Heltec HT1303
A mini-PCIe LoRaWAN concentrator module based on Semtech SX1303 + SX1250, enabling easy integration of LPWAN gateway capabilities into routers, Raspberry Pi, or other platforms with standard mini-PCIe slots.
$49.00
Tap any value to browse matching devices
Specifications
Components
Semtech SX1303 LoRa concentrator chip providing 49 virtual LoRa demodulators and 10 parallel demodulation paths for multi-channel LoRaWAN gateway operation.
Semtech SX1250 sub-GHz radio transceiver providing Tx/Rx front-end for LoRa and FSK modulation across 150-960 MHz frequency range.
Bus Interfaces
Overview
The Heltec HT1303 is a mini-PCIe-based LPWAN concentrator module built around the Semtech SX1303 digital baseband chip and SX1250 Tx/Rx front-end. It enables easy conversion of computers, Raspberry Pi, or routers into LoRaWAN gateways by simply plugging into a standard mini-PCIe slot.
Key Features
- SX1303 + SX1250 chipset — emulates 49 LoRa demodulators and 1 (G)FSK demodulator
- 10 programmable parallel demodulation paths for high-capacity gateway operation
- Multi-band support — 470–510 MHz, 863–870 MHz, 902–928 MHz
- Dual interface — SPI or USB connectivity to the host
- Industrial mini-PCIe form factor (52-pin golden finger connector)
- Wide operating temperature — -40°C to 85°C
- Dynamic data-rate adaptation (ADR) with automatic adaptive spread spectrum (SF7–SF12)
- Listen Before Talk (LBT) optional support
- Windows and Linux USB drivers provided
Proven Track Record
The HT1303 module is used in several proven Heltec commercial gateway products including the HT-M01S, HT-M02, HT-M7603, and HT-M2802.
RF Performance
| Parameter | Value |
|---|---|
| Sensitivity (SF7, 125 kHz) | -125 dBm |
| Sensitivity (SF12, 125 kHz) | -139 dBm |
| Max TX Power | 27 ± 2 dBm |
| Antenna Connector | IPEX 1.0 (U.FL) |
Power Consumption
| Mode | SPI | USB |
|---|---|---|
| Standby | 7.8 mA | 19 mA |
| TX (max power) | 407 mA | 420 mA |
| RX | 40 mA | 51 mA |
Where to Buy
Explore more of the directory — popular use cases, firmware, and specs to browse next.
