Radio equipment needs certification where you live (FCC, CE, UKCA, ISED, Anatel). Some devices are uncertified or restricted in Brazil. Buyers are responsible for their local law.
Bring along
Correct regional antenna, power source and Meshtastic client.
Keep in mind
The display, GPS, battery and enclosure are package-dependent.
All three files verified live (200) on resource.heltec.cn. Wiki (hardware_update_log) notes a Rev. 2.0 six-layer redesign; the linked schematic/datasheet are the current-revision files Heltec serves at that URL, no separate older-revision PDF was found.
Every link checked 2026-09-27.
Hand this device to your agent. Everything on this page, as clean Markdown and JSON: specs, shops, prices, design files, parts.
1.14-inch TFT, 135 × 240 pixels, up to 262k colors
GNSS option
L76K accessory; eight-pin 1.25 mm connection
Connections
USB-C, LoRa IPEX and two 13-pin 2.54 mm headers
Battery input
3–4.2 V lithium; two-pin SH1.25 socket
USB and solar
5 V USB; solar range 5–6.5 V, maker recommends about 5 V
Solar socket
Two-pin SH1.25
Maker current examples
11 µA deep sleep; 22 µA tracker sleep; 9/20/51 mA for GPS/display off, display on, both on
Board size
50.8 × 22.86 mm
Environment
Operating −20 to 70 °C; up to 90% RH non-condensing
Case battery space
Maker maximum: 42 × 28 × 11 mm
Base package
Board, LoRa antenna, two battery connectors and two 13-pin headers
Bundle-dependent parts
Display, L76K GNSS, case and antenna adapter vary by selection
Revision and firmware setup
7
V2 radio revision
Six-layer redesign addresses long-packet transmission issues on early high-frequency boards
V2.1 power revision
Revises battery reverse-polarity protection and ADC standby circuitry
Upstream Meshtastic target
heltec-mesh-node-t114 at the pinned commit
Enter bootloader
Connect USB-C and double-press RST; the HT-n5262 drive appears
Firmware upload
Copy the matching UF2 to HT-n5262; the board restarts automatically
Development
Heltec nRF52 framework/libraries support Arduino and LoRa/LoRaWAN development
Other software listings
Maker also advertises PlatformIO and MeshCore
No matching specification. Try a chip name, connector or feature.
What still needs checking
The store title says Rev.2.0 while its documentation includes V2.1. Check the actual PCB revision; this review does not identify the revision of current shipments.
Early-board long-packet trouble is revision/band-specific. The hardware log is more precise than treating every T114 as affected.
A GNSS socket does not establish that the receiver is included. Screen, GNSS, battery and case contents depend on the selected bundle.
Current figures use different modes and accessories; no assembled-node runtime or physical testing was performed.
Case and optional display/GNSS change the assembled dimensions; PCB size is not a complete enclosed-device size.
Selected battery/solar cable polarity and exact GNSS/firmware combination must match the maker’s revision-specific drawings. Separate MeshCore firmware targets were not verified.
