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2PCS Heltec V4 LoRa32 ESP32-S3 SX1262 868MHz Boards: Build a LoRaWAN Sensor Node or Gateway and What the 868MHz Band Means for Your Region
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USD 50.73
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About this product
This two-pack pairs the ESP32-S3 microcontroller with an SX1262 LoRa radio tuned to 868MHz, plus WiFi, Bluetooth LE and a 0.96-inch OLED on board - the standard recipe for a LoRaWAN node that can also act as a gateway tester. Two boards matter because long-range radio work is easier with a sender and a receiver on the bench: one shows the packet, the other shows what arrived. Before you flash anything, check your region's regulations - 868MHz suits the European ISM band, while other regions use 915MHz or 433MHz hardware. The board ships ready for your code, not running it, so basic soldering, antenna attachment and an Arduino or PlatformIO workflow are part of the deal.
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Pros & cons
Pros
- ESP32-S3 plus SX1262 radio plus OLED on one board - the usual LoRaWAN node recipe in a single PCB
- Two boards in the pack make sender-receiver testing and node-to-gateway checks straightforward
- WiFi and BLE alongside LoRa cover local control and long-range uplink in one device
- 0.96-inch OLED shows status without opening a serial console
Cons
- Tuned to 868MHz - wrong band for regions that license 915MHz or 433MHz, so check your local ISM rules first
- No code preloaded and no enclosure: expect soldering, antenna fitting and programming as part of the job
- LoRa range depends heavily on antenna, placement and line of sight, not on the board alone
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