Description
Characteristics
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Description
Summary
The RadioCore series is a quasi-system-level development platform that enables flexible integration of various MCUs and RF modules within an ultra-compact form factor, making it well suited for a wide range of IoT applications.
The RC32, a model in this series, is equipped with the Espressif ESP32-S3R8 and supports 2.4 GHz Wi-Fi, Bluetooth 5.0, and BLE connectivity. It also allows flexible integration of additional RF modules—such as LoRa, Wi-Fi HaLow, and others—based on specific application requirements.
The RC32 features a custom pin layout that supports solder-free plugandplay operation, simplifying prototype assembly and module replacement, thereby accelerating development and iteration cycles.
It supports the official Arduino framework and is fully compatible with mainstream toolchains including Arduino, PlatformIO, and ESP-IDF, enabling developers to work in familiar environments and speed up project delivery.
Main Features
- Equipped with the ESP32-S3R8 (with 8MB PSRAM onboard), integrating 2.4 GHz Wi‑Fi and BLE.
- Expandable modular RF interface, with optional LoRa and Wi-Fi HaLow RF modules, reserving room for future communication scheme expansion
- Provides Arduino development framework; compatible with mainstream toolchains including ESP‑IDF, PlatformIO, and MicroPython etc.
- Compatible with various open‑source projects, such as Meshtastic, MeshCore, Home Assistant, etc.
- Compact form factor with solder-free pins for easy integration.
Description
Generic Specifications
| Parameters | Description |
|---|---|
| MCU | ESP32-S3R8 (Wi-Fi/BLE) |
| Compatible RF | SX1262 (LoRa), MM6108Q (WiFi HaLow) |
| Interface | USB-C; BTB; 2 x 10 Pin Headers, IPEX 4.0(LoRa), IPEX 1.0(WiFi HaLow) |
| Wi-Fi | IEEE 802.11 b/g/n(2.4GHz,WiFi4) |
| Hardware Resource | 3 × UART, 2 × I2C, 2 × I2S, 2 × General SPI; 2 × SPI dedicated for Flash/PSRAM, TWAI® (CAN 2.0, ISO11898-1 compatible), LCD interface + DVP camera interface (8~16 bit), SD/MMC host (2 slots), USB Serial/JTAG controller |
| Interface | Type-C USB, B2B, 2 x 10 x 2.54 Header Pin |
| Power Supply | USB-C 5V, 3.3V Pin Header, 3.3-4.2V Vbat |
| Operating Temperature | -30 ~ 80 ℃ |
| Dimensions | 40.10 x 23.82 x 12.54 mm |
| Weight | 8.5g |
Pin Map
Dimensions
Highlight
Compact Size for Easy Integration
- Compact dimension: 40.10 × 23.82 × 12.54 mm.
- B2B interface facilitates easy integration.
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FAQ
If you select RC32, it does not include long-range communication modules such as LoRa or Wi‑Fi HaLow.
RC32‑62 is equipped with the SX1262 LoRa module.
RC32‑68 comes with the MM6108Q Wi‑Fi HaLow module.
The RF module requires SMT mounting. Replacement is feasible if you have the SMT capability and solder the pins correctly.
The main unit of the device does not come with a dedicated lithium battery interface. However, lithium battery power supply can be achieved in the following two ways:
- There is a dedicated battery pin, VBAT, on the pin header.
- We offer a matching baseboard for battery adaptation, which integrates a 1.25-2P lithium battery connector.
Please refer to the datasheet of the corresponding sub-model for wireless module pin definitions.
RC32 Datasheet
Please refer to the datasheet of the corresponding sub-model
RC32 Datasheet
Docs & Resource
- [Attachments] —Datasheet
- [Attachments] —Schematic_Diagram
- [Documents] –User Manual Document
- [Resource] — Heltec LoRaWAN test server based on SnapEmu
- [Attachments] —Firmware
SDK
- Development Environment (Core Libraries & Board Manager): Heltec ESP32 series boards
- LoRa Library:Heltec ESP32 expansion library
- WiFi HaLow Framework and Library: Heltec ESP32 WiFi HaLow development framework
- RadioCore Expansion Peripherals Library: RadioCore series hardware
Packing list
The default packing list without selecting any accessories is as follows:
| Item | Quantity |
|---|---|
| RadioCore | x1 |
| LoRa Antenna | x1 |
| SH1.25×2 Battery Connector | x1 |
| Pin Header | x2 |
| Pin Sticker | x2 |
| IP2X4.0-SMA Adapter Cable | x1(Kit Version) |
| RD02G Adapter Board | x1 (Kit Version) |
Characteristics
| Weight | 55 g |
|---|---|
| Dimensions | 7.5 × 7.5 × 2.6 cm |
| Wireless Module | NO, LoRa SX1262, Wi-Fi HaLow MM6108Q |
| LoRa Band | 433MHz, 863~870MHz, 902~928MHz, N/A |
| TX Power | 21±1 dBm, 28±1 dBm, 16dBm, N/A |
| Package | Basic Unit, Full Accessory Kit |
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RC32, RadioCore ESP32-S3 LoRa Wi-Fi HaLow, Meshtastic, MeshCore, LoRaWAN
What's this?
The RC32, a model in RadioCore series, is equipped with the ESP32-S3R8 and supports 2.4 GHz Wi-Fi and BLE connectivity. It also allows flexible integration of additional RF modules—such as LoRa, Wi-Fi HaLow, and others.
$9.90 – $27.90Price range: $9.90 through $27.90

















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