Walter cat 1 bis

Walter Cat 1 bis is a small-form-factor IoT SoM that adds support for worldwide LTE Cat 1 bis to the powerful ESP32-S3 SoC. On top of the ESP32-S3’s many built-in peripherals—such as UART, SPI, I²C, CAN, Wi-Fi b/g/n, and Bluetooth 5—Walter also features the Sequans GC02S1 LTE Cat 1 bis modem.

Walter Cat 1 bis can be used for both prototyping and production, as it will be certified for FCC, CE, RCM, and IC. We also guarantee a minimum of ten years of availability, making it a uniquely reliable building block for your IoT application.

Walter Cat 1 bis comes with a range of 100% open source software libraries to get your IoT project up and running in minutes, so you can work in familiar languages and toolchains. Supported environments include ESP-IDF, Arduino, MicroPython, Toit, and Zephyr. No special dongles are needed to program Walter – just connect it directly to your development machine via a standard USB Type-C cable.