Embedded Files
Core Documents for Sara-R5 / Lexi-R5
Core Documents for Sara-R5 / Lexi-R5
Welcome aboard! Whether you're joining a new team, exploring a new platform, or diving into a fresh project, this space is designed to make your onboarding experience smooth, clear, and empowering.
Here you'll find everything you need to get up to speed—from step-by-step guides to tools, policies, and best practices. Our goal is to help you feel confident and connected from day one.
Let’s make your first steps the right steps.
This document provides a comprehensive technical specification for Sara-R52 series LTE-M / NB-IoT modules.
The target audience are hardware engineers, system architects, product managers, certification teams, procurement and manufacturing teams.
This document provides a comprehensive technical specification for Lexi-R520 multi-band LTE-M / NB-IoT modules.
The target audience are hardware engineers, system architects, product managers, certification teams, procurement and manufacturing teams.
Sara-R52 System Integration Manual
This document provides integration guidelines for the Sara-R52 series LTE Cat M1 / LTE Cat NB2 modules. These cellular modules are the optimal choice for LPWA applications with low to medium data throughput rates, as well as devices that require long battery lifetimes, such as used in smart metering, smart cities, telematics, and connected health.
The target audience are hardware and embedded system engineers, product designers, and OEM manufacturers.
Lexi-R520 System Integration Manual
This document provides integration guidelines for the ultra-small Lexi-R520 LTE Cat M1 / NB2 modules. These cellular modules are the optimal choice for LPWA applications with low to medium data throughput rates, as well as devices that require long battery lifetimes, such as used in smart metering, smart cities, telematics, and connected health.
The target audience are hardware and embedded system engineers, product designers, and OEM manufacturers.
Lexi-R5 / Sara-R5 AT command manual
This document is a comprehensive AT commands manual for the Lexi-R5 and Sara-R5 modules. It includes both standard and proprietary AT commands used to configure, control, and monitor the module's behavior. Use it for device configuration, diagnostic & debugging, communication control, integration support. The target audience are Embedded SW developers, system integrators, test & validation engineers.
IN and PCN
Should you wish to receive the IN or PCN document for a specific product, kindly send an email request to the support team of your region:
our Europe support team at tseurope.cellular@trasna.io or through the local support channel
our Americas support team at tsamericas.cellular@trasna.io or through the local support channel
our APAC support team at tsapac.cellular@trasna.io or through the local support channel
Application note
Application development guide application note
This document provides essential guidance for developing applications within the Trasna cellular system. It includes practical examples of AT command sequences tailored to specific use cases. This application note serves as your starting point for exploring and building solutions with Lexi-R5 and Sara-R5 modules.
Firmware update with FOTA, FOAT and EasyFlash
This document introduces you to the flexible and multiple options of firmware (FW) updates with Lexi-R5 and Sara-R5. It covers all FW update options including EasyFlash (our proprietary FW flash tool over UART or USB), the tethered FW update (FOAT), and firmware over the air update (FOTA) via HTTP(S).
Internet applications development guide
This document provides detailed examples of how to use AT commands to develop IP applications in Lexi-R5 and Sara-R5 series modules. It covers data connectivity (PDP context), data security (certificates, TLS, etc.), dial-up network (PPP), TCP/IP internal stack, MQTT client, HTTP client.
This document provides describes the implementation of SpotNow positioning feature, and the techniques for hybrid positioning in Trasna Lexi-R520 and Sara-R520 modules.
This document describes the implementation of the LwM2M client in Trasna Lexi-R520 and Sara-R520 modules.
Firmware
Should you wish to receive the firmware for a specific product, kindly send an email request to the support team of your region:
our Europe support team at tseurope.cellular@trasna.io or through the local support channel
our Americas support team at tsamericas.cellular@trasna.io or through the local support channel
our APAC support team at tsapac.cellular@trasna.io or through the local support channel
Tools
m-center and EasyFlash tool can be downloaded at this link.
Drivers
UART
Please download the latest drivers for your platform from https://www.ftdichip.com/Drivers/VCP.htm.
USB
This driver is needed only in case a modem trace log must be captured on the network interface.
Windows 7 drivers can be downloaded here
Windows 10 drivers can be downloaded here
Windows 10 drivers with AT interface on USB and valid only for SARA-R52 (FW 05.20A00.01), can be downloaded here
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