# T-Display S3 Pro LR1121 (LILYGO)

> A 2.33-inch touchscreen ESP32-S3 handheld with an LR1121 dual-band LoRa module for sub-GHz and 2.4 GHz, plus a 2000 mAh battery.

- **Category:** Radio & mesh
- **Availability:** Listed by maker
- **Price:** US$65.29 (at lilygo.cc), checked 2026-09-17
- **Good for:** Test 2.4 GHz LoRa alongside sub-GHz on one device.
- **You'll need:** Firmware that supports the LR1121.
- **Trade-off:** No GPS.
- **Page:** https://gadgets.sh/devices/lilygo-t-display-s3-pro-lr1121/

## Where to buy

| Shop | Status | Link |
|---|---|---|
| LILYGO | Orderable | https://lilygo.cc/products/t-display-s3-pro-lr1121?utm_source=gadgets.sh&utm_medium=referral&utm_campaign=lilygo-t-display-s3-pro-lr1121&utm_content=api |
| OpenELAB | Orderable | https://openelab.com/products/lilygo-t-diaplsy-s3-pro-lr1121?utm_source=gadgets.sh&utm_medium=referral&utm_campaign=lilygo-t-display-s3-pro-lr1121&utm_content=api |
| Amazon | Orderable | https://www.amazon.com/dp/B0FCFWVRWL?utm_source=gadgets.sh&utm_medium=referral&utm_campaign=lilygo-t-display-s3-pro-lr1121&utm_content=api |

## Blueprint

**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

- schematic: [T-Display-S3-Pro main board schematic (PDF)](https://github.com/Xinyuan-LilyGO/T-Display-S3-Pro/blob/master/schematic/T-Display-Pro.pdf) (PDF)
- schematic: [MVSRLora LR1121 backplate schematic/project PDF V1.0](https://github.com/Xinyuan-LilyGO/T-Display-S3-Pro-MVSRLora/blob/main/project/T-Display-S3-Pro-MVSRLora_V1.0.pdf) (PDF)
- datasheet: [LR1121 datasheet rev 2.0 (mirrored in repo)](https://github.com/Xinyuan-LilyGO/T-Display-S3-Pro-MVSRLora/blob/main/information/LR1121_H2_DS_v2_0.pdf) (PDF)

### Source repositories

- [Xinyuan-LilyGO/T-Display-S3-Pro](https://github.com/Xinyuan-LilyGO/T-Display-S3-Pro) — hardware, ★63
- [Xinyuan-LilyGO/T-Display-S3-Pro-MVSRLora](https://github.com/Xinyuan-LilyGO/T-Display-S3-Pro-MVSRLora) — hardware, GPL-3.0, ★5
- [Xinyuan-LilyGO/documentation](https://github.com/Xinyuan-LilyGO/documentation) — docs, ★3

### Key parts

| Part | Role | Datasheet |
|---|---|---|
| ESP32-S3R8 | MCU | https://www.espressif.com/sites/default/files/documentation/esp32-s3_datasheet_en.pdf |
| LR1121 | radio (sub-GHz + 2.4GHz LoRa) | https://www.semtech.com/products/wireless-rf/lora-connect/lr1121 |
| ST7796 | display driver | https://www.crystalfontz.com/controllers/Sitronix/ST7796 |

_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.

## 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 |

## Documentation

- [Maker product page](https://lilygo.cc/products/t-display-s3-pro-lr1121)
- [LILYGO GitHub organisation](https://github.com/Xinyuan-LilyGO)
- [LILYGO FAQ and support](https://lilygo.cc/pages/faqs)

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Source: gadgets.sh · https://gadgets.sh/devices/lilygo-t-display-s3-pro-lr1121/ · JSON: https://gadgets.sh/api/v1/devices/lilygo-t-display-s3-pro-lr1121.json