Heltec RadioCore RC52 (nRF52840 + SX1262), 902-928 MHz — Full Accessory Kit
Heltec RadioCore RC52 (nRF52840 + SX1262), 902-928 MHz — Full Accessory Kit
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Description ▼
Note: This is the Heltec RadioCore RC52 with SX1262 LoRa, 902–928 MHz, 21±1 dBm TX power, and the Full Accessory Kit package. Nordic nRF52840 BLE core with long-range LoRa for Meshtastic, MeshCore, and similar projects.
A compact RadioCore barebone node based on the nRF52840 (Bluetooth 5.0 LE), this listing includes the SX1262 LoRa module at 902–928 MHz and the Full Accessory Kit (RD02G adapter board, IPEX-to-SMA cable, and related accessories).
KEY FEATURES
- nRF52840 MCU with integrated ultra-low-power Bluetooth 5.0 LE.
- SX1262 LoRa — this variant: 902–928 MHz, TX power 21±1 dBm.
- Compatible with open-source stacks such as Meshtastic, MeshCore, and Reticulum; HelTec nRF52 Framework / PlatformIO.
- Compact form factor: 40.10 × 23.82 × 12.54 mm; USB-C, BTB, dual 10-pin headers, LoRa IPEX 4.0.
- Full Accessory Kit: includes RD02G adapter board (1.25-2P battery connector, 1.25-8P GNSS connector, 2× B2B sensor interfaces) and IPEX 4.0–SMA adapter cable.
- 1 MB Flash + 256 KB SRAM; low sleep current (~7 μA).
SPECIFICATIONS
| Category | Details |
| Product Name | RadioCore RC52 — SX1262, 902–928 MHz, 21±1 dBm, Full Accessory Kit |
| MCU | nRF52840 (BLE) |
| LoRa Chip | SX1262 |
| Frequency (this listing) | 902–928 MHz |
| TX Power (this listing) | 21±1 dBm |
| Bluetooth | Bluetooth 5.0 LE |
| Interface | USB-C; BTB; 2 × 10 pin headers; IPEX 4.0 (LoRa) |
| Hardware Resources | USB 2.0; 4 × SPI; 2 × TWI; 2 × UART; 4 × PWM; QSPI; I2S; PDM; QDEC |
| Memory | 1 MB Flash; 256 KB SRAM |
| Power Supply | USB-C 5 V; 3.3 V pin header; 3.3–4.2 V VBAT |
| Consumption | Sleep ~7 μA; Transmission ~164 mA @ 22 dBm |
| Operating Temperature | −30 ~ 80 ℃ |
| Dimensions | 40.10 × 23.82 × 12.54 mm |
| Module Weight | 8.5 g (RadioCore module) |
| Package (this listing) | Full Accessory Kit |
WHAT'S INCLUDED
- 1 × RadioCore RC52 (SX1262, 902–928 MHz, 21±1 dBm)
- 1 × LoRa antenna
- 1 × SH1.25×2 battery connector
- 2 × Pin headers
- 2 × Pin stickers
- 1 × IPEX 4.0–SMA adapter cable (Kit Version)
- 1 × RD02G adapter board (Kit Version)
Not included: lithium battery. The RD02G board adds a 1.25-2P battery connector, a 1.25-8P GNSS connector, and 2× B2B sensor interfaces (it does not add RF functions beyond the main unit).
NOTES
- This listing is specifically 902–928 MHz / 21±1 dBm / Full Accessory Kit. Basic Unit and other bands or power options are separate listings.
- Battery power: use the VBAT pin on the headers, or the RD02G baseboard’s 1.25-2P lithium connector included in this kit.
- Docs: product page.
VIDEOS
Official Heltec overview of the RadioCore series.
RadioCore adapter boards and expansion options.
What's inside the RadioCore Basic Kit (packing overview).
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SKU:U0835
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