Overview
Reference Design
The One-Channel Hub reference design provides LoRaWAN network connectivity utilizing the lowest cost solution available by incorporating Semtech's LoRa sub-GHz transceiver with a low cost Espressif MCU, and adds an LCD display for simple user operation. Currently compatible with SX1261, SX1262, SX1268, LR1121 and LLCC68.
Order Codes
- LRWHUB1EVK1A for SX1261, SX1262, SX1268, LR1121 & LLCC68 Gateway Development Kit
- See table below for LoRa Shield ordering codes
| Transceiver IC | Region | Ordering Code | Order Now |
|---|---|---|---|
| SX1261 | EU868 | SX1261MB1LBAS | Buy Now |
| SX1262 | US915 | SX1262MB1LCAS | Buy Now |
| SX1268 | CN490 | SX1268MB1LGAS | Buy Now |
| LLCC68 | EU868 | LLCC68MB2BAS | Buy Now |
| LR1121 | EU868 | LR1121MB1DIS (Available in LR1121DVK1TBKS) | Buy Now |
| LR1121 | US915 | LR1121MB1DIS (Available in LR1121DVK1TCKS) | Buy Now |
| LR1121 | CN490 | LR1121MB1GIS (Available in LR1121DVK1TGKS) | Buy Now |
Features
The reference design consists of :
- One channel
- Class A/C LoRaWAN Compatible
- Half duplex mode
- Transmit power up to +22dBm
- Receive sensitivity down to:
- EU868/CN470
- -137 dBm at SF12, 125kHz bandwidth (SX126x, LLCC6x)
- -141 dBm at SF12, 125kHz bandwidth (LR11xx)
- -124 dBm at SF7, 125kHz bandwidth (SX126x, LLCC6x)
- -127 dBm at SF7, 125kHz bandwidth (LR11xx)
- US915
- -120 dBm at SF8, 500kHz bandwidth (SX126x, LLCC6x)
- -124 dBm at SF8, 500kHz bandwidth (LR11xx)
- EU868/CN470
Packaging
- The LRWHUB1EVK1A contains an ESP32-S3 shield adapter board and an OLED display adapter board
- LoRa Shields ordered separately
- Some assembly required
| Documents | Release Date | Type |  |
|---|---|---|---|
| AN1200.94: LoRaWAN Theory for One-Channel Hub | 2024-09-20 | | |
| AN1200.96: One-Channel Hub Hardware and Regulatory Aspects | 2024-09-25 | | |
| LRWHUB1EVK1A Interface Kit for the One Channel Hub | 2024-09-27 | 7Z | |
| SX1261MB1BAS 868 MHz RF Module - Design Files | 2024-09-27 | ZIP | |
| SX1262MB1CAS 915 MHz RF Module - Design Files | 2024-09-27 | ZIP | |
| SX1268MB1GAS 490 MHz RF Module - Design Files | 2024-09-27 | ZIP | |
| One-Channel Hub EVK User Guide | 2024-09-24 | | |
| Documents | Release Date | Type | |
|---|---|---|---|
| One-Channel Hub HAL and Packet Forwarder for ESP32 | 2024-09-26 | TXT | |
Click diagram to enlarge
Inventory
| Product | Country | Distributor | Qty | Buy |
|---|
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