Vision Master T190

Heltec Automation · Dev-board

Compare with other devices

Price: $19.00[8]

Specifications

SpecificationValue
Product statusActive [1]
LoRa chipSX1262 [2]
ProcessorESP32-S3 [2]
Radio power126 mW (21 dBm) [2]
Frequency bands433 MHz, 470–510 MHz, 863–870 MHz, 902–928 MHz [1]
GPSNot supported [5]
Display typeLCD [2]
Display size1.9 in [2]
Display details1.90-inch TFT, 170×320 [2]
InputButtons [12]
BatteryNo built-in battery [1]
Dedicated solar inputNo [2]
AntennaExternal [2]
Connector: IPEX 1.0 LoRa antenna interface [2]
IP ratingUnknown
Dimensions60 × 25.4 × 10.19 mm [2]
Weight35 g [1]
Vision Master T190 product photo
Image: Heltec Automation

Firmware support

FirmwareSupportDetails
MeshtasticOfficial [4]
Details
Build target(s)
heltec-vision-master-t190
Minimum version
2.4.0.46d7b82

Confirm your exact device in the official flasher before choosing a build.

Meshtastic web flasher
MeshCoreSupported [7]
Details
Build target(s)
Heltec_T190_companion_radio_ble_, Heltec_T190_companion_radio_usb_, Heltec_T190_repeater_, Heltec_T190_room_server_
Roles
  • Companion (Bluetooth): Heltec_T190_companion_radio_ble_
  • Companion (USB): Heltec_T190_companion_radio_usb_
  • Repeater: Heltec_T190_repeater_
  • Room server: Heltec_T190_room_server_
Minimum version
1.9.0

Confirm your exact device in the official flasher before choosing a build.

MeshCore web flasher
UMSHUnsupported [9]—

Where to buy

Vendor / configurationPriceBased inShips from
Heltec Automation
Meshtastic / NerdMiner · 433 / 470–510 / 863–870 / 902–928 MHz$20.00
Observed 2026-10-19
Unknown🇨🇳🇪🇺🇺🇸
OpenELAB
US site
868 MHz		$26.89
Observed 2026-10-19
Unknown🇪🇺🇺🇸🇨🇳

Notes

The SX1262/HT-RA62 LoRa module is a product option; the no-radio version is not mesh-capable. GNSS is available as a separate QWIIC/QuickLink add-on. The current T190 listing prices LoRa-enabled hardware at $19.00 without preloaded firmware; the Meshtastic-preloaded option is $20.00.

[1] [2] [5] [8]

Sources

  1. Heltec Vision Master T190 product and current variants
  2. Heltec Vision Master T190 datasheet
  3. Heltec Vision Master T190 pin map
  4. Meshtastic official hardware device directory
  5. Meshtastic Vision Master T190 device documentation
  6. MeshCore Heltec T190 board configuration
  7. MeshCore official flasher device catalog
  8. Heltec T190 863–870 MHz LoRa-enabled SKU, without preloaded firmware
  9. UMSH hardware support list
  10. Heltec Vision Master T190 hardware update log
  11. OpenELAB US store: HELTEC ESP32S3 1.9 inch SX1262 LoRa Meshtastic LoRaWAN 868Mhz (identified in description as HELTEC Vision Master T190 / HT-VMT190)
  12. Heltec Vision Master T190 Meshtastic button mapping

Last updated 2026-10-20