--- id: techo title: LILYGO® TTGO T-Echo devices sidebar_label: T-Echo sidebar_position: 3 --- The T-Echo is the latest device to be release by LILYGO® supporting a low power consumption micro-controller. Further information on the LILYGO® T-Echo devices can be found on LILYGO®'s [GitHub page](https://github.com/Xinyuan-LilyGO/LilyGO-T-Echo). ## Specifications - **MCU** - nRF52840 (Bluetooth BLE 5.0 & NFC) - **LoRa Transceiver** - Semtech SX1262 - **Frequency options** - 433 MHz - 868 MHz - 915 MHz - **Navigation Module** - L76K GNSS receiver (Supports GPS, BeiDou, GLONASS & QZSS) - **Connectors** - U.FL antenna connector ## Features - Reset, Program and capacitive touch buttons - 1.54" eInk display - Optional BME280 - Humidity and Pressure Sensor - Comes with a case and battery ## Resources - Firmware file: `firmware-t-echo-2.x.x.uf2` - Purchase Links: - US - [Rokland 915MHz](https://store.rokland.com/products/lilygo-ttgo-meshtastic-t-echo-white-lora-sx1262-wireless-module-915mhz-nrf52840-gps-for-arduino?ref=8Bb2mUO5i-jKwt) - [Rokland 915MHz w/ BME280 Kit](https://store.rokland.com/products/lilygo-ttgo-meshtastic-t-echo-white-bme280-lora-sx1262-wireless-module-915mhz-nrf52840-gps-rtc-nfc-for-arduino?ref=8Bb2mUO5i-jKwt) - International - [LilyGO](https://www.lilygo.cc/products/t-echo) - [AliExpress](https://www.aliexpress.com/item/1005003026107533.html) ![LILYGO T-Echo](/img/hardware/t-echo.svg)