← All devices

Ebyte EoRa-S3-XXXTB Radio

Official Active

Compact ESP32-S3 + SX1262 development board with a 0.96-inch OLED, SD card slot, USB-C, and LiPo charging circuit. Suited to small MeshCore/Meshtastic builds where a low-cost board with display and rechargeable battery support is enough.

~$18 approx.· 2026-06

Product page ↗

References: mesh-sn.de ↗

MCU: ESP32-S3
Radio: SX1262
Display: 0.96″ OLED
GPS: None
Battery: External
Connectivity: USB, BLE, Wi-Fi

Roles

CompanionRepeaterRoom Server

Transports

bleusbwifi

Hardware

Radio

Technology: LORA
Chip: Semtech SX1262 ↗
Frequency: 900
TX power: 22 dBm
TX efficiency: 1.44 mW/mA
Antenna: U.FL/IPEX

Processor

Family: Espressif ESP32 series ↗
Model: Espressif ESP32-S3 ↗
Architecture: Xtensa LX
Flash: 4 MB
RAM: 2048 KB
PSRAM: 2 MB

Display

Type: OLED
Controller: SSD1306
Size: 0.96″
Resolution: 128 × 64
Colors: Monochrome

Battery

Battery: External connector
Chemistry: LiPo
Built-in: No
Charging: Yes
Connector: JST LiPo charging circuit (external)

Power

Power draw (idle): 30 mA
Power draw (TX): 110 mA

Physical

LEDs: Status LEDs
Dimensions: 27 × 64 × 12 mm
Board area: 17.3 cm²
Board volume: 20.7 cm³
Weight: 12 g
Operating temp: -40 to 85 °C

Connectivity

USB: USB-C
USB modes: Power, Serial, Flashing
Bluetooth: BLE 5.0
Wi-Fi: 802.11 b/g/n

Details

Kind: Product
Lifecycle: Active
Family: ebyte-ebyte-eora-s3-xxxtb-radio
Firmware support: 2
Catalog completeness: 88 %
Also known as: Ebyte EoRa-S3-900TB

Firmware support

Firmware	Type	Target	Status	Notes
MeshCore (Official)	Official	ebyte_eora_s3	✓ Supported
MeshCoreNG	Fork	ebyte_eora_s3	✓ Supported