T-ECHO Meshtastic 433MHz LoRa SX1262 Wireless Module
T-ECHO Meshtastic 433MHz LoRa SX1262 Wireless Module
The T-ECHO Meshtastic 433MHz LoRa SX1262 Wireless Module is an advanced IoT development board offering enhanced Meshtastic compatibility, improved Bluetooth performance, and optimized low power consumption. Designed for robust wireless communication in harsh environments, the LILYGO T-ECHO integrates multiple high-performance components to support a wide range of IoT and remote sensing applications.
At the heart of the LILYGO T-ECHO is the nRF52840 Bluetooth 5 SoC, a powerful and energy-efficient chip supporting multi-protocol communication including Thread and Zigbee, making it ideal for mesh networks, smart home systems, and industrial IoT applications. This upgrade significantly improves Bluetooth connectivity, response speed, and interoperability with modern wireless ecosystems.
Continuing the LoRa functionality of the T-BEAM series, the LILYGO T-ECHO incorporates the LILYGO SX1262 wireless transceiver module based on the Semtech SX1262 LoRa RF chip. Thanks to the SX1262, it provides exceptionally long-range communication with a maximum output power of +22dBm and a reception sensitivity of -139dBm. The integrated TCXO 32 MHz crystal oscillator ensures high stability and sensitivity in both transmission and reception. With automatic transceiver switching and advanced LoRa spread spectrum technology, LILYGO T-ECHO offers robust anti-interference capabilities, ensuring secure and reliable data transmission over long distances.
To further enhance its use in environmental monitoring, the LILYGO T-ECHO BME280 variant includes the Bosch BME280 sensor, providing accurate measurements of temperature, humidity, and atmospheric pressure. This integration makes the device a complete solution for real-time environmental data collection; ideal for weather stations, agricultural monitoring, and remote sensing nodes.
In summary, LILYGO T-ECHO is a feature-rich, low-power wireless development platform that combines LoRa, Bluetooth 5, and environmental sensing on a compact and programmable board; It is perfect for developers who are developing long-range, low-power, and multi-protocol IoT systems.
You can find other T-ECHO models here.
Documents related to Meshtastic;
You can find frequently asked questions about T-ECHO here.
T-ECHO Certificates
T-ECHO Technical Specifications
| SKU | K181-Mesh |
| MCU | NRF52840 |
| FLASH | 2MB |
| RAM | 2MB |
| Bus Interfaces | UART, SPI, TWI, PDM, 12S, QSPI |
| Wireless Connectivity | Bluetooth 5, Thread, Bluetooth Mesh, ANT, 802.15.4, Zigbee With/Without BME280 temperature pressure sensorr |
| SX1262 LoRa Transceiver | Long Range, Low Power Global frequency coverage 433, 868, 915Mhz |
| Enclosure material | ABS |
| Version | Normal version / BME280 version |
| Battery Capacity | 850mAh |
1.54-inch SPI E-Paper Display | |
| Grey level | 2 |
| Resolution | 200x200 |
| Full refresh time | 2S |
L76K Multi-System Positioning GNSS module | |
| Support System | GPS, GLONASS, BeiDou, QZSS |
| Support Function | LNA, SAW Filter, AGNSS, 1PPS Improved receiving and anti-interference attributes |
Package Content
- 1x T-ECHO
- 1X USB Cable
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