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LILYGO T‑ECHO – Advanced IoT Development Board for Meshtastic, LoRa and Bluetooth 5
LILYGO T‑ECHO is a powerful and energy‑efficient IoT development board, built upon the proven foundation of the LILYGO T‑BEAM platform. It is optimized for Meshtastic, offers enhanced Bluetooth performance, and is designed for robust wireless communication in demanding environments. This makes LILYGO T‑ECHO an excellent choice for IoT projects, mesh networks, and remote sensor applications.
Powerful Bluetooth 5 Platform
At the core of LILYGO T‑ECHO is the nRF52840 SoC, an energy‑efficient Bluetooth 5 chip supporting multiple communication protocols, including Thread and Zigbee. This enables stable mesh networking, high compatibility with modern wireless ecosystems, and fast responsiveness—ideal for smart home systems, industrial IoT, and distributed sensor networks.
Long‑Range Communication with LoRa (SX1262)
For long‑distance connectivity, the board features the LILYGO SX1262 LoRa module, based on the Semtech SX1262 RF chip. Operating in the 868 MHz and 915 MHz ISM bands, it delivers:
Up to +22 dBm transmit power
Exceptional receiver sensitivity down to ‑139 dBm
Integrated 32 MHz TCXO for high stability and precision
Automatic TX/RX switching and advanced LoRa spread‑spectrum technology
The result is reliable, interference‑resistant data transmission over very long distances.
Integrated Environmental Sensor (BME280 Version)
Temperature
Humidity
Atmospheric pressure
This makes the board ideal for environmental monitoring, weather stations, agriculture, smart city applications, and remote sensor nodes.
Summary
LILYGO T‑ECHO is a feature‑rich, compact, and programmable IoT platform that combines:
