# T-TWR Plus (LILYGO)

> An ESP32-S3 walkie-talkie board with an SA868 UHF or VHF transceiver, GPS, OLED and a 18650/21700 battery holder.

- **Category:** Radio & mesh
- **Availability:** Sold out
- **Price:** US$52.37 (at lilygo.cc), checked 2026-09-17
- **Good for:** Build an APRS or ham handheld on a licensed band.
- **You'll need:** An amateur radio licence where required; the UHF/VHF choice at purchase.
- **Trade-off:** Sold out at review time; transmitting needs a licence.
- **Page:** https://gadgets.sh/devices/lilygo-t-twr-plus/

## Where to buy

| Shop | Status | Link |
|---|---|---|
| LILYGO | Sold out at LILYGO | https://lilygo.cc/products/t-twr-plus-us?utm_source=gadgets.sh&utm_medium=referral&utm_campaign=lilygo-t-twr-plus&utm_content=api |

## Blueprint

**Schematics published.** LILYGO's T-TWR repo has PDF schematics (Rev2.0/2.1) and 3D PCB/display-shell files; a separate community-adjacent LILYGO-authored repo has printable STEP/STL case files.

### Design files

- schematic: [T-TWR-Plus Rev2.1 schematic (PDF)](https://github.com/Xinyuan-LilyGO/T-TWR/blob/master/schematic/T-TWR-Plus_Rev2.1.pdf) (PDF)
- 3d-model: [T-TWR-Plus PCB 3D model (STEP, zipped)](https://github.com/Xinyuan-LilyGO/T-TWR/blob/master/dimensions/T-TWR-Plus-PCB-3D.7z) (STEP)
- enclosure: [LILYGO T-TWR Plus case, top/bottom (STEP)](https://github.com/Xinyuan-LilyGO/LILYGO-T-TWR-Plus-case/blob/main/step/LILYGO-T-TWR-Plus-case-top.step) (STEP)
- enclosure: [LILYGO T-TWR Plus case, STL set](https://github.com/Xinyuan-LilyGO/LILYGO-T-TWR-Plus-case/tree/main/stl) (STL)
- datasheet: [SA868 2W walkie-talkie module datasheet](https://github.com/Xinyuan-LilyGO/T-TWR/blob/master/datasheet/SA868%202W%20Embedded%20walkie%20talkie%20moduleV1.3.pdf) (PDF)

### Source repositories

- [Xinyuan-LilyGO/T-TWR](https://github.com/Xinyuan-LilyGO/T-TWR) — hardware, ★142
- [Xinyuan-LilyGO/LILYGO-T-TWR-Plus-case](https://github.com/Xinyuan-LilyGO/LILYGO-T-TWR-Plus-case) — enclosure, GPL-2.0, ★4

### Key parts

| Part | Role | Datasheet |
|---|---|---|
| ESP32-S3-WROOM-1-N16R8 | MCU | https://www.espressif.com/sites/default/files/documentation/esp32-s3-wroom-1_wroom-1u_datasheet_en.pdf |
| SA868 | UHF/VHF FM transceiver module | https://github.com/Xinyuan-LilyGO/T-TWR/blob/master/datasheet/SA868%202W%20Embedded%20walkie%20talkie%20moduleV1.3.pdf |
| Quectel L76K | GNSS |  |
| SH1106 | OLED display controller |  |

_Notes:_ LILYGO-T-TWR-Plus-case repo (GPL-2.0) is a dedicated enclosure-only repo explicitly named for this product. Schematic PDF is PCB-only; no BOM or Gerbers found.

### Raw source files

Direct links an agent or KiCad can open (the viewer on the page reads the same files).

- 3D model (STEP, 0.4 MB): [LILYGO T-TWR Plus case, top/bottom (STEP)](https://raw.githubusercontent.com/Xinyuan-LilyGO/LILYGO-T-TWR-Plus-case/main/step/LILYGO-T-TWR-Plus-case-top.step)
- 3D model (STL, 0.2 MB): [LILYGO T TWR Plus case bottom pogostick](https://raw.githubusercontent.com/Xinyuan-LilyGO/LILYGO-T-TWR-Plus-case/main/stl/LILYGO-T-TWR-Plus-case-bottom_pogostick.stl)
- 3D model (STL, 0.2 MB): [LILYGO T TWR Plus case bottom](https://raw.githubusercontent.com/Xinyuan-LilyGO/LILYGO-T-TWR-Plus-case/main/stl/LILYGO-T-TWR-Plus-case-bottom.stl)
- 3D model (STL, 0.1 MB): [LILYGO T TWR Plus case top pogostick](https://raw.githubusercontent.com/Xinyuan-LilyGO/LILYGO-T-TWR-Plus-case/main/stl/LILYGO-T-TWR-Plus-case-top_pogostick.stl)
- 3D model (STL, 0.1 MB): [LILYGO T TWR Plus case top](https://raw.githubusercontent.com/Xinyuan-LilyGO/LILYGO-T-TWR-Plus-case/main/stl/LILYGO-T-TWR-Plus-case-top.stl)

## Specifications

### Core hardware

| | |
|---|---|
| Processor | ESP32-S3-WROOM-1-N16R8 · 16 MB flash · 8 MB PSRAM |
| Display | 1.3″ SH1106 OLED · 128 × 64 |
| Radios | SA868 transceiver, UHF 400–480 MHz or VHF 134–174 MHz version · Wi-Fi · Bluetooth 5 LE · L76K GNSS (GPS, BeiDou, GLONASS) |
| Power | USB, 21700 or 18650 cell · AXP2102 PMU |

### Details from the product page

| | |
|---|---|
| Buttons | PTT, boot, power, reset |
| Extras | TF card, WS2812 RGB LED |
| Firmware | SoftRF Ham Edition, OpenRTX, ESP32APRS and ArcticTracker are named as supported |
| In the box | Board, band-matched antenna, headers, cable and battery spring |

### Buying

| | |
|---|---|
| Price | US$52.37 on lilygo.cc |
| Availability | Out of stock on the day of review |

## Firmware & community

- [OpenRTX](https://github.com/OpenRTX/OpenRTX) — Open source digital amateur radio firmware supporting DMR, M17, and FM voice communications.

## Documentation

- [Maker product page](https://lilygo.cc/products/t-twr-plus-us)
- [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-twr-plus/ · JSON: https://gadgets.sh/api/v1/devices/lilygo-t-twr-plus.json