T-Display S3 Pro LR1121

Test 2.4 GHz LoRa alongside sub-GHz on one device.

LoRa 2.4 GHzLR1121TouchscreenESP32-S3

Availability: Listed
Design: Schematics
Radio: LR1121 LoRa

Where to buy · 3 shops

Compare with similar devices

in stock (single variant K252-01 available:true, US$65.29) at LILYGO (lilygo.cc) when checked on 2026-09-24.

Radio equipment needs certification where you live (FCC, CE, UKCA, ISED, Anatel). Some devices are uncertified or restricted in Brazil. Buyers are responsible for their local law.

Bring along: Firmware that supports the LR1121.
Keep in mind: No GPS.

Source checked · Sep 17, 2026

Image credit
Maker product photo of the T-Display S3 Pro LR1121 · LILYGO

(02) Blueprint

What’s published

Schematics published

LILYGO publishes PDF schematics for the T-Display-S3-Pro main board and the LR1121 LoRa backplate (MVSRLora); no editable KiCad/Altium PCB source, only footprint libraries.

Design files 2

Source 3

git clone https://github.com/Xinyuan-LilyGO/T-Display-S3-Pro.git

Key parts 3

ESP32-S3R8 All ESP32-S3 devicesMCUDatasheet
LR1121 All LR1121 devicesradio (sub-GHz + 2.4GHz LoRa)Datasheet
ST7796 All ST7796 devicesdisplay driverDatasheet

Research notes

Verified via gh api tree listing + fetched blob URLs (200). Two backplate repos exist (MVSRBoard = no-LoRa audio backplate, MVSRLora = LR1121 backplate used on this LR1121 product); only the LR1121 one applies here. No .kicad_pcb/.SchDoc project files found, only PDFs and a footprint library folder.

Every link checked 2026-09-27.

Hand this device to your agent. Everything on this page, as clean Markdown and JSON: specs, shops, prices, design files, parts.

Markdown JSON

Made the T-Display S3 Pro LR1121? Put the badge on your README; it links here, with every shop that sells it.

Specifications

Core hardware

Processor: ESP32-S3R8 · 8 MB PSRAM
Display: 2.33″ IPS touch · 222 × 480 (ST7796)
Radios: LR1121 LoRa, sub-GHz and 2.4 GHz · Wi-Fi 802.11 · Bluetooth 5 and BT mesh
Power: Built-in 2000 mAh battery

Details from the product page

Extras: Vibration motor, RTC, speaker and microphone
Antennas: Two external LoRa antenna positions on the side
Mounting: 1/4-inch screw for tripods
Development: Arduino, VS Code

Buying

Price: US$65.29 on lilygo.cc
Availability: In stock on the day of review

What still needs checking

Dimensions, weight and battery runtime are not stated unless listed above.
Firmware support for community tools varies by board; check the project before buying.
Regional band variants and antenna versions change what is in the box.

Downloads & docs

Maker product pagelilygo.cc LILYGO GitHub organisationgithub.com LILYGO FAQ and supportlilygo.cc

Source & revision notes

Maker listing checked Sep 17, 2026. Detailed documentation reviewed Sep 17, 2026. Not hands-on tested.

Price is a dated listing; confirm with the maker.

Specifications were read from LILYGO’s product page on 2026-09-17; price US$65.29 and availability are as shown that day.

LILYGO sells several boards in plain and Meshtastic-preloaded versions and in regional band variants; this entry covers the model, not one variant.

Capability corrected 2026-09-19: this entry carried a 5 GHz Wi-Fi flag that its own recorded specifications do not support. Removed rather than guessed; if the maker documents 5 GHz, add it back with the source.

Written from the maker’s Shopify product data retrieved 2026-09-17; no hands-on testing.

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