Heltec WiFi LoRa 32 V4

MeshtasticMeshCore
Best for: beginner, budget, base station
Specs
| Type | Dev board |
|---|---|
| Maker | Heltec |
| Chip | ESP32-S3 + SX1262 |
| Bands (MHz) | 433, 470, 868, 915 |
| GPS | Optional (L76K add-on port) |
| Screen | 0.96" OLED (protected) or none |
| Power | External 3.7 V LiPo connector + 4.7-6 V solar input |
| Typical price | $18–$28 (maker's store, Oct 2026) |
Pros and cons
Pros
- Same size as V3 with built-in solar input and GNSS port
- High-power 28 dBm option
- Cheap
Cons
- ESP32 power draw still high for small solar setups
- Some V3 cases/accessories do not fit (GPIO changes)
- High-power version: stay within FCC limits with your antenna
Where to buy
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We don't show live prices. Prices change often; check the store before you buy and make sure you pick the 915 MHz version for the US.
Sources
Checked on October 18, 2026.