Best for
Tree-top solar repeaters, neighborhood mesh coverage, and budget-conscious emergency radio kits.
Heltec Automation
Heltec T114 Node
Ultra-low-power (<15µA sleep) nRF52840 LoRa mesh radio with 1.14" color TFT screen and modular injection-molded shell.
From $39.90
USD is authoritative · crypto amount locks at invoice creation
Verified selection · 12-month warranty
25 available
Why we selected it
Factory calibrated with official Heltec hardware ID and bootloader.
Privacy considerations
End-to-end encrypted packet transmission across unlicenced RF bands.
Shipping & warranty
Includes shell, tuned antenna, JST battery pigtail, and USB-C cable.
Specifications
MCUNordic nRF52840 (64MHz 32-bit ARM Cortex-M4 with FPU)
Weight65g with antenna and battery
Display1.14-inch 135 x 240 pixel ST7789V IPS full-color TFT display
FirmwareCompatible with Meshtastic, TinyGS, and open LoRaWAN stacks
EnclosureSnap-fit injection-molded ABS shell with transparent screen window
LoRa ChipsetSemtech SX1262 (high sensitivity -148dBm, max +22dBm output)
Power ManagementIntegrated TP4056 lithium battery charger with battery voltage monitoring pin
Frequency Support863-928 MHz broad coverage (configured for US915 / EU868)
Deep Sleep CurrentUltra-low quiescent draw (<15 µA in deep sleep mode)
Supporting documents
No additional documents are required for this product.
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