Meshnology W12 LoRa dev kit (LR2021)

An open-source LoRa development device built on the ESP32-S3 and Semtech LR2021, for people who want to build and modify MeshCore or Meshtastic firmware themselves.

~~$69.99~~

15%$59.49

Price with code · Meshnology · as of 2026-10-09

Code NEWMESH15 · 15% off

first order

Copy code & shop Meshnology

~~$69.99~~15%$59.49Copy code & shop Meshnology

1ESP32-S3R8 and LR2021

An ESP32-S3R8 and a Semtech LR2021, with Wi-Fi, BLE and USB-C.

2Open-source firmware

The source is open, so you can change the firmware and build apps. MeshCore has a board configuration; for Meshtastic you compile experimental firmware.

3Grow it into a gateway

Add a battery and solar panel for an outdoor node, or power it over USB-C and develop an indoor LoRa-to-Wi-Fi gateway.

Key specs

MCU: ESP32-S3R8
LoRa chip: Semtech LR2021
Connectivity: Wi-Fi, BLE, USB-C
Firmware: Open source (MeshCore, experimental Meshtastic)
Sets: 1 to 4 sets

Good pick if

You build your own firmware
You want to make your own LoRa gateway

Think twice if

You want to message straight out of the box (see the M1 or M9)

FAQ

Is there a promo code?

Yes. Enter NEWMESH15 at Meshnology checkout when buying the Meshnology W12 LoRa dev kit (LR2021) for 15% off. Conditions: first order.

Does it run Meshtastic out of the box?

The W12 is a development device. For Meshtastic you compile experimental firmware yourself; for MeshCore you build firmware from the published board configuration.

How many sets is the price for?

The $69.99 here is for 1 set. The store also offers 2, 3 and 4 sets.