Description
HT1303 LoRaWAN Concentrator Module
- Brand Name: MLHJ
- Certification: CE
- Model Number: HT1303
- Place of Origin: Sichuan, China
- Brand Name: Heltec
- Chipset: 1303
- Supplier Type: manufacturer
- Application: IOT
- Maximum output: 27 ± 2dBm
- The power supply voltage: 3.3V
- SX1303 version: -30 ~ 80 °C
The HT1303 LoRaWAN concentrator is a mini-PCIe-based LPWAN concentrator module based on the Semtech SX1303, which enables easy integration into existing routers or other network equipment equipped with LPWAN Gateway capabilities.
It is compatible with any embedded platform that supports a free mini-PCIe slot with SPI/USB connectivity.
Cooperate with suitable driver hardware and Linux operating system (such as Raspberry Pi), then it can work as a LoRa gateway.

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LoRa Gateway Module is a part of the “Heltec LoRa“ series, with the following features:
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SX1303 digital baseband chip
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Emulates 49x LoRa demodulators and 1x (G)FSK demodulator
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10 programmable parallel demodulation paths
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Dynamic data-rate adaptation (ADR)
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Automatic adaptive spread spectrum factor, SF7 to SF12 for each channel is optional
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Maximum output: 27 ± 2dBm
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Up to -141dBm sensitivity with SX1250 Tx/Rx front-end
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The power supply voltage:3.3V
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Support for LoRaWAN Class A, Class C protocols
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Operating temperature range
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SX1303 version: -30 ~ 80 °C
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Frequency range:
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Europe – 868MHz ISM band (863MHz to 870MHz range)
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Europe – 433MHz ISM band
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USA/Australia – 915MHz ISM band (902MHz to 928MHz range)
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China – 470MHz ISM band (470MHz to 510MHz range)
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Pin Definition

Electrical characteristics

Company Overview
Chengdu Heltec Automation Technology Co., Ltd. ( English abbreviation Heltec Automation). At present, The company’s research and development and production include OLED dot matrix screen, electronic ink screen, IoT series products, LoRa supporting solutions and high-precision temperature controllers with automatic control algorithms as the core.
At present, there is a strong technical research and development team, a scientific production and manufacturing platform and a strict quality management system.






