T-Watch Ultra
LILYGO · Wearable
Price: $78.32[2]
Specifications
| Specification | Value |
|---|---|
| Product status | Active [2] |
| LoRa chip | SX1262 [1] |
| Processor | ESP32-S3 [1] |
| Radio power | Unknown |
| Frequency bands | 868 MHz, 915 MHz, 920 MHz [1] |
| GPS | Built in [1] |
| Display type | AMOLED [1] |
| Display size | 2.06 in [1] |
| Display details | 2.06-inch 410 × 502 AMOLED touchscreen [1] |
| Input | Touchscreen [1] |
| Battery | 1100 mAh [1] |
| Dedicated solar input | No [1] |
| Antenna | External [1] Connector: IPEX [1] |
| IP rating | Unknown |
| Dimensions | 49 × 63.5 × 22 mm [1] |
| Weight | Unknown |

Firmware support
| Firmware | Support | Details |
|---|---|---|
| Meshtastic | Official [3] | Details
Confirm your exact device in the official flasher before choosing a build. Meshtastic web flasher |
| MeshCore | Supported [4] | Details
Confirm your exact device in the official flasher before choosing a build. MeshCore web flasher |
| UMSH | Unsupported [5] | — |
Where to buy
| Vendor / configuration | Price | Based in | Ships from |
|---|---|---|---|
| LILYGO | |||
| 868 / 915 / 920 MHz | $78.32 Observed 2026-10-19 | 🇨🇳 | 🇨🇳🇺🇸🇨🇦🇪🇺 |
Notes
Current K253 store options use a sub-GHz SX1262 radio.[2] LILYGO also documents an SX1280 radio configuration.[1]
Sources
- LILYGO T-Watch Ultra hardware documentation
- LILYGO T-Watch Ultra current variants
- Meshtastic device hardware catalog
- MeshCore complete official flasher catalog
- UMSH hardware support list
- Meshtastic firmware exact product target introduction
Last updated 2026-10-20