LoRa126X Series LoRa Modules: Designed Specifically for the Internet of Things

时间： 2024-06-30 来源：G-NiceRF Official Website

技术问答

The LoRa1262 is a series of LoRa front-end modules developed by NiceRF Wireless for IoT applications, utilizing Semtech's SX1262 and SX1268 chips. This series features a compact size, low power consumption, and high sensitivity. It is produced and tested in strict compliance with lead-free processes, meeting RoHS and REACH environmental standards. Additionally, the LoRa1262 series has obtained international certifications, including CE and FCC.

LoRa126X Series Models

The LoRa126X series LoRa Modules include four products, covering operating frequencies of 433/490/868/915MHz. Among them, the LoRa1268 can be customized for frequencies ranging from 410-810MHz, and the LoRa1262 can be customized for frequencies ranging from 150-960MHz. Notably, the LoRa1262-868 is CE certified, and the LoRa1262-915 is FCC certified.

Uses LoRa spread spectrum chips

The LoRa126X modules use Semtech's SX1262 and SX1268 chips, which employ LoRa spread spectrum and frequency hopping modulation technology. Their communication range and reception sensitivity far exceed those of existing FSK and GFSK modulation technologies. Multiple transmission signals can share the same channel without interference, providing excellent anti-interference capabilities.

High performance in a compact size

The LoRa126X series module is a high-performance LoRa long-range transmission module featuring a compact size, ultra-low receiving current, and sleep current. It has a built-in 64KHz crystal oscillator that can wake up the microcontroller in low-power mode. The module's antenna switch can be controlled by the module's internal chip, saving external MCU resources. The LoRa126X module, with its compact size and 160mW output power, achieves a receiving sensitivity of -148dBm under LoRa modulation, providing a significant advantage for battery-powered applications.

Low Power Consumption Design

The LoRa126X has two power management modes for receiving current: LDO and DC-DC. In DC-DC mode, the minimum receiving current is 4.2mA for FSK modulation with 4.8 kb/s data transmission. For LoRa modulation with a 125 kHz signal bandwidth at 1.8V, the receiving current is 8.2mA. There are minor variations in the receiving current for both LoRa and FSK modulation under the Boosted setting.

Similarly, in LDO mode, the receiving current is minimized for FSK modulation. With Boosted improvements, the receiving current for LoRa modulation with a 125 kHz signal bandwidth is 10.1mA.

Can be used as a gateway node

The SX126X series modules can serve as LoRaWAN gateway nodes, capable of building LoRaWAN systems with NiceRF's LoRaWAN1302 and LoRaWAN1303 gateway modules. LoRa gateways collect messages transmitted by LoRa nodes and forward these messages to LoRaWAN servers, enabling communication from devices to the cloud.

Features:

Frequency Range：433/490/868/915MHz （customizable150-960MHz）

Sensitivity：-148dBm @Lora

Maximum output power：22dBm（160mW）

Industrial grade high precision crystal oscillator

Lora,(G)FSK

256 bytes FiFo

Data transfer rate：

0.6-300Kbps@FSK

0.018-62.5Kbps@Lora

Application scenarios

This series of modules, with its low power consumption, combined with 100mW transmission power and compact size, is suitable for IoT applications such as remote meter reading, remote control, remote telemetry, and more

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