LilyGo T-Echo Card

Name: LilyGo T-Echo Card
Brand: LilyGO
Price: 45 USD

Official Active

Low-power nRF52840 + SX1262 card-sized node with a 0.42-inch OLED, L76K GNSS, ICM20948 IMU, speaker, microphone, and WS2812 LED. Solar panel for continuous power supply. Bluetooth 5 only - no Wi-Fi.

~$45 approx.· 2026-06

Product page ↗

MCU: nRF52840
Radio: SX1262
Display: 0.42″ OLED
GPS: Quectel L76K
Battery: None
Connectivity: USB, BLE

Roles

CompanionRepeaterRoom ServerStandalone Ui

Transports

bleusb

Hardware

Radio

Technology: LORA
Chip: Semtech SX1262 ↗
Frequency: 868 MHz,915 MHz
TX power: 22 dBm
Antenna: IPEX-1.0

Processor

Family: Nordic nRF52 series ↗
Model: Nordic nRF52840 ↗
Architecture: ARM Cortex-M4
Flash: 1 MB
RAM: 256 KB

Display

Type: OLED
Controller: SSD1306
Size: 0.42″
Resolution: 72 × 40
Colors: Monochrome

Input

Microphone: Yes
Speaker: Yes

GNSS

Chip: Quectel L76K ↗

Battery

Battery: None
Charging: No
Connector: none

Solar

Solar panel: Built-in
Solar charging: Supported

Physical

LEDs: WS2812 status LED

Connectivity

USB: USB-C
USB modes: Power, Serial, Flashing
Bluetooth: BLE 5.0
Wi-Fi: None

Details

Kind: Product
Lifecycle: Active
Family: lilygo-t-echo-card
Firmware support: 2
Catalog completeness: 72 %
Also known as: T-Echo Card

Firmware support

Firmware	Type	Target	Status	Notes
MeshCore (Official)	Official	lilygo_techo_card	✓ Supported
MeshCoreNG	Fork	lilygo_techo_card	✓ Supported