LilyGo T3S3

Compact ESP32-S3 based LoRa development board with built-in OLED display and multiple LoRa chip options.

868/915MHz (SX1262/SX1276)

2.4GHz (SX1280)

✓Companion Radio Firmware

✓Repeater

✓Room Server

Processor

ESP32-S3

LoRa Chip Options

SX1262 (868/915MHz), SX1276 (868/915MHz), SX1280 (2.4GHz)

Display

0.96 inch OLED

Antenna Connector

IPEX/U.FL or SMA (depending on version)

Memory Card

TF card (microSD) support

Output Power

20 dBm (SX1280 version with PA)

Power Supply

USB and 3.7V LiPo battery

Connectivity

WiFi, BLE 5.0

Key Features

Display

Bluetooth

WiFi

External Antenna

microSD Support

Battery Support

Available LoRa Variants

868/915MHz Version

• Available with SX1262 or SX1276 LoRa chips
• Compatible with standard MeshCore frequency bands
• Ideal for long-range communication
• Regional regulations apply to frequency use

2.4GHz Version

• Equipped with SX1280 LoRa chip
• Higher frequency allows for global use
• Power amplifier (PA) provides 20 dBm output
• Shorter range but higher data rates

Detailed Specifications

Parameter	Description
Processor	ESP32-S3
LoRa Chip	Multiple options available: SX1262 (868/915MHz), SX1276 (868/915MHz), SX1280 (2.4GHz)
Display	0.96 inch OLED
Antenna Connector	IPEX/U.FL or SMA (depending on version)
Memory Card Support	Yes, TF card (microSD)
Output Power	For the SX1280 version with PA, output power of 20 dBm
Power Supply	USB and 3.7V LiPo battery
Bluetooth	Yes, BLE 5.0 (inferred from ESP32-S3)
WiFi	Yes (inferred from ESP32-S3)