aggregate multiple TDD and FDD LTE cells for high throughput testing.

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Thanks to our partner Simnovus add-on, the AMARI UE Simbox support VoLTE.

Highlighted features

Logging and Measurements

Logging and Measurements

Selective logging and display of all layers of 3GPP LTE as well as useful graphs and analytic tools. Log example

Automatic Test Setup and Scripting

Automatic Test Setup and Scripting

Extensive WebSocket API allowing to send remote commands to UE Simulator software to ease test automation. Tutorial

Easy Configuration

Easy Configuration

Easy configuration thanks to JSON files with example configurations already included in each software release.

End to End Data Testing

End to End Data Testing

Running on top of standard Linux in user space mode allowing easy integration with IP services.

Data Traffic Generator

Data Traffic Generator

Embedded traffic generator provides a controlled environment for reproducible results as well as a variety of traffic types such as TCP, UDP and HTTP.

Channel Simulation

Channel Simulation

On the downlink side, depending on the simulated UE path loss, the channel simulator modifies the PER of PDSCH and PDCCH and updates measured RSRP/CQI and modifies the uplink signal level accordingly. Tutorial

High Performance

High Performance

Highly optimized software supporting multiple UEs and cells

3GPP Features

3GPP Features

Early access to 3GPP features for rapid validation of features under development.

Frequency Agnostic

Frequency Agnostic

Support of a wide range of FDD and TDD frequency bands even nonstandard ones. Tutorial


AMARI simboxlte low level architecture

Software components

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

Hardware components

Simbox Specfication

Simbox Specification
Dimensions H × W × D46.5 cm × 23.3 cm × 53.3 cm
Weight14 kg
# AMARI PCIe SDR 2x2 Cards4
Power supply voltage100 - 240V AC
CPUIntel i9


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)


The software employed across all AMARI UE Simbox Series products remains uniform. The key distinctions among the Simboxes arise from variations in hardware specifications, including CPU power and the number and type of SDRs. These variances result in differences in capacity, encompassing factors such as the number of cells, cell bandwidth, MIMO layers, and the quantity of emulated UEs. Specifically, the AMARI UE Simbox LTE Series is purpose-built for LTE eNodeB testing and offers five different variants to support 1, 64, 128, 256, or 1000 UEs.

For comprehensive 5G base station testing, explore the capabilities of the AMARI UE Simbox E Series and AMARI UE Simbox MBS.

Use Case Product LTE
up to 20 MHz 2x2 up to 20 MHz 4x4
1 CC 4 CC 1 CC 2 CC
Number of UEs
LTE AMARI UE Simbox LTE 001 check sign check sign check sign check sign
AMARI UE Simbox LTE 064 check sign check sign check sign check sign
AMARI UE Simbox LTE 128 check sign check sign check sign check sign
AMARI UE Simbox LTE 256 check sign check sign check sign check sign
AMARI UE Simbox LTE 1000 check sign 256 256 256

Cells with check sign means that the number of UEs in the product name is supported in this config.
Cells with a number (256, 1000…) shows the supported number of UEs in this configuration.
Emply cells means that this config is not supported in this product.

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