Vision Master E290
Heltec Automation · Dev-board
Price: $21.90[4]
Specifications
| Specification | Value |
|---|---|
| Product status | Active [1] |
| LoRa chip | SX1262 [2] |
| Processor | ESP32-S3 [2] |
| Radio power | 126 mW (21 dBm) [2] |
| Frequency bands | 433.175–434.665 MHz, 470–510 MHz, 863–870 MHz, 902–928 MHz [1] |
| GPS | Not supported [6] |
| Display type | E-paper [2] |
| Display size | 2.9 in [2] |
| Display details | 2.90-inch black-and-white E-Ink, 296×128 [2] |
| Input | Buttons [1] |
| Battery | No built-in battery [1] |
| Dedicated solar input | No [3] |
| Antenna | External [2] Connector: IPEX 1.0 LoRa antenna interface [2] |
| IP rating | Unknown |
| Dimensions | 87.96 × 36.63 × 12 mm [1] |
| Weight | 35 g [1] |

Firmware support
| Firmware | Support | Details |
|---|---|---|
| Meshtastic | Official [5] | Details
Confirm your exact device in the official flasher before choosing a build. Meshtastic web flasher |
| MeshCore | Supported [9] | Details
Confirm your exact device in the official flasher before choosing a build. MeshCore web flasher |
| UMSH | Unsupported [10] | — |
Where to buy
| Vendor / configuration | Price | Based in | Ships from |
|---|---|---|---|
| Heltec Automation | |||
| Meshtastic · 433 / 470–510 / 863–870 / 902–928 MHz | $21.90 Observed 2026-10-19 | Unknown | 🇨🇳🇪🇺🇺🇸 |
| OpenELAB | |||
Global site 868 MHz | €27.25 Observed 2026-10-19 | Unknown | 🇪🇺🇺🇸🇨🇳 |
Global site 433 MHz | €27.25 Observed 2026-10-19 | Unknown | 🇪🇺🇺🇸🇨🇳 |
US site 915 MHz | $33.39 Observed 2026-10-19 | Unknown | 🇪🇺🇺🇸🇨🇳 |
| Rokland | |||
| View listing | $29.97 Observed 2026-10-19 | 🇺🇸 | 🇺🇸 |
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Notes
LoRa is provided by the optional HT-RA62/SX1262 module; the manufacturer rates its 902–928 MHz device configuration at 21 ±1 dBm.
Sources
- Heltec Vision Master E290 product and current variants
- Heltec Vision Master E290 datasheet Rev. 0.3.1
- Heltec Vision Master E290 schematic Rev. 0.3.1
- Heltec E290 902–928 MHz Meshtastic SKU current price and stock
- Meshtastic official hardware device directory
- Meshtastic Vision Master E290 device documentation
- Meshtastic Vision Master E290 firmware target
- MeshCore Heltec E290 board configuration
- MeshCore official flasher device catalog
- UMSH hardware support list
- Heltec Vision Master E290 hardware update log
- Rokland Heltec Vision Master E290 LoRa BLE WiFi + 2.9 inch E-Ink screen listing
- OpenELAB global store: HELTEC ESP32S3 SX1262 E-Paper LoRa Meshtastic LoRaWAN 2.9 inch 868Mhz (page identifies Vision Master E290 / HT-VME290)
- OpenELAB US store: HELTEC ESP32S3 SX1262 E-Paper LoRa Meshtastic LoRaWAN 2.9 inch 915Mhz (page identifies Vision Master E290 / HT-VME290)
Last updated 2026-10-20